FR47320E - Procédé de préparation de colorants et procédé de sensibilisation des émulsions photographiques aux halogénures d'argent avec ces colorants
- Google Patents
Procédé de préparation de colorants et procédé de sensibilisation des émulsions photographiques aux halogénures d'argent avec ces colorants
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Gevaert Photo Producten NV
Original Assignee
Gevaert Photo Producten NV
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Gevaert Photo Producten NVfiledCriticalGevaert Photo Producten NV
Application grantedgrantedCritical
Publication of FR47320EpublicationCriticalpatent/FR47320E/fr
C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
C09B—ORGANIC DYES OR CLOSELY-RELATED COMPOUNDS FOR PRODUCING DYES, e.g. PIGMENTS; MORDANTS; LAKES
C09B23/00—Methine or polymethine dyes, e.g. cyanine dyes
C09B23/14—Styryl dyes
C09B23/145—Styryl dyes the ethylene chain carrying an heterocyclic residue, e.g. heterocycle-CH=CH-C6H5
C—CHEMISTRY; METALLURGY
C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
C09B—ORGANIC DYES OR CLOSELY-RELATED COMPOUNDS FOR PRODUCING DYES, e.g. PIGMENTS; MORDANTS; LAKES
C09B23/00—Methine or polymethine dyes, e.g. cyanine dyes
C09B23/02—Methine or polymethine dyes, e.g. cyanine dyes the polymethine chain containing an odd number of >CH- or >C[alkyl]- groups
Landscapes
Chemical & Material Sciences
(AREA)
Organic Chemistry
(AREA)
FR47320D1936-05-091936-05-09Procédé de préparation de colorants et procédé de sensibilisation des émulsions photographiques aux halogénures d'argent avec ces colorants
ExpiredFR47320E
(fr)
Procédé de préparation de colorants carbocyanines et de sensibilisation d'émulsions photographiques à base d'halogénure d'argent à l'aide de ces colorants