P

Inventor

HAY ALLAN S

CA51 patents
⚠️ This page may combine multiple inventors who share the name “HAY ALLAN S”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

HAY ALLAN S

19 patents
US5254663AOct 19, 1993

Polymers derived from phenolphthaleins

HAY ALLAN S20 citations82
US5359092AOct 25, 1994

Bis-N-aminoimides

HAY ALLAN S16 citations79
US5237062AAug 17, 1993

Polymers derived from phenolphthaleins

HAY ALLAN S15 citations74
US5169923ADec 8, 1992

Bisphenols and poly(imidoarylether ketone)s and poly(imidoarylether sulfone)s produced therefrom

HAY ALLAN S15 citations73
US5233046AAug 3, 1993

Diarylacetylenes, enamines and acetylenic polymers and their production

HAY ALLAN S7 citations71
US5219978AJun 15, 1993

Poly(arylene ether)from 9,9-bis(3,5-diphenyl-4-hydroxyphenyl)fluorene

HAY ALLAN S6 citations71
US5177183AJan 5, 1993

Process for synthesis of aromatic sulfides

HAY ALLAN S12 citations71
US5110993AMay 5, 1992

9,9-bis(3,5-diphenyl-4-hydroxyphenyl)fluorene and poly(arylene ethers)

HAY ALLAN S13 citations71
US5194563AMar 16, 1993

Polymeric species production

HAY ALLAN S4 citations63
US5110934AMay 5, 1992

Bisphenols and poly(imidoarylether ketone)s and poly(imidoarylether sulfone)s produced therefrom

HAY ALLAN S2 citations62
US5306789AApr 26, 1994

Amorphous, soluble, aromatic polymers with high glass transition temperatures

HAY ALLAN S7 citations61
US5011998AApr 30, 1991

Aromatic tertiary amines, enamines, deoxybenzoins and benzils

HAY ALLAN S5 citations60
US7696298B2Apr 13, 2010

Poly(arylenebenzimidazole) polymers and copolymers

HAY ALLAN S4 citations57
US5001294AMar 19, 1991

Synthesis of diaryl alkenes

HAY ALLAN S0 citations52
US5239052AAug 24, 1993

Process for synthesis of aromatic sulfides

HAY ALLAN S1 citations50
US5196606AMar 23, 1993

Aromatic tertiary amines, enamines, deoxybenzoins and benzils

HAY ALLAN S1 citations50
US8501896B2Aug 6, 2013

High temperature poly(aryl ether)s containing a phthalazinone moiety

HAY ALLAN S1 citations49
US5243016ASep 7, 1993

Polymers and copolymers of high glass transition temperature from hindered phenols

HAY ALLAN S0 citations48
US5182358AJan 26, 1993

Polymers and copolymers of high glass transition temperature from hindered phenols

HAY ALLAN S1 citations48

GEN ELECTRIC

13 patents
US4048143ASep 13, 1977

Process for capping polyphenylene oxide

GEN ELECTRIC70 citations96
US4028341AJun 7, 1977

Process for the preparation of polyphenylene oxides with hydrolytically stable copper catalysts

GEN ELECTRIC102 citations96
US4374974AFeb 22, 1983

Method for making polyformals and polyformal products made thereby

GEN ELECTRIC23 citations82
US4254252AMar 3, 1981

Cyclic polyformals and method for making

GEN ELECTRIC6 citations74
US4082808AApr 4, 1978

Thiobis-2,6-disubstituted phenol

GEN ELECTRIC11 citations74
US3953519AApr 27, 1976

Process for the preparation of a thiobis-2,6-disubstituted phenol from sulfur and a phenol

GEN ELECTRIC14 citations74
US4064179ADec 20, 1977

Organomercaptophenol

GEN ELECTRIC2 citations63
US4061617ADec 6, 1977

Oxidation-reduction diphenoquinone-diphenohydroquinone polymers

GEN ELECTRIC3 citations63
US4033982AJul 5, 1977

3,4,5-Trithiapolycyclo compounds and derivatives

GEN ELECTRIC5 citations63
US3979460ASep 7, 1976

Process for the preparation of an organomercaptophenol from sulfur, a 2,6-disubstituted phenol, and an activated olefin or an epoxy compound

GEN ELECTRIC4 citations63
US3952063AApr 20, 1976

Process for the preparation of an organomercaptophenol from sulfur, a phenol, and an activated olefin or an epoxy compound

GEN ELECTRIC3 citations63
US4064158ADec 20, 1977

Process for the preparation of an organomercaptophenol from sulfur, a 2,6-disubstituted phenol, and an activated olefin or an epoxy compound

GEN ELECTRIC1 citations52
US3959223AMay 25, 1976

Oxidation-reduction diphenoquinone-diphenonhydroquinone polymers

GEN ELECTRIC0 citations52

(unassigned)

11 patents

HSU TIM

2 patents

WANG YI-FENG

1 patent

INST NAT RECH SCIENT

1 patent

UNIV MCGILL

1 patent

LEFEVRE MICHEL

1 patent

INST NAT DE LA RECH SCIENT

1 patent

Showing the top 50 of 51 patents by PatentIndex Score.