 
                 Pipersville, PA, US
 Pipersville, PA, US
                     Gelest, Inc.
                                    Gelest, Inc.
                                 Barry C. Arkles
                                    Barry C. Arkles
                                 C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
                                    C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
                                 Gelest, Inc.
                                    Gelest, Inc.
                                 Barry C. Arkles
                                    Barry C. Arkles
                                 A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
                                    A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
                                 Gelest, Inc.
                                    Gelest, Inc.
                                 Alain E. Kaloyeros
                                    Alain E. Kaloyeros
                                 C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
                                    C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
                                 Gelest, Inc.
                                    Gelest, Inc.
                                 Barry C. Arkles
                                    Barry C. Arkles
                                 C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
                                    C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
                                 Gelest, Inc.
                                    Gelest, Inc.
                                 Barry C. Arkles
                                    Barry C. Arkles
                                 C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
                                    C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
                                 Gelest, Inc.
                                    Gelest, Inc.
                                 Barry C. Arkles
                                    Barry C. Arkles
                                 C01 - INORGANIC CHEMISTRY
                                    C01 - INORGANIC CHEMISTRY
                                 Gelest, Inc.
                                    Gelest, Inc.
                                 Barry C. Arkles
                                    Barry C. Arkles
                                 A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
                                    A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
                                 Gelest, Inc.
                                    Gelest, Inc.
                                 Barry C. Arkles
                                    Barry C. Arkles
                                 C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
                                    C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
                                 Gelest, Inc.
                                    Gelest, Inc.
                                 Barry C. Arkles
                                    Barry C. Arkles
                                 C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
                                    C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
                                 Barry C. Arkles
                                    Barry C. Arkles
                                 C07 - ORGANIC CHEMISTRY
                                    C07 - ORGANIC CHEMISTRY
                                 Gelest, Inc.
                                    Gelest, Inc.
                                 Barry C. Arkles
                                    Barry C. Arkles
                                 C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
                                    C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
                                 Gelest, Inc.
                                    Gelest, Inc.
                                 Barry C. Arkles
                                    Barry C. Arkles
                                 C01 - INORGANIC CHEMISTRY
                                    C01 - INORGANIC CHEMISTRY
                                 Gelest, Inc.
                                    Gelest, Inc.
                                 Barry C. Arkles
                                    Barry C. Arkles
                                 A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
                                    A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
                                 Gelest, Inc.
                                    Gelest, Inc.
                                 Barry C. Arkles
                                    Barry C. Arkles
                                 C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
                                    C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
                                 Gelest, Inc.
                                    Gelest, Inc.
                                 Barry C. Arkles
                                    Barry C. Arkles
                                 C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
                                    C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
                                 GELEST TECHNOLOGIES, INC.
                                    GELEST TECHNOLOGIES, INC.
                                 Barry C. Arkles
                                    Barry C. Arkles
                                 H01 - BASIC ELECTRIC ELEMENTS
                                    H01 - BASIC ELECTRIC ELEMENTS
                                 Gelest Technologies, Inc.
                                    Gelest Technologies, Inc.
                                 Barry C. Arkles
                                    Barry C. Arkles
                                 C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
                                    C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
                                 Gelest Technologies, Inc.
                                    Gelest Technologies, Inc.
                                 Barry C. Arkles
                                    Barry C. Arkles
                                 C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
                                    C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
                                 Gelest Technologies, Inc.
                                    Gelest Technologies, Inc.
                                 Barry C. Arkles
                                    Barry C. Arkles
                                 A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
                                    A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
                                 Gelest Technologies, Inc.
                                    Gelest Technologies, Inc.
                                 Jonathan D. Goff
                                    Jonathan D. Goff
                                 C07 - ORGANIC CHEMISTRY
                                    C07 - ORGANIC CHEMISTRY
                                 Gelest Technologies, Inc.
                                    Gelest Technologies, Inc.
