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Robert A. Gelman
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Landenberg, PA, US
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Patents Grants
last 30 patents
Information
Patent Grant
Retention and drainage in the manufacture of paper
Patent number
8,932,433
Issue date
Jan 13, 2015
Solenis Technologies, L.P.
Frank J. Sutman
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Hydrophobically modifed poly[ethylene glycol] for use in pitch and...
Patent number
8,388,806
Issue date
Mar 5, 2013
Hercules Incorporated
Qu-Ming Gu
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Retention and drainage in the manufacture of paper
Patent number
8,308,902
Issue date
Nov 13, 2012
Hercules Incorporated
Frank Sutman
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Retention and drainage in the manufacture of paper
Patent number
8,206,553
Issue date
Jun 26, 2012
Hercules Incorporated
Robert A. Gelman
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Inversion of inverse emulsion polymers
Patent number
7,429,625
Issue date
Sep 30, 2008
Hercules Incorporated
John C. Harrington
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Non-chromate conversion coating treatment for metals
Patent number
7,344,607
Issue date
Mar 18, 2008
GE Betz, Inc.
Jeffrey I. Melzer
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Compositions for imparting desired properties to materials
Patent number
7,317,053
Issue date
Jan 8, 2008
Hercules Incorporated
Robert A. Gelman
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Derivatized microfibrillar polysaccharide
Patent number
6,602,994
Issue date
Aug 5, 2003
Hercules Incorporated
Mary Jean Cash
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Compositions for imparting desired properties to materials
Patent number
6,586,520
Issue date
Jul 1, 2003
Hercules Incorporated
James Canorro
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Processes and compositions for repulping wet strength paper and pap...
Patent number
5,904,808
Issue date
May 18, 1999
Hercules Incorporated
Robert A. Gelman
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Method of preparing salts of carboxymethylcellulose
Patent number
4,689,408
Issue date
Aug 25, 1987
Hercules Incorporated
Robert A. Gelman
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Novel salts of carboxymethylcellulose
Patent number
4,650,716
Issue date
Mar 17, 1987
Hercules Incorporated
Robert A. Gelman
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Patents Applications
last 30 patents
Information
Patent Application
RETENTION AND DRAINAGE IN THE MANUFACTURE OF PAPER
Publication number
20120291971
Publication date
Nov 22, 2012
HERCULES INCORPORATED
Frank J. Sutman
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
RETENTION AND DRAINAGE IN THE MANUFACTURE OF PAPER
Publication number
20090211719
Publication date
Aug 27, 2009
Frank Sutman
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
Hydrophobically modifed poly[ethylene glycol] for use in pitch and...
Publication number
20080029231
Publication date
Feb 7, 2008
Qu-Ming Gu
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
Retention and drainage in the manufacture of paper
Publication number
20060289136
Publication date
Dec 28, 2006
Erin A. S. Doherty
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
Retention and drainage in the manufacture of paper
Publication number
20060289137
Publication date
Dec 28, 2006
Robert A. Gelman
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
Hydrophobic polymers and their use in preparing cellulosic fiber co...
Publication number
20060266488
Publication date
Nov 30, 2006
Erin A. S. Doherty
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
Additive system for use in paper making and process of using the same
Publication number
20060183816
Publication date
Aug 17, 2006
Robert Alan Gelman
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
Retention and drainage in the manufacture of paper
Publication number
20060142429
Publication date
Jun 29, 2006
Robert A. Gelman
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
Retention and drainage in the manufacture of paper
Publication number
20060142430
Publication date
Jun 29, 2006
John C. Harrington
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
Retention and drainage in the manufacture of paper
Publication number
20060142432
Publication date
Jun 29, 2006
John C. Harrington
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
Retention and drainage in the manufacture of paper
Publication number
20060142431
Publication date
Jun 29, 2006
Frank J. Sutman
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
Process for preparing high molar mass polymers
Publication number
20060127351
Publication date
Jun 15, 2006
HERCULES INCORPORATED
Erin A. S. Doherty
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
Inversion of inverse emulsion polymers
Publication number
20050143506
Publication date
Jun 30, 2005
John C. Harrington
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
Non-chromate conversion coating treatment for metals
Publication number
20040020565
Publication date
Feb 5, 2004
GE Betz, Inc.
Jeffrey I. Melzer
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
Compositions for imparting desired properties to materials
Publication number
20030199629
Publication date
Oct 23, 2003
Robert A. Gelman
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...