Alan Wilkes

Person

Brewster, NY, US

People

Patents Grantslast 30 patents

Information Patent Grant
Photosensitive materials
- Patent number 4,576,892
- Issue date Mar 18, 1986
- Polychrome Corporation
- Eugene Golda
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Duplicating film mask with radiation absorbing benzophenone in proc...
- Patent number 4,486,518
- Issue date Dec 4, 1984
- Polychrome Corporation
- Jerome Kesselman
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Method for making a negative working lithographic printing plate
- Patent number 4,483,758
- Issue date Nov 20, 1984
- Polychrome Corporation
- William Rowe
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Aluminum substrates useful for lithographic printing plates
- Patent number 4,477,317
- Issue date Oct 16, 1984
- Polychrome Corporation
- Simon L. Chu
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information Patent Grant
Method for making a negative working lithographic printing plate
- Patent number 4,447,512
- Issue date May 8, 1984
- Polychrome Corporation
- William Rowe
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Positive acting composition yielding pre-development high visibilit...
- Patent number 4,350,753
- Issue date Sep 21, 1982
- Polychrome Corporation
- James Shelnut
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Method of making positive acting diazo lithographic printing plate
- Patent number 4,326,020
- Issue date Apr 20, 1982
- Polychrome Corporation
- Eugene Golda
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Aqueous alkali developable negative working lithographic printing p...
- Patent number 4,171,974
- Issue date Oct 23, 1979
- Polychrome Corporation
- Eugene Golda
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Method for producing lithographic printing plates
- Patent number 4,148,649
- Issue date Apr 10, 1979
- Polychrome Corporation
- Eugene Golda
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Water developable lithographic printing plate having dual photosens...
- Patent number 4,104,072
- Issue date Aug 1, 1978
- Polychrome Corporation
- Eugene Golda
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Lithographic printing plate and method of making same
- Patent number 4,090,880
- Issue date May 23, 1978
- Polychrome Corporation
- Simon Long Chu
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Process for making photosensitive lithographic printing plates invo...
- Patent number 4,086,092
- Issue date Apr 25, 1978
- Polychrome Corporation
- Eugene Golda
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS

Alan Wilkes

Person

Patents Grantslast 30 patents

Photosensitive materials

Duplicating film mask with radiation absorbing benzophenone in proc...

Method for making a negative working lithographic printing plate

Aluminum substrates useful for lithographic printing plates

Method for making a negative working lithographic printing plate

Positive acting composition yielding pre-development high visibilit...

Method of making positive acting diazo lithographic printing plate

Aqueous alkali developable negative working lithographic printing p...

Method for producing lithographic printing plates

Water developable lithographic printing plate having dual photosens...

Lithographic printing plate and method of making same

Process for making photosensitive lithographic printing plates invo...