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Dive into the research topics where Gerald Jan is active.

Publication


Featured researches published by Gerald Jan.


Archive | 1985

Hydroxyphenyltriazines, process for their preparation and their use as UV absorbers

Mario Fryberg; Gerald Jan; Raul Dr. Mariaca; Ekkehard Dr. Kramp


Archive | 1980

Method for processing silver dye bleach materials

Max Marthaler; Gerald Jan


Archive | 1983

Process for the production of photographic color images by the silver dye bleach process

Eddy Forte; Mario Fryberg; Gerald Jan


Archive | 1977

Quinoxalines and their use in photographic processes

Gerald Jan; Remon Hagen; John Lenoir


Archive | 1981

Process for the production of colored photographic images by the silver dye-bleach process

Gerald Jan


Archive | 1976

Method of processing photographic silver dye bleach materials

Max Meier; Roland Kurzen; Christoph Dr Chylewski; Gerald Jan; Matthias Dr Schellenberg


Archive | 1982

Oil-soluble disazo dyes and their use in color-photographic recording materials for the silver dye bleach process

Gerald Jan; John Lenoir


Archive | 1981

Azo dyestuffs, methods for their preparation and their use as colouring agents in the silver dyestuff bleaching process

John Lenoir; Gerald Jan


Archive | 1980

Process for the treatment of silver dye-bleaching materials, aqueous preparation therefor, concentrate and process for making the preparation

Max Marthaler; Gerald Jan


Archive | 1983

Monoazo dyes containing phosphamic acid diester groups

John Lenoir; Gerald Jan

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