Helmut Haseler

Person

Leverkusen, DE

People

Patents Grantslast 30 patents

Information Patent Grant
Photographic reversal process
- Patent number 5,110,715
- Issue date May 5, 1992
- Agfa Gavaert Aktiengesellschaft
- Ubbo Wernicke
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Process for the production of color photographic images comprising...
- Patent number 5,004,676
- Issue date Apr 2, 1991
- Agfa-Gevaert Aktiengesellschaft
- Heinz Meckl
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Process for stabilizing photographic silver images
- Patent number 4,987,059
- Issue date Jan 22, 1991
- Agfa-Gevaert Aktiengesellschaft
- Werner Berthold
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Bleaching baths containing bleaching accelerators
- Patent number 4,939,075
- Issue date Jul 3, 1990
- Agfa-Gevaert Aktiengesellschaft
- Peter Bergthaller
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Process for processing a color photographic material
- Patent number 4,933,264
- Issue date Jun 12, 1990
- Agfa-Gevaert Aktiengesellschaft
- Helmut Haseler
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Photographic recording material and process for the production of p...
- Patent number 4,636,460
- Issue date Jan 13, 1987
- Agfa-Gevaert Aktiengesellschaft
- Heinz Meckl
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Photographic developer composition
- Patent number 4,615,971
- Issue date Oct 7, 1986
- Agfa-Gevaert Aktiengesellschaft
- Helmut Haseler
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Process for the purification of photographic developer substances
- Patent number 4,376,216
- Issue date Mar 8, 1983
- AGFA-Gevaert A.G.
- Helmut Haseler
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Color-photographic development process
- Patent number 4,297,438
- Issue date Oct 27, 1981
- Agfa-Gevaert Aktiengesellschaft
- Helmut Haseler
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Color photographic material and color photographic processes
- Patent number 4,264,717
- Issue date Apr 28, 1981
- AGFA-Gevaert, A.G.
- Helmut Haseler
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Process for the production of color photographic images using new w...
- Patent number 4,204,867
- Issue date May 27, 1980
- AGFA-Gevaert, A.G.
- Karl Kuffner
- C07 - ORGANIC CHEMISTRY

Helmut Haseler

Person

Patents Grantslast 30 patents

Photographic reversal process

Process for the production of color photographic images comprising...

Process for stabilizing photographic silver images

Bleaching baths containing bleaching accelerators

Process for processing a color photographic material

Photographic recording material and process for the production of p...

Photographic developer composition

Process for the purification of photographic developer substances

Color-photographic development process

Color photographic material and color photographic processes

Process for the production of color photographic images using new w...