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Inventor

SOUNIK JAMES R

US37 patents
⚠️ This page may combine multiple inventors who share the name “SOUNIK JAMES R”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

HOECHST CELANESE CORP

29 patents
US5554719ASep 10, 1996

Polyhydroxystyrene with a novolak type structure

HOECHST CELANESE CORP44 citations92
US5565544AOct 15, 1996

Process for preparing polyhydroxystyrene with a novolak type structure

HOECHST CELANESE CORP15 citations74
US5304610AApr 19, 1994

Amphoteric copolymer derived from vinylpyridine and acetoxystyrene

HOECHST CELANESE CORP15 citations74
US5300559AApr 5, 1994

Polyamines derived from THPB and processes for preparing the same

HOECHST CELANESE CORP16 citations74
US5453483ASep 26, 1995

Process for preparing poly(4-hydroxystyrene)

HOECHST CELANESE CORP7 citations73
US5453481ASep 26, 1995

Process for preparing vinylphenol polymers and copolymers

HOECHST CELANESE CORP7 citations73
US5438142AAug 1, 1995

Functionalized tris(hydroxyphenyl) compounds

HOECHST CELANESE CORP16 citations73
US5347051ASep 13, 1994

Processes for preparing amines

HOECHST CELANESE CORP6 citations73
US5578687ANov 26, 1996

Process for preparing poly(4-hydroxystyrene)

HOECHST CELANESE CORP7 citations72
US5200481AApr 6, 1993

Tetraazaporphyrin monomers and polymers

HOECHST CELANESE CORP13 citations72
US5087390AFeb 11, 1992

Tetraazaporphyrin dye mixtures

HOECHST CELANESE CORP8 citations71
US5232995AAug 3, 1993

Amphoteric copolymer derived from vinylpyridine and acetoxystyrene

HOECHST CELANESE CORP2 citations63
US5210149AMay 11, 1993

Amphoteric copolymer derived from vinylpyridine and acetoxystyrene

HOECHST CELANESE CORP4 citations63
US5563300AOct 8, 1996

Process for preparing 4-hydroxyphenylmethylcarbinol

HOECHST CELANESE CORP4 citations62
US5523378AJun 4, 1996

Process for preparing vinylphenol polymers & copolymers

HOECHST CELANESE CORP4 citations62
US5424387AJun 13, 1995

Di-amino compounds and processes for preparing the same

HOECHST CELANESE CORP4 citations62
US5399766AMar 21, 1995

Amines and processes for preparing the same

HOECHST CELANESE CORP2 citations62
US5354907AOct 11, 1994

Amines derived from THPE and processes for preparing the same

HOECHST CELANESE CORP2 citations62
US5346983ASep 13, 1994

Substituted phenyl compounds and processes for preparing the same

HOECHST CELANESE CORP3 citations62
US5312990AMay 17, 1994

Di-amino compounds

HOECHST CELANESE CORP3 citations62
US5312988AMay 17, 1994

Amines derived from THPE

HOECHST CELANESE CORP2 citations62
US5300691AApr 5, 1994

Substituted benzyl amines

HOECHST CELANESE CORP3 citations62
US5300589AApr 5, 1994

Substituted triphenyl compounds & processes for preparing the same

HOECHST CELANESE CORP3 citations62
US5563289AOct 8, 1996

Process for preparing acetoxystyrene

HOECHST CELANESE CORP4 citations61
US5493062AFeb 20, 1996

Process for preparing 4-hydroxystyrene

HOECHST CELANESE CORP5 citations61
US5498804AMar 12, 1996

Process for preparing 4-hydroxyphenylmethylcarbinol

HOECHST CELANESE CORP1 citations52
US5422417AJun 6, 1995

Substituted phenyl compounds and processes for preparing the same

HOECHST CELANESE CORP0 citations51
US5347049ASep 13, 1994

Processes for preparing diamino compounds

HOECHST CELANESE CORP1 citations51
US5463108AOct 31, 1995

Process for preparing acetoxystyrene

HOECHST CELANESE CORP1 citations46

DUPONT ELECTRONIC POLYMERS L P

2 patents

TRIQUEST LP

1 patent

CHEMFIRST ELECTRONIC MATERIALS

1 patent

DU PONT

1 patent

CHEM FIRST ELECTRONIC MATERIAL

1 patent

HOECHST CLANESE CORP

1 patent

SHEEHAN MICHAEL T

1 patent