                                 Jonathan D. Goff
                                    Jonathan D. Goff
                                 C07 - ORGANIC CHEMISTRY
                                    C07 - ORGANIC CHEMISTRY
                                 Gelest Technologies, Inc.
                                    Gelest Technologies, Inc.
                                 Barry C. Arkles
                                    Barry C. Arkles
                                 C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
                                    C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
                                 Gelest Technologies, Inc.
                                    Gelest Technologies, Inc.
                                 Barry C. Arkles
                                    Barry C. Arkles
                                 A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
                                    A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
                                 Gelest Technologies, Inc.
                                    Gelest Technologies, Inc.
                                 Barry C. Arkles
                                    Barry C. Arkles
                                 C01 - INORGANIC CHEMISTRY
                                    C01 - INORGANIC CHEMISTRY
                                 Gelest Technologies, Inc.
                                    Gelest Technologies, Inc.
                                 Barry C. Arkles
                                    Barry C. Arkles
                                 C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
                                    C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
                                 Gelest Technologies, Inc.
                                    Gelest Technologies, Inc.
                                 Barry C. Arkles
                                    Barry C. Arkles
                                 C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
                                    C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
                                 Gelest Technologies, Inc.
                                    Gelest Technologies, Inc.
                                 Barry C. Arkles
                                    Barry C. Arkles
                                 A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
                                    A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
                                 Gelest Technologies, Inc.
                                    Gelest Technologies, Inc.
                                 Barry C. Arkles
                                    Barry C. Arkles
                                 C01 - INORGANIC CHEMISTRY
                                    C01 - INORGANIC CHEMISTRY
                                 Gelest Technologies, Inc.
                                    Gelest Technologies, Inc.
                                 Barry C. Arkles
                                    Barry C. Arkles
                                 C07 - ORGANIC CHEMISTRY
                                    C07 - ORGANIC CHEMISTRY
                                 Gelest Technologies, Inc.
                                    Gelest Technologies, Inc.
                                 Barry C. Arkles
                                    Barry C. Arkles
                                 C01 - INORGANIC CHEMISTRY
                                    C01 - INORGANIC CHEMISTRY
                                 KALARK NANOSTRUCTRE SCIENCES INC.
                                    KALARK NANOSTRUCTRE SCIENCES INC.
                                 Alain E. KALOYEROS
                                    Alain E. KALOYEROS
                                 C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
                                    C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
                                 Gelest, Inc.
                                    Gelest, Inc.
                                 Barry C. ARKLES
                                    Barry C. ARKLES
                                 C07 - ORGANIC CHEMISTRY
                                    C07 - ORGANIC CHEMISTRY
                                 Gelest, Inc.
                                    Gelest, Inc.
                                 Barry C. ARKLES
                                    Barry C. ARKLES
                                 C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
                                    C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
                                 Gelest, Inc.
                                    Gelest, Inc.
                                 Barry C. ARKLES
                                    Barry C. ARKLES
                                 A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
                                    A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
                                 Gelest, Inc.
                                    Gelest, Inc.
                                 Barry C. ARKLES
                                    Barry C. ARKLES
                                 C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
                                    C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
                                 Gelest, Inc.
                                    Gelest, Inc.
                                 Barry C. ARKLES
                                    Barry C. ARKLES
                                 C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
                                    C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
                                 Gelest, Inc.
                                    Gelest, Inc.
                                 Barry C. ARKLES
                                    Barry C. ARKLES
                                 H01 - BASIC ELECTRIC ELEMENTS
                                    H01 - BASIC ELECTRIC ELEMENTS
                                 Gelest, Inc.
                                    Gelest, Inc.
                                 Barry C. ARKLES
                                    Barry C. ARKLES
                                 C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
                                    C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
                                 Barry C. ARKLES
                                    Barry C. ARKLES
                                 C07 - ORGANIC CHEMISTRY
                                    C07 - ORGANIC CHEMISTRY
                                 Gelest, Inc.
                                    Gelest, Inc.
