John P. Hatfield

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Hope Valley, RI, US

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Patents Grantslast 30 patents

Information Patent Grant
Photoresist compositions
- Patent number 6,911,297
- Issue date Jun 28, 2005
- Arch Specialty Chemicals, Inc.
- David Brzozowy
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
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

Patents Applicationslast 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
Photoacid generators for use in photoresist compositions
- Publication number 20020197558
- Publication date Dec 26, 2002
- Arch Specialty Chemicals, Inc.
- Lawrence Ferreira
- C07 - ORGANIC CHEMISTRY