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Alfred T. Jeffries III
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Providence, RI, US
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last 30 patents
Information
Patent Grant
Photosensitive diazonaphthoquinone esters based on selected cyclic...
Patent number
6,140,026
Issue date
Oct 31, 2000
Arch Specialty Chemicals, Inc.
Andrew J. Blakeney
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Photosensitive diazonaphthoquinone esters based on selected cyclic...
Patent number
6,040,107
Issue date
Mar 21, 2000
Olin Microelectronic Chemicals, Inc.
Andrew J. Blakeney
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Coated substrate utilizing composition including selected phenolic...
Patent number
5,366,843
Issue date
Nov 22, 1994
OCG Microelectronic Materials, Inc.
Alfred T. Jeffries
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Positive image formation utilizing o-quinonediazide composition inc...
Patent number
5,346,808
Issue date
Sep 13, 1994
OCG Microelectronic Materials, Inc.
Alfred T. Jeffries
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Novolak resins and their use in radiation-sensitive compositions wh...
Patent number
5,346,799
Issue date
Sep 13, 1994
OCG Microelectronic Materials, Inc.
Alfred T. Jeffries
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Process of developing a positive image utilizing o-naphthoquinone d...
Patent number
5,312,720
Issue date
May 17, 1994
OCG Microelectronic Materials Inc.
Alfred T. Jeffries
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Selected block phenolic oligomers and their use in phenolic resin c...
Patent number
5,302,688
Issue date
Apr 12, 1994
OCG Microelectronic Materials, Inc.
Alfred T. Jeffries
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Selected phenolic derivatives of 4-(4-hydroxyphenyl)-cyclohexanone...
Patent number
5,283,374
Issue date
Feb 1, 1994
OCG Microelectronic Materials, Inc.
Alfred T. Jeffries
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
O-naphthoquinone diazide sulfonyl esters of 4-(4-hydroxyphenyl)cycl...
Patent number
5,278,021
Issue date
Jan 11, 1994
OCG Microelectronic Materials, Inc.
Alfred T. Jeffries
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Process of developing an image-wise exposed resist-coated substrate
Patent number
5,234,795
Issue date
Aug 10, 1993
OCG Microelectronic Materials, Inc.
Alfred T. Jeffries
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Selected block copolymer novolak binder resins
Patent number
5,235,022
Issue date
Aug 10, 1993
OCG Microelectronic Materials, Inc.
Alfred T. Jeffries
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Selected block phenolic oligomers and their use in phenolic resin c...
Patent number
5,232,819
Issue date
Aug 3, 1993
OCG Microelectronic Materials, Inc.
Alfred T. Jeffries
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Selected trihydroxybenzophenone compounds and their use in photoact...
Patent number
5,219,714
Issue date
Jun 15, 1993
OCG Microelectronic Materials, Inc.
Medhat A. Toukhy
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Selected trihydroxybenzophenone compounds
Patent number
5,220,073
Issue date
Jun 15, 1993
OCG Microelectronic Materials, Inc.
Medhat A. Toukhy
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Selected trihydroxybenzophenone compounds and their use as photoact...
Patent number
5,196,517
Issue date
Mar 23, 1993
OCG Microelectronic Materials, Inc.
Medhat A. Toukhy
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Selected block phenolic oligomers and their use in radiation-sensit...
Patent number
5,196,289
Issue date
Mar 23, 1993
OCG Microelectronic Materials, Inc.
Alfred T. Jeffries
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Selected block copolymer novolak binder resins in radiation-sensiti...
Patent number
5,188,921
Issue date
Feb 23, 1993
OCG Microelectronic Materials, Inc.
Alfred T. Jeffries
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Thermally stable light-sensitive compositions with o-quinone diazid...
Patent number
5,024,921
Issue date
Jun 18, 1991
OCG Microelectronic Materials, Inc.
Andrew J. Blakeney
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Selected trihydroxybenzophenone compounds and their use in photoact...
Patent number
5,019,478
Issue date
May 28, 1991
Olin Hunt Specialty Products, Inc.
Medhat A. Toukhy
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Selected trinuclear novolak oligomers and their use in photoactive...
Patent number
4,992,596
Issue date
Feb 12, 1991
Olin Hunt Specialty Products Inc.
Alfred T. Jeffries
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process of developing a radiation imaged product with trinuclear no...
Patent number
4,992,356
Issue date
Feb 12, 1991
Olin Hunt Specialty Products Inc.
Alfred T. Jeffries
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Thermally stable phenolic resin compositions with ortho, ortho meth...
Patent number
4,970,287
Issue date
Nov 13, 1990
Olin Hunt Specialty Products Inc.
Andrew J. Blakeney
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Radiation sensitive compound and mixtures with trinuclear novolak o...
Patent number
4,957,846
Issue date
Sep 18, 1990
Olin Hunt Specialty Products Inc.
Alfred T. Jeffries
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Thermally stable light-sensitive compositions with o-quinone diazid...
Patent number
4,837,121
Issue date
Jun 6, 1989
Olin Hunt Specialty Products Inc.
Andrew J. Blakeney
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Light-sensitive 1,2-naphthoquinone-2-diazide-4-sulfonic acid monoes...
Patent number
4,797,345
Issue date
Jan 10, 1989
Olin Hunt Specialty Products, Inc.
Alfred T. Jeffries
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Antireflective coatings for use in the manufacture of semi-conducto...
Patent number
4,617,252
Issue date
Oct 14, 1986
Philip A. Hunt Chemical Corporation
William F. Cordes
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY