Matthias Schellenberg

Person

Marly, CH

People

Patents Grantslast 30 patents

Information Patent Grant
Photographic material for the silver dye bleach process comprising...
- Patent number 4,803,151
- Issue date Feb 7, 1989
- Ciba-Geigy AG
- Rolf Steiger
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Use of tertiary phosphines in photographic silver dye bleach materials
- Patent number 4,357,280
- Issue date Nov 2, 1982
- Ciba-Geigy AG
- Christoph Chylewski
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for producing photographic images
- Patent number 4,271,254
- Issue date Jun 2, 1981
- Ciba-Geigy AG
- Leslie F. A. Mason
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Method for processing silver dye-bleach materials
- Patent number 4,186,008
- Issue date Jan 29, 1980
- Ciba-Geigy Aktiengesellschaft
- Meinrad Schar
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Method of processing photographic silver dye bleach materials
- Patent number 4,138,256
- Issue date Feb 6, 1979
- Ciba-Geigy AG
- Christoph Chylewski
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Preparation for the processing of photographic materials
- Patent number 4,014,699
- Issue date Mar 29, 1977
- Ciba-Geigy AG
- Matthias Schellenberg
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Method for processing silver dye bleach materials
- Patent number 3,963,492
- Issue date Jun 15, 1976
- Ciba-Geigy AG
- Max Marthaler
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Process for fixing photographic material
- Patent number 3,961,958
- Issue date Jun 8, 1976
- Ciba-Geigy AG
- Matthias Schellenberg
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Preparation for the processing of photographic materials
- Patent number 3,957,516
- Issue date May 18, 1976
- Ciba-Geigy AG
- Matthias Schellenberg
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Matthias Schellenberg

Person

Patents Grantslast 30 patents

Photographic material for the silver dye bleach process comprising...

Use of tertiary phosphines in photographic silver dye bleach materials

Process for producing photographic images

Method for processing silver dye-bleach materials

Method of processing photographic silver dye bleach materials

Preparation for the processing of photographic materials

Method for processing silver dye bleach materials

Process for fixing photographic material

Preparation for the processing of photographic materials