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 patentsUS5554719ASep 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