GB1026780A - Process for the production of colour images by the silver dyestuff bleaching method - Google Patents
Process for the production of colour images by the silver dyestuff bleaching methodInfo
- Publication number
- GB1026780A GB1026780A GB3802563A GB3802563A GB1026780A GB 1026780 A GB1026780 A GB 1026780A GB 3802563 A GB3802563 A GB 3802563A GB 3802563 A GB3802563 A GB 3802563A GB 1026780 A GB1026780 A GB 1026780A
- Authority
- GB
- United Kingdom
- Prior art keywords
- sulphonic acid
- hydroxybenzo
- phenazine
- production
- bleaching method
- 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
- 238000000034 method Methods 0.000 title 2
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 title 1
- 238000004061 bleaching Methods 0.000 title 1
- 239000000975 dye Substances 0.000 title 1
- 229910052709 silver Inorganic materials 0.000 title 1
- 239000004332 silver Substances 0.000 title 1
- HNTJOKZKOJRZKT-UHFFFAOYSA-N OC1=CC(=CC=2C1=CC=C1N=C3C=CC=CC3=NC21)S(=O)(=O)O Chemical compound OC1=CC(=CC=2C1=CC=C1N=C3C=CC=CC3=NC21)S(=O)(=O)O HNTJOKZKOJRZKT-UHFFFAOYSA-N 0.000 abstract 2
- 230000008878 coupling Effects 0.000 abstract 2
- 238000010168 coupling process Methods 0.000 abstract 2
- 238000005859 coupling reaction Methods 0.000 abstract 2
- HVBSAKJJOYLTQU-UHFFFAOYSA-N 4-aminobenzenesulfonic acid Chemical compound NC1=CC=C(S(O)(=O)=O)C=C1 HVBSAKJJOYLTQU-UHFFFAOYSA-N 0.000 abstract 1
- ZCJNZQBDUDVFCV-UHFFFAOYSA-N 8-amino-4-hydroxy-7-phenylnaphthalene-2-sulfonic acid Chemical compound C1=CC2=C(O)C=C(S(O)(=O)=O)C=C2C(N)=C1C1=CC=CC=C1 ZCJNZQBDUDVFCV-UHFFFAOYSA-N 0.000 abstract 1
- SRSXLGNVWSONIS-UHFFFAOYSA-N benzenesulfonic acid Chemical compound OS(=O)(=O)C1=CC=CC=C1 SRSXLGNVWSONIS-UHFFFAOYSA-N 0.000 abstract 1
- JVBXVOWTABLYPX-UHFFFAOYSA-L sodium dithionite Chemical compound [Na+].[Na+].[O-]S(=O)S([O-])=O JVBXVOWTABLYPX-UHFFFAOYSA-L 0.000 abstract 1
- -1 sulphophenylazo group Chemical group 0.000 abstract 1
- 235000011149 sulphuric acid Nutrition 0.000 abstract 1
- 239000001117 sulphuric acid Substances 0.000 abstract 1
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
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Silver Salt Photography Or Processing Solution Therefor (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Catalysts (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CH1176062A CH428433A (de) | 1962-10-05 | 1962-10-05 | Verfahren zur Herstellung farbiger photographischer Bilder nach der Silberfarbbleichmethode |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1026780A true GB1026780A (en) | 1966-04-20 |
Family
ID=4376620
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB3802563A Expired GB1026780A (en) | 1962-10-05 | 1963-09-26 | Process for the production of colour images by the silver dyestuff bleaching method |
Country Status (8)
| Country | Link |
|---|---|
| BE (1) | BE638223A (enExample) |
| CH (1) | CH428433A (enExample) |
| DE (1) | DE1190788B (enExample) |
| DK (1) | DK114390B (enExample) |
| ES (1) | ES292214A1 (enExample) |
| GB (1) | GB1026780A (enExample) |
| NL (1) | NL298840A (enExample) |
| SE (1) | SE315199B (enExample) |
-
0
- BE BE638223D patent/BE638223A/xx unknown
- NL NL298840D patent/NL298840A/xx unknown
-
1962
- 1962-10-05 CH CH1176062A patent/CH428433A/de unknown
-
1963
- 1963-09-24 DK DK448763A patent/DK114390B/da unknown
- 1963-09-26 GB GB3802563A patent/GB1026780A/en not_active Expired
- 1963-10-04 ES ES292214A patent/ES292214A1/es not_active Expired
- 1963-10-04 SE SE1090163A patent/SE315199B/xx unknown
- 1963-10-04 DE DEC31047A patent/DE1190788B/de active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| SE315199B (enExample) | 1969-09-22 |
| DK114390B (da) | 1969-06-23 |
| BE638223A (enExample) | |
| CH428433A (de) | 1967-01-15 |
| ES292214A1 (es) | 1964-03-01 |
| NL298840A (enExample) | |
| DE1190788B (de) | 1965-04-08 |
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