GB1051970A - - Google Patents
Info
- Publication number
- GB1051970A GB1051970A GB1051970DA GB1051970A GB 1051970 A GB1051970 A GB 1051970A GB 1051970D A GB1051970D A GB 1051970DA GB 1051970 A GB1051970 A GB 1051970A
- Authority
- GB
- United Kingdom
- Prior art keywords
- pyrazine
- bleaching
- bath
- silver
- dimethyl
- 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.)
- Active
Links
- KYQCOXFCLRTKLS-UHFFFAOYSA-N Pyrazine Chemical compound C1=CN=CC=N1 KYQCOXFCLRTKLS-UHFFFAOYSA-N 0.000 abstract 4
- 238000004061 bleaching Methods 0.000 abstract 4
- 239000003054 catalyst Substances 0.000 abstract 3
- PCNDJXKNXGMECE-UHFFFAOYSA-N Phenazine Natural products C1=CC=CC2=NC3=CC=CC=C3N=C21 PCNDJXKNXGMECE-UHFFFAOYSA-N 0.000 abstract 2
- KKEYFWRCBNTPAC-UHFFFAOYSA-N Terephthalic acid Chemical compound OC(=O)C1=CC=C(C(O)=O)C=C1 KKEYFWRCBNTPAC-UHFFFAOYSA-N 0.000 abstract 2
- WPYMKLBDIGXBTP-UHFFFAOYSA-N benzoic acid Chemical compound OC(=O)C1=CC=CC=C1 WPYMKLBDIGXBTP-UHFFFAOYSA-N 0.000 abstract 2
- 239000007844 bleaching agent Substances 0.000 abstract 2
- 238000000034 method Methods 0.000 abstract 2
- 150000003216 pyrazines Chemical class 0.000 abstract 2
- CXMXRPHRNRROMY-UHFFFAOYSA-N sebacic acid Chemical compound OC(=O)CCCCCCCCC(O)=O CXMXRPHRNRROMY-UHFFFAOYSA-N 0.000 abstract 2
- 229910052709 silver Inorganic materials 0.000 abstract 2
- 239000004332 silver Substances 0.000 abstract 2
- NDRRHMFFDGQFLE-UHFFFAOYSA-N 2-aminophenazin-1-ol Chemical compound C1=CC=CC2=NC3=C(O)C(N)=CC=C3N=C21 NDRRHMFFDGQFLE-UHFFFAOYSA-N 0.000 abstract 1
- 239000005711 Benzoic acid Substances 0.000 abstract 1
- OAKJQQAXSVQMHS-UHFFFAOYSA-N Hydrazine Chemical compound NN OAKJQQAXSVQMHS-UHFFFAOYSA-N 0.000 abstract 1
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 abstract 1
- 235000010233 benzoic acid Nutrition 0.000 abstract 1
- 239000000463 material Substances 0.000 abstract 1
- -1 silver halide Chemical class 0.000 abstract 1
- YCGAZNXXGKTASZ-UHFFFAOYSA-N thiophene-2,5-dicarboxylic acid Chemical compound OC(=O)C1=CC=C(C(O)=O)S1 YCGAZNXXGKTASZ-UHFFFAOYSA-N 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)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CH361864A CH438936A (de) | 1964-03-20 | 1964-03-20 | Verwendung von Pyrazinen als Farbbleichkatalysatoren im Silberfarbbleichverfahren |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1051970A true GB1051970A (en:Method) |
Family
ID=4259842
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB1051970D Active GB1051970A (en:Method) | 1964-03-20 |
Country Status (8)
| Country | Link |
|---|---|
| US (1) | US3394004A (en:Method) |
| AT (1) | AT257358B (en:Method) |
| BE (1) | BE661358A (en:Method) |
| CH (1) | CH438936A (en:Method) |
| DE (1) | DE1269483B (en:Method) |
| ES (1) | ES310746A1 (en:Method) |
| GB (1) | GB1051970A (en:Method) |
| NL (1) | NL6503517A (en:Method) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH543108A (de) * | 1970-09-04 | 1973-10-15 | Ciba Geigy Ag | Verwendung von Chinoxalinen in photographischen Verfahren |
| CH576158A5 (en:Method) * | 1972-02-28 | 1976-05-31 | Ciba Geigy Ag | |
| NL7810745A (nl) * | 1977-10-28 | 1979-05-02 | Ciba Geigy | Werkwijze voor de vervaardiging van fotografische beelden. |
| US4304846A (en) * | 1979-02-09 | 1981-12-08 | Ciba-Geigy Ag | Method for processing silver dye-bleach materials |
| ATE164238T1 (de) * | 1991-06-11 | 1998-04-15 | Jahleel Corp | Bleichbad und seine verwendung in einem silberfarbbleichverfahren |
| US5550009A (en) * | 1995-04-17 | 1996-08-27 | Eastman Kodak Company | Stabilized peroxide bleaching solutions and their use for processing of photographic elements |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| USRE22308E (en) * | 1936-12-14 | 1943-05-11 | Production of colored photographic | |
| BE579274A (en:Method) * | 1958-06-03 |
-
0
- GB GB1051970D patent/GB1051970A/en active Active
-
1964
- 1964-03-20 CH CH361864A patent/CH438936A/de unknown
-
1965
- 1965-03-10 ES ES0310746A patent/ES310746A1/es not_active Expired
- 1965-03-16 US US440303A patent/US3394004A/en not_active Expired - Lifetime
- 1965-03-19 DE DEP1269A patent/DE1269483B/de active Pending
- 1965-03-19 AT AT251865A patent/AT257358B/de active
- 1965-03-19 BE BE661358A patent/BE661358A/xx unknown
- 1965-03-19 NL NL6503517A patent/NL6503517A/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| AT257358B (de) | 1967-10-10 |
| BE661358A (en:Method) | 1965-09-20 |
| US3394004A (en) | 1968-07-23 |
| CH438936A (de) | 1967-06-30 |
| DE1269483B (de) | 1968-05-30 |
| NL6503517A (en:Method) | 1965-09-21 |
| ES310746A1 (es) | 1966-01-01 |
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