Inventor
DEWHURST JOHN E
US28 patents
⚠️ This page may combine multiple inventors who share the name “DEWHURST JOHN E”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
AIR PROD & CHEM
11 patentsUS5322914AJun 21, 1994
Aromatic polyisocyanurate resins and process therefor
AIR PROD & CHEM27 citations91
US5420186AMay 30, 1995
Internal mold release agents comprising metallic soaps compatibilized with liquid quaternary ammonium salts
AIR PROD & CHEM12 citations74
US5541338AJul 30, 1996
Fatty imidazoline crosslinkers for polyurethane, polyurethaneurea and polyurea applications
AIR PROD & CHEM10 citations68
US5312845AMay 17, 1994
Rim polyol blends containing acidic siloxane internal mold release agents and tin catalysts
AIR PROD & CHEM4 citations63
US5308880AMay 3, 1994
Tin catalysts for use in rim polyol blends containing acidic internal mold release agents and diethyltoluenediamine chain extender
AIR PROD & CHEM3 citations62
US5358985AOct 25, 1994
Ionic siloxane as internal mold release agent for polyurethane, polyurethaneurea and polyurea elastomers
AIR PROD & CHEM2 citations61
US5324759AJun 28, 1994
RIM polyol blends containing acidic siloxane internal mold release agents and quaternary ammonium phenoxides
AIR PROD & CHEM1 citations52
US5256704AOct 26, 1993
Polyurethane RIM elastomers obtained with hydroxyl-containing organotin catalysts
AIR PROD & CHEM1 citations52
US5227450AJul 13, 1993
Hydroxyl-containing organotin catalysts for making polyurethane rim elastomers
AIR PROD & CHEM0 citations52
US5204440AApr 20, 1993
Polyurethane rim elastomers obtained with hydroxyl-containing heterocyclic organotin catalysts
AIR PROD & CHEM1 citations52
US5317075AMay 31, 1994
Hydroxyl containing quaternary ammonium salts of fatty acids as internal mold release compositions
AIR PROD & CHEM1 citations49
MOBAY CORP
9 patentsUS4897428AJan 30, 1990
Internal mold release agent for use in molding polyurethanes and/or polyureas
MOBAY CORP25 citations91
US4764540AAug 16, 1988
Rim polyurethane or polyurea compositions containing internal mold release agents
MOBAY CORP28 citations89
US4886838ADec 12, 1989
Internal mold release agent for use in reaction injection molding
MOBAY CORP23 citations82
US5076989ADec 31, 1991
Internal mold release agent for use in reaction injection molding
MOBAY CORP10 citations74
US4963640AOct 16, 1990
Process and compositions for production of moldings
MOBAY CORP7 citations74
US4847307AJul 11, 1989
Rim polyurethane compositions containing internal mold release agents
MOBAY CORP14 citations73
US4789688ADec 6, 1988
Rim polyurethane compositions containing internal mold release agents
MOBAY CORP19 citations73
US5002999AMar 26, 1991
Internal mold release agent for use in reaction injection molding
MOBAY CORP14 citations72
US5019600AMay 28, 1991
Internal mold release agent for use in reaction injection molding
MOBAY CORP6 citations63
MOBAY CHEMICAL CORP
6 patentsUS4581386AApr 8, 1986
Internal mold release agent for use in reaction injection molding
MOBAY CHEMICAL CORP61 citations95
US4519965AMay 28, 1985
Internal mold release agent for use in reaction injection molding
MOBAY CHEMICAL CORP72 citations95
US4539156ASep 3, 1985
Liquid diphenylmethane diisocyanate compositions
MOBAY CHEMICAL CORP29 citations92
US4539158ASep 3, 1985
Liquid diphenylmethane diisocyanate compositions
MOBAY CHEMICAL CORP29 citations92
US4442235AApr 10, 1984
Process and composition for the production of polyurethane elastomer moldings
MOBAY CHEMICAL CORP36 citations92
US4539157ASep 3, 1985
Liquid diphenylmethane diisocyanate compositions
MOBAY CHEMICAL CORP24 citations82