Mario Fryberg

Person

Praroman-le-Mouret, CH

People

Patents Grantslast 30 patents

Information Patent Grant
Dihydrazides
- Patent number 5,702,866
- Issue date Dec 30, 1997
- Ilford AG
- Mario Fryberg
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Dihydrazides
- Patent number 5,686,222
- Issue date Nov 11, 1997
- Ilford AG
- Mario Fryberg
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Photographic material for the silver dye bleach process
- Patent number 4,576,885
- Issue date Mar 18, 1986
- Ciba-Geigy AG
- Mario Fryberg
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Recording material for color photography
- Patent number 4,568,752
- Issue date Feb 4, 1986
- Ciba-Geigy AG
- Mario Fryberg
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Photographic material
- Patent number 4,471,048
- Issue date Sep 11, 1984
- Ciba-Geigy AG
- Mario Fryberg
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for the production of photographic color images by the silv...
- Patent number 4,465,763
- Issue date Aug 14, 1984
- Ciba-Geigy AG
- Eddy Forte
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Photographic material
- Patent number 4,436,811
- Issue date Mar 13, 1984
- Ciba-Geigy AG
- Mario Fryberg
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Photographic recording material
- Patent number 4,407,935
- Issue date Oct 4, 1983
- Ciba-Geigy AG
- Mario Fryberg
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for the production of photographic color images by the silv...
- Patent number 4,404,273
- Issue date Sep 13, 1983
- Ciba-Geigy AG
- Eddy Forte
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Color-photographic recording material for the silver dye bleach pro...
- Patent number 4,379,819
- Issue date Apr 12, 1983
- Ciba-Geigy AG
- John Lenoir
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Light-sensitive color photographic material
- Patent number 4,359,521
- Issue date Nov 16, 1982
- Ciba-Geigy AG
- Mario Fryberg
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Material for color photography
- Patent number 4,248,961
- Issue date Feb 3, 1981
- Ciba-Geigy AG
- Remon Hagen
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Recording material for color photography
- Patent number 4,238,564
- Issue date Dec 9, 1980
- Ciba-Geigy Aktiengesellschaft
- Mario Fryberg
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Yellow photographic color couplers containing 3-imino-1,3,4-thiadia...
- Patent number 4,229,577
- Issue date Oct 21, 1980
- Ciba-Geigy AG
- Graham Evans
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Silver halide color photographic material containing yellow coupler
- Patent number 4,115,121
- Issue date Sep 19, 1978
- Ciba-Geigy AG
- Graham Evans
- C07 - ORGANIC CHEMISTRY

Mario Fryberg

Person

Patents Grantslast 30 patents

Dihydrazides

Dihydrazides

Photographic material for the silver dye bleach process

Recording material for color photography

Photographic material

Process for the production of photographic color images by the silv...

Photographic material

Photographic recording material

Process for the production of photographic color images by the silv...

Color-photographic recording material for the silver dye bleach pro...

Light-sensitive color photographic material

Material for color photography

Recording material for color photography

Yellow photographic color couplers containing 3-imino-1,3,4-thiadia...

Silver halide color photographic material containing yellow coupler