Friedhelm Sommer

Follow

Person

Leverkusen, all in, DE

People

Patents Grantslast 30 patents

Information Patent Grant
Color photographic material with polyester oil former
- Patent number 5,043,255
- Issue date Aug 27, 1991
- Agfa Aktiengesellschaft AG
- Gunter Junkers
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Photographic recording material
- Patent number 5,006,457
- Issue date Apr 9, 1991
- Bayer Aktiengesellschaft
- Hans Vetter
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Color photographic recording material
- Patent number 4,952,487
- Issue date Aug 28, 1990
- Agfa-Gevaert Aktiengesellschaft
- Gunter Renner
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Color photographic recording material containing color couplers
- Patent number 4,529,691
- Issue date Jul 16, 1985
- AGFA-Gevaert A.G.
- Gunter Renner
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Photographic material with stabilizers
- Patent number 4,282,313
- Issue date Aug 4, 1981
- Agfa-Gevaert Aktiengesellschaft
- Ubbo Wernicke
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Photographic material with improved properties
- Patent number 4,210,714
- Issue date Jul 1, 1980
- AGFA-Gevaert, A.G.
- Heinrich Odenwalder
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY