Gerald D. Erdman

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Reading, PA, US

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Patents Grantslast 30 patents

Information Patent Grant
PCC filler composition for improved printability of supercalendered...
- Patent number 8,747,543
- Issue date Jun 10, 2014
- Specialty Minerals (Michigan) Inc.
- David Lee Smith
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Method and apparatus for continuous gas liquid reactions
- Patent number 7,387,769
- Issue date Jun 17, 2008
- Minerals Technologies Inc.
- Gerald Dean Erdman
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Method and apparatus for concentrating slurried solids
- Patent number 6,454,907
- Issue date Sep 24, 2002
- Minerals Technologies, Inc.
- Gerald Dean Erdman
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Method and apparatus for continuous gas liquid reactions
- Patent number 6,451,268
- Issue date Sep 17, 2002
- Minerals Technologies Inc.
- Gerald Dean Erdman
- C01 - INORGANIC CHEMISTRY

Patents Applicationslast 30 patents

Information Patent Application
PCC FILLER COMPOSITION FOR IMPROVED PRINTABILITY OF SUPERCALENDERED...
- Publication number 20140000485
- Publication date Jan 2, 2014
- Specialty Minerals (Michigan) Inc.
- David Lee Smith
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
Method and apparatus for continuous gas liquid reactions
- Publication number 20020176813
- Publication date Nov 28, 2002
- Minerals Technologies Inc.
- Gerald Dean Erdman
- C01 - INORGANIC CHEMISTRY