Richard A. Ooms

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Mechelen, BE

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Patents Grantslast 30 patents

Information Patent Grant
Method for increasing the contrast of photographic silver images
- Patent number 5,266,442
- Issue date Nov 30, 1993
- AGFA-GEVAERT N.V.
- Richard A. Ooms
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Class of masked stabilizers in photographic materials or developing...
- Patent number 5,236,815
- Issue date Aug 17, 1993
- Agfa-Gevaert, N.V.
- Jean-Marie O. Dewanckele
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
High contrast developer containing an aprotic solvent
- Patent number 5,206,123
- Issue date Apr 27, 1993
- Agfa-Gevaert, N.V.
- Richard A. Ooms
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Developer liquid for high contrast development
- Patent number 5,141,843
- Issue date Aug 25, 1992
- AGFA-GEVAERT N.V.
- Richard A. Ooms
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Method of effecting high contrast development of an image-wise expo...
- Patent number 4,756,990
- Issue date Jul 12, 1988
- AGFA-GEVAERT N.V.
- Richard A. Ooms
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
High contrast development of silver halide emulsion material
- Patent number 4,710,451
- Issue date Dec 1, 1987
- AGFA-GEVAERT N.V.
- Richard A. Ooms
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY