Jonas O. St. Alban

Person

Westerly, RI, US

People

Patents Grantslast 30 patents

Information Patent Grant
Process for the preparation of photosensitive compositions containi...
- Patent number 5,162,510
- Issue date Nov 10, 1992
- Hoechst Celanese Corporation
- Robert E. Potvin
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Photosensitive article having phenolic photosensitizers containing...
- Patent number 5,035,976
- Issue date Jul 30, 1991
- Hoechst Celanese Corporation
- Robert E. Potvin
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Phenolic photosensitizers containing quinone diazide and acidic hal...
- Patent number 4,902,785
- Issue date Feb 20, 1990
- Hoechst Celanese Corporation
- Robert E. Potvin
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Mixed ester O-quinone diazide photosensitizers and process of prepa...
- Patent number 4,892,801
- Issue date Jan 9, 1990
- Hoechst Celanese Corporation
- Robert E. Potvin
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Novel mixed ester O-quinone photosensitizers
- Patent number 4,732,837
- Issue date Mar 22, 1988
- Hoechst Celanese Corporation
- Robert E. Potvin
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Novel mixed ester O-quinone photosensitizers
- Patent number 4,732,836
- Issue date Mar 22, 1988
- Hoechst Celanese Corporation
- Robert E. Potvin
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Positive photoresist processing with mid U-V range exposure
- Patent number 4,596,763
- Issue date Jun 24, 1986
- American Hoechst Corporation
- John DiCarlo
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Jonas O. St. Alban

Person

Patents Grantslast 30 patents

Process for the preparation of photosensitive compositions containi...

Photosensitive article having phenolic photosensitizers containing...

Phenolic photosensitizers containing quinone diazide and acidic hal...

Mixed ester O-quinone diazide photosensitizers and process of prepa...

Novel mixed ester O-quinone photosensitizers

Novel mixed ester O-quinone photosensitizers

Positive photoresist processing with mid U-V range exposure