P

Inventor

JEFFRIES III ALFRED T

US26 patents
⚠️ This page may combine multiple inventors who share the name “JEFFRIES III ALFRED T”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

OCG MICROELECTRONIC MATERIALS

16 patents
US5346799ASep 13, 1994

Novolak resins and their use in radiation-sensitive compositions wherein the novolak resins are made by condensing 2,6-dimethylphenol, 2,3-dimethylphenol, a para-substituted phenol and an aldehyde

OCG MICROELECTRONIC MATERIALS22 citations89
US5283374AFeb 1, 1994

Selected phenolic derivatives of 4-(4-hydroxyphenyl)-cyclohexanone and their use as sensitivity enhancers for radiation sensitive mixtures

OCG MICROELECTRONIC MATERIALS19 citations82
US5366843ANov 22, 1994

Coated substrate utilizing composition including selected phenolic derivatives of 4-(4-hydroxyphenyl)-cyclohexanone as sensitivity enhancers

OCG MICROELECTRONIC MATERIALS7 citations74
US5278021AJan 11, 1994

O-naphthoquinone diazide sulfonyl esters of 4-(4-hydroxyphenyl)cyclohexanone phenolic derivatives with associated radiation sensitive mixtures and articles

OCG MICROELECTRONIC MATERIALS7 citations74
US5196289AMar 23, 1993

Selected block phenolic oligomers and their use in radiation-sensitive resist compositions

OCG MICROELECTRONIC MATERIALS15 citations73
US5346808ASep 13, 1994

Positive image formation utilizing o-quinonediazide composition including selected phenolic derivatives of 4-(4-hydroxyphenyl)-cyclohexanone

OCG MICROELECTRONIC MATERIALS4 citations63
US5312720AMay 17, 1994

Process of developing a positive image utilizing o-naphthoquinone diazide radiation-sensitive esters of phenolic derivatives of 4-(4-hydroxyphenyl)cyclohexanone

OCG MICROELECTRONIC MATERIALS2 citations63
US5302688AApr 12, 1994

Selected block phenolic oligomers and their use in phenolic resin compositions and in radiation-sensitive resist compositions

OCG MICROELECTRONIC MATERIALS5 citations62
US5234795AAug 10, 1993

Process of developing an image-wise exposed resist-coated substrate

OCG MICROELECTRONIC MATERIALS6 citations62
US5235022AAug 10, 1993

Selected block copolymer novolak binder resins

OCG MICROELECTRONIC MATERIALS5 citations62
US5232819AAug 3, 1993

Selected block phenolic oligomers and their use in phenolic resin compositions and in radiation-sensitive resist compositions

OCG MICROELECTRONIC MATERIALS4 citations62
US5024921AJun 18, 1991

Thermally stable light-sensitive compositions with o-quinone diazide and phenolic resin used in a method of forming a positive photoresist image

OCG MICROELECTRONIC MATERIALS5 citations62
US5220073AJun 15, 1993

Selected trihydroxybenzophenone compounds

OCG MICROELECTRONIC MATERIALS1 citations52
US5219714AJun 15, 1993

Selected trihydroxybenzophenone compounds and their use in photoactive compounds and radiation sensitive mixtures

OCG MICROELECTRONIC MATERIALS1 citations52
US5196517AMar 23, 1993

Selected trihydroxybenzophenone compounds and their use as photoactive compounds

OCG MICROELECTRONIC MATERIALS0 citations52
US5188921AFeb 23, 1993

Selected block copolymer novolak binder resins in radiation-sensitive resist compositions

OCG MICROELECTRONIC MATERIALS1 citations52

OLIN HUNT SPECIALTY PROD

7 patents

HUNT CHEM CORP PHILIP A

1 patent

ARCH SPEC CHEM INC

1 patent

OLIN MICROELECTRONIC CHEM INC

1 patent