FR1317394A - Photographic layers for the silver discoloration process - Google Patents
Photographic layers for the silver discoloration processInfo
- Publication number
- FR1317394A FR1317394A FR885127A FR885127A FR1317394A FR 1317394 A FR1317394 A FR 1317394A FR 885127 A FR885127 A FR 885127A FR 885127 A FR885127 A FR 885127A FR 1317394 A FR1317394 A FR 1317394A
- Authority
- FR
- France
- Prior art keywords
- photographic layers
- silver discoloration
- discoloration process
- silver
- 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
-
- 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
-
- 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
- C09B45/00—Complex metal compounds of azo dyes
- C09B45/02—Preparation from dyes containing in o-position a hydroxy group and in o'-position hydroxy, alkoxy, carboxyl, amino or keto groups
- C09B45/14—Monoazo compounds
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR885127A FR1317394A (en) | 1961-02-15 | 1962-01-17 | Photographic layers for the silver discoloration process |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH180861A CH392259A (en) | 1961-02-15 | 1961-02-15 | Photographic layer for the silver dye bleaching process |
FR885127A FR1317394A (en) | 1961-02-15 | 1962-01-17 | Photographic layers for the silver discoloration process |
Publications (1)
Publication Number | Publication Date |
---|---|
FR1317394A true FR1317394A (en) | 1963-02-08 |
Family
ID=25688724
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR885127A Expired FR1317394A (en) | 1961-02-15 | 1962-01-17 | Photographic layers for the silver discoloration process |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR1317394A (en) |
-
1962
- 1962-01-17 FR FR885127A patent/FR1317394A/en not_active Expired
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