PHOTOGRAPHIC HARDENERS

Tris(hydroxymethyl)phosphine and tetrakis(hydroxymethyl)phosphonium salts and condensates are useful in photography to harden proteinaceous peptizers and surface coatings. La présente invention concerne des sels de tris(hydroxyméthyl)phosphine et de tétrakis(hydroxyméthyl)phosphonium et des condensé...

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Bibliographic Details
Main Authors GILBERT, PAUL, DOUGLAS, TALBOT, ROBERT, ERIC
Format Patent
LanguageEnglish
French
Published 06.05.1999
Edition6
Subjects
ADHESIVES
AUXILIARY PROCESSES IN PHOTOGRAPHY
CHEMISTRY
CINEMATOGRAPHY
DYES
ELECTROGRAPHY
HOLOGRAPHY
METALLURGY
MISCELLANEOUS APPLICATIONS OF MATERIALS
MISCELLANEOUS COMPOSITIONS
NATURAL RESINS
PAINTS
PHOTOGRAPHIC PROCESSES, e.g. CINE, X-RAY, COLOUR,STEREO-PHOTOGRAPHIC PROCESSES
PHOTOGRAPHY
PHOTOSENSITIVE MATERIALS FOR PHOTOGRAPHIC PURPOSES
PHYSICS
POLISHES
PREPARATION OF GLUE OR GELATINE
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Summary:Tris(hydroxymethyl)phosphine and tetrakis(hydroxymethyl)phosphonium salts and condensates are useful in photography to harden proteinaceous peptizers and surface coatings. La présente invention concerne des sels de tris(hydroxyméthyl)phosphine et de tétrakis(hydroxyméthyl)phosphonium et des condensés qui sont utilisés en photographie pour durcir les peptisants protéiques et les couches de surface.
Bibliography:Application Number: WO1998EP06788