John Lenoir

Person

Marly, CH

People

Patents Grantslast 30 patents

Information Patent Grant
Photographic silver dye bleach materials containing formyl-substitu...
- Patent number 4,575,482
- Issue date Mar 11, 1986
- Ciba-Geigy AG
- John Lenoir
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Oil-soluble disazo dyes and their use in color-photographic recordi...
- Patent number 4,521,591
- Issue date Jun 4, 1985
- Ciba-Geigy AG
- Gerald Jan
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Azo dyes containing phosphamic acid diester groups
- Patent number 4,456,668
- Issue date Jun 26, 1984
- Ciba-Geigy AG
- John Lenoir
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Monoazo dyes containing phosphamic acid diester groups
- Patent number 4,409,143
- Issue date Oct 11, 1983
- Ciba-Geigy AG
- John Lenoir
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
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
Quinoxalines and their use in photographic processes
- Patent number 4,323,682
- Issue date Apr 6, 1982
- Ciba-Geigy AG
- Gerald Jan
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for the prevention of darkening and the formation of a sedi...
- Patent number 4,254,215
- Issue date Mar 3, 1981
- Ciba-Geigy AG
- Ekkehard Kramp
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Quinoxaline bleach catalysts
- Patent number 4,216,320
- Issue date Aug 5, 1980
- Ciba-Geigy AG
- Gerald Jan
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Quinoxalines and their use in photographic processes
- Patent number 4,202,698
- Issue date May 13, 1980
- Ciba-Geigy AG
- Gerald Jan
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Quinoxalines and their use in photographic processes
- Patent number 4,145,217
- Issue date Mar 20, 1979
- Ciba-Geigy AG
- Gerald Jan
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Photographic developing process
- Patent number 4,141,734
- Issue date Feb 27, 1979
- Ciba-Geiby AG
- John Lenoir
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Photographic material containing sulphonic acid group containing di...
- Patent number 4,118,232
- Issue date Oct 3, 1978
- Ciba-Geigy AG
- Bernhard Piller
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Sulfonic-acid-group containing disazo dyestuffs
- Patent number 4,051,123
- Issue date Sep 27, 1977
- Ciba-Geigy AG
- Bernhard Piller
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Dye bleach preparation for the photographic silver dye bleach process
- Patent number 3,961,957
- Issue date Jun 8, 1976
- Ciba-Geigy AG
- Ekkehard Kramp
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Process for the manufacture of nuclear-sulphonated compounds
- Patent number 3,957,860
- Issue date May 18, 1976
- Ciba-Geigy AG
- John Lenoir
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Heterocyclic containing disazo compounds
- Patent number 3,931,142
- Issue date Jan 6, 1976
- Ciba-Geigy AG
- John Lenoir
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

John Lenoir

Person

Patents Grantslast 30 patents

Photographic silver dye bleach materials containing formyl-substitu...

Oil-soluble disazo dyes and their use in color-photographic recordi...

Azo dyes containing phosphamic acid diester groups

Monoazo dyes containing phosphamic acid diester groups

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

Quinoxalines and their use in photographic processes

Process for the prevention of darkening and the formation of a sedi...

Quinoxaline bleach catalysts

Quinoxalines and their use in photographic processes

Quinoxalines and their use in photographic processes

Photographic developing process

Photographic material containing sulphonic acid group containing di...

Sulfonic-acid-group containing disazo dyestuffs

Dye bleach preparation for the photographic silver dye bleach process

Process for the manufacture of nuclear-sulphonated compounds

Heterocyclic containing disazo compounds