P

Inventor

VICARI RICHARD

US58 patents
⚠️ This page may combine multiple inventors who share the name “VICARI RICHARD”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

HOECHST CELANESE CORP

21 patents
US4962147AOct 9, 1990

Process for the suspension polymerization of 4-acetoxystyrene and hydrolysis to 4-hydroxystyrene polymers

HOECHST CELANESE CORP28 citations93
US5342727AAug 30, 1994

Copolymers of 4-hydroxystyrene and alkyl substituted-4-hydroxystyrene in admixture with a photosensitizer to form a photosensitive composition

HOECHST CELANESE CORP25 citations92
US4927956AMay 22, 1990

3,5-disubstituted-4-acetoxystyrene and process for its production

HOECHST CELANESE CORP21 citations81
US5464923ANov 7, 1995

Polymer compositions containing substituted biphenyl pyrazines

HOECHST CELANESE CORP13 citations74
US5430123AJul 4, 1995

Polymer compositions containing substituted pyrazines

HOECHST CELANESE CORP7 citations74
US4933495AJun 12, 1990

Process for the production of 3-mono or 3,5 dihalogenated 4-acetoxystyrene, its polymerization, and hydrolysis

HOECHST CELANESE CORP9 citations74
US4929694AMay 29, 1990

Copolymers of p-mercaptostyrene and its esters

HOECHST CELANESE CORP7 citations74
US5438142AAug 1, 1995

Functionalized tris(hydroxyphenyl) compounds

HOECHST CELANESE CORP16 citations73
US5459266AOct 17, 1995

Substituted pyrazines

HOECHST CELANESE CORP11 citations72
US5777129AJul 7, 1998

Hyperbranched polymers

HOECHST CELANESE CORP16 citations71
US5591809AJan 7, 1997

Process for preparing hyperbranched polymers

HOECHST CELANESE CORP12 citations71
US5567795AOct 22, 1996

Process for preparing hyperbranched polymers

HOECHST CELANESE CORP11 citations71
US5362843ANov 8, 1994

Process for preparing highly branched macromolecule polymers

HOECHST CELANESE CORP19 citations70
US5462840AOct 31, 1995

Use of poly(35-disubstituted 4-hydroxystyrene/N-substituted maleimide for forming a negative image

HOECHST CELANESE CORP4 citations63
US5393860AFeb 28, 1995

Polymer compositions containing substituted pyrazines

HOECHST CELANESE CORP6 citations63
US5274069ADec 28, 1993

Process for preparing improved polyarylates

HOECHST CELANESE CORP3 citations63
US4868257ASep 19, 1989

Process for the production of 3-mono or 3,5 disubstituted-4-acetoxystyrene, its polymerization

HOECHST CELANESE CORP6 citations63
US5072025ADec 10, 1991

Process for the production of 3,5-disubstituted-4-acetoxystyrene

HOECHST CELANESE CORP3 citations62
US5004796AApr 2, 1991

Preparation of poly(arylate) using a non-solvent

HOECHST CELANESE CORP2 citations56
US5464941ANov 7, 1995

Biphenyl pyrazine compounds

HOECHST CELANESE CORP1 citations52
US5710282AJan 20, 1998

Process for preparing substituted aryls

HOECHST CELANESE CORP0 citations49

SEKISUI SPECIALTY CHEMICALS AM

7 patents

VICARI RICHARD

5 patents

SUMITOMO BAKELITE CO

5 patents

GOODRICH CO B F

4 patents

CELANESE INT CORP

2 patents

HOECHST CELANESE

2 patents

HERBERTS GMBH

1 patent

CLARIANT FINANCE BVI LTD

1 patent

HOECHST COLANESE CORP

1 patent

KOPPERS CO INC

1 patent

Showing the top 50 of 58 patents by PatentIndex Score.