FR77765E - Colorants for use in the photographic silver bleaching process - Google Patents
Colorants for use in the photographic silver bleaching processInfo
- Publication number
- FR77765E FR77765E FR827892A FR827892A FR77765E FR 77765 E FR77765 E FR 77765E FR 827892 A FR827892 A FR 827892A FR 827892 A FR827892 A FR 827892A FR 77765 E FR77765 E FR 77765E
- Authority
- FR
- France
- Prior art keywords
- colorants
- bleaching process
- photographic silver
- silver bleaching
- photographic
- Prior art date
- 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.)
- Expired
Links
Classifications
-
- 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
- C09B35/00—Disazo and polyazo dyes of the type A<-D->B prepared by diazotising and coupling
- C09B35/02—Disazo dyes
- C09B35/021—Disazo dyes characterised by two coupling components of the same type
- C09B35/027—Disazo dyes characterised by two coupling components of the same type in which the coupling component is a hydroxy-amino compound
-
- 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
- C09B35/00—Disazo and polyazo dyes of the type A<-D->B prepared by diazotising and coupling
- C09B35/02—Disazo dyes
- C09B35/039—Disazo dyes characterised by the tetrazo component
- C09B35/205—Disazo dyes characterised by the tetrazo component the tetrazo component being a derivative of a diaryl- or triaryl- alkane or-alkene
- C09B35/21—Disazo dyes characterised by the tetrazo component the tetrazo component being a derivative of a diaryl- or triaryl- alkane or-alkene of diarylmethane or triarylmethane
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR827892A FR77765E (en) | 1958-12-16 | 1960-05-21 | Colorants for use in the photographic silver bleaching process |
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH6740358A CH376768A (en) | 1958-12-16 | 1958-12-16 | Photographic material for the silver dye bleaching process |
CH7352759A CH380533A (en) | 1958-12-16 | 1959-05-22 | Photographic layer for the silver dye bleaching process |
FR827892A FR77765E (en) | 1958-12-16 | 1960-05-21 | Colorants for use in the photographic silver bleaching process |
Publications (1)
Publication Number | Publication Date |
---|---|
FR77765E true FR77765E (en) | 1962-04-20 |
Family
ID=27178527
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR827892A Expired FR77765E (en) | 1958-12-16 | 1960-05-21 | Colorants for use in the photographic silver bleaching process |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR77765E (en) |
-
1960
- 1960-05-21 FR FR827892A patent/FR77765E/en not_active Expired
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