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Lawrence Ferreira
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Fall River, MA, US
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Patents Grants
last 30 patents
Information
Patent Grant
Non-corrosive cleaning compositions for removing etch residues
Patent number
7,935,665
Issue date
May 3, 2011
Fujifilm Electronic Materials U.S.A., Inc.
Vincent G. Leon
C11 - ANIMAL AND VEGETABLE OILS, FATS, FATTY SUBSTANCES AND WAXES FATTY ACIDS...
Information
Patent Grant
Photoacid generators for use in photoresist compositions
Patent number
6,855,476
Issue date
Feb 15, 2005
Arch Specialty Chemicals, Inc.
Lawrence Ferreira
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Production of acetal derivatized hydroxyl aromatic polymers and the...
Patent number
6,380,317
Issue date
Apr 30, 2002
Arch Specialty Chemicals, Inc.
Sanjay Malik
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
t-butyl cinnamate polymers and their use in photoresist compositions
Patent number
6,312,870
Issue date
Nov 6, 2001
Arch Specialty Chemicals, Inc.
Sanjay Malik
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Production of acetal derivatized hydroxyl aromatic polymers and the...
Patent number
6,309,793
Issue date
Oct 30, 2001
Arch Specialty Chemicals, Inc.
Sanjay Malik
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Method of purifying photoacid generators for use in photoresist com...
Patent number
6,200,480
Issue date
Mar 13, 2001
Arch Specialty Chemicals, Inc.
Lawrence Ferreira
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Production of acetal derivatized hydroxyl aromatic polymers and the...
Patent number
6,159,653
Issue date
Dec 12, 2000
Arch Specialty Chemicals, Inc.
Sanjay Malik
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
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
Production of acetal derivatized hydroxyl aromatic polymers and the...
Patent number
6,133,412
Issue date
Oct 17, 2000
Arch Chemicals, Inc.
Sanjay Malik
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
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
Selected O-quinonediazide sulfonic acid esters of phenolic compound...
Patent number
5,602,260
Issue date
Feb 11, 1997
OCG Microelectronic Materials, Inc.
Andrew J. Blakeney
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
O-quinonediazide sulfonic acid esters of phenolic compounds and the...
Patent number
5,547,814
Issue date
Aug 20, 1996
OCG Microelectronic Materials, Inc.
Andrew J. Blakeney
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Selected o-quinonediazide sulfonic acid esters of phenolic compound...
Patent number
5,541,033
Issue date
Jul 30, 1996
OCG Microelectronic Materials, Inc.
Andrew J. Blakeney
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Method for removing metal impurities from resist components
Patent number
5,446,125
Issue date
Aug 29, 1995
OCG Microelectronic Materials, Inc.
Kenji Honda
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Polylactide compounds as sensitivity enhancers for radiation sensit...
Patent number
5,234,789
Issue date
Aug 10, 1993
OCG Microelectronic Materials, Inc.
James G. Favier
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Development of positive-working photoresist compositions
Patent number
4,711,836
Issue date
Dec 8, 1987
Olin Hunt Specialty Products, Inc.
Lawrence Ferreira
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Patents Applications
last 30 patents
Information
Patent Application
Photoresist compositions
Publication number
20040072095
Publication date
Apr 15, 2004
Arch Speciality Chemical, Inc.
David Brzozowy
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
Non-corrosive cleaning compositions for removing etch residues
Publication number
20030235996
Publication date
Dec 25, 2003
Arch Specialty Chemicals, Inc.
Vincent G. Leon
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
Photoacid generators for use in photoresist compositions
Publication number
20020197558
Publication date
Dec 26, 2002
Arch Specialty Chemicals, Inc.
Lawrence Ferreira
C07 - ORGANIC CHEMISTRY