                                 Youlin  PAN
                                    Youlin  PAN
                                 C07 - ORGANIC CHEMISTRY
                                    C07 - ORGANIC CHEMISTRY
                                 Gelest, Inc.
                                    Gelest, Inc.
                                 Tatyana  ABEL-ROBERMAN
                                    Tatyana  ABEL-ROBERMAN
                                 A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
                                    A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
                                 Gelest, Inc.
                                    Gelest, Inc.
                                 Barry C. ARKLES
                                    Barry C. ARKLES
                                 C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
                                    C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
                                 Gelest, Inc.
                                    Gelest, Inc.
                                 Barry C. ARKLES
                                    Barry C. ARKLES
                                 C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
                                    C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
                                 Gelest, Inc.
                                    Gelest, Inc.
                                 Barry C. ARKLES
                                    Barry C. ARKLES
                                 C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
                                    C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
                                 Gelest, Inc.
                                    Gelest, Inc.
                                 Barry C. ARKLES
                                    Barry C. ARKLES
                                 C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
                                    C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
                                 Gelest, Inc.
                                    Gelest, Inc.
                                 Barry C. ARKLES
                                    Barry C. ARKLES
                                 A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
                                    A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
                                 Gelest, Inc.
                                    Gelest, Inc.
                                 Barry C. ARKLES
                                    Barry C. ARKLES
                                 A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
                                    A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
                                 Gelest, Inc.
                                    Gelest, Inc.
                                 Barry C. ARKLES
                                    Barry C. ARKLES
                                 C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
                                    C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
                                 Gelest, Inc.
                                    Gelest, Inc.
                                 Barry C. ARKLES
                                    Barry C. ARKLES
                                 C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
                                    C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
                                 Barry C. ARKLES
                                    Barry C. ARKLES
                                 C07 - ORGANIC CHEMISTRY
                                    C07 - ORGANIC CHEMISTRY
                                 Gelest, Inc.
                                    Gelest, Inc.
                                 Alain E. Kaloyeros
                                    Alain E. Kaloyeros
                                 C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
                                    C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
                                 Gelest, Inc.
                                    Gelest, Inc.
                                 Barry C. ARKLES
                                    Barry C. ARKLES
                                 C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
                                    C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
                                 Gelest Technologies, Inc.
                                    Gelest Technologies, Inc.
                                 Barry C. ARKLES
                                    Barry C. ARKLES
                                 C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
                                    C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
                                 Gelest Technologies, Inc.
                                    Gelest Technologies, Inc.
                                 Barry C. ARKLES
                                    Barry C. ARKLES
                                 H01 - BASIC ELECTRIC ELEMENTS
                                    H01 - BASIC ELECTRIC ELEMENTS
                                 Gelest Technologies, Inc.
                                    Gelest Technologies, Inc.
                                 Barry C. ARKLES
                                    Barry C. ARKLES
                                 A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
                                    A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
                                 Gelest Technologies, Inc.
                                    Gelest Technologies, Inc.
                                 Barry C. ARKLES
                                    Barry C. ARKLES
                                 C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
                                    C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
                                 Gelest Technologies, Inc.
                                    Gelest Technologies, Inc.
                                 Barry C. ARKLES
                                    Barry C. ARKLES
                                 C07 - ORGANIC CHEMISTRY
                                    C07 - ORGANIC CHEMISTRY
                                 Gelest Technologies, Inc.
                                    Gelest Technologies, Inc.
                                 Barry C. ARKLES
                                    Barry C. ARKLES
                                 C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
                                    C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
                                 Gelest Technologies, Inc.
                                    Gelest Technologies, Inc.
                                 Barry C. ARKLES
                                    Barry C. ARKLES
                                 C01 - INORGANIC CHEMISTRY
                                    C01 - INORGANIC CHEMISTRY
                                 Gelest Technologies, Inc.
                                    Gelest Technologies, Inc.
                                 Barry C. ARKLES
                                    Barry C. ARKLES
                                 C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
                                    C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...