BE637793A - - Google Patents
Info
- Publication number
- BE637793A BE637793A BE637793DA BE637793A BE 637793 A BE637793 A BE 637793A BE 637793D A BE637793D A BE 637793DA BE 637793 A BE637793 A BE 637793A
- Authority
- BE
- Belgium
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
- C09B35/039—Disazo dyes characterised by the tetrazo component
- C09B35/04—Disazo dyes characterised by the tetrazo component the tetrazo component being a benzene derivative
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- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03C—PHOTOSENSITIVE MATERIALS FOR PHOTOGRAPHIC PURPOSES; PHOTOGRAPHIC PROCESSES, e.g. CINE, X-RAY, COLOUR, STEREO-PHOTOGRAPHIC PROCESSES; AUXILIARY PROCESSES IN PHOTOGRAPHY
- G03C7/00—Multicolour photographic processes or agents therefor; Regeneration of such processing agents; Photosensitive materials for multicolour processes
- G03C7/28—Silver dye bleach processes; Materials therefor; Preparing or processing such materials
- G03C7/29—Azo dyes therefor
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Coloring (AREA)
- Inks, Pencil-Leads, Or Crayons (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB36242/62A GB1028562A (en) | 1962-09-24 | 1962-09-24 | Disazo dyestuffs and their use in colour photography |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE637793A true BE637793A (US06342305-20020129-C00040.png) |
Family
ID=10386298
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE637793D BE637793A (US06342305-20020129-C00040.png) | 1962-09-24 |
Country Status (5)
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH440965A (de) * | 1964-02-13 | 1967-07-31 | Ciba Geigy | Photographisches Material für das Silberfarbbleichverfahren |
| US3503741A (en) * | 1966-11-04 | 1970-03-31 | Eastman Kodak Co | Silver-dye-bleach process utilizing formazan dyes |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA479607A (en) * | 1951-12-18 | Gaspar Bela | Azo dyes for color photography | |
| US1975609A (en) * | 1931-11-06 | 1934-10-02 | Ici Ltd | Azo dye and method for its preparation |
| GB615606A (en) * | 1946-12-30 | 1949-01-07 | Walter Francis Beech | New azo dyestuffs |
| BE488200A (US06342305-20020129-C00040.png) * | 1948-04-02 | |||
| US2779758A (en) * | 1951-09-04 | 1957-01-29 | Saul & Co | Chromable disazo dyestuffs |
| BE567189A (US06342305-20020129-C00040.png) * | 1957-04-29 | |||
| NL267358A (US06342305-20020129-C00040.png) * | 1960-07-22 |
-
0
- DE DENDAT1252058D patent/DE1252058B/de active Pending
- BE BE637793D patent/BE637793A/xx unknown
-
1962
- 1962-09-24 GB GB36242/62A patent/GB1028562A/en not_active Expired
-
1963
- 1963-09-05 US US306685A patent/US3287132A/en not_active Expired - Lifetime
- 1963-09-24 CH CH1176563A patent/CH440962A/de unknown
Also Published As
| Publication number | Publication date |
|---|---|
| DE1252058B (US06342305-20020129-C00040.png) | |
| US3287132A (en) | 1966-11-22 |
| GB1028562A (en) | 1966-05-04 |
| CH440962A (de) | 1967-07-31 |
