GB1326495A - Photographic developer concentrates - Google Patents
Photographic developer concentratesInfo
- Publication number
- GB1326495A GB1326495A GB2594071A GB2594071A GB1326495A GB 1326495 A GB1326495 A GB 1326495A GB 2594071 A GB2594071 A GB 2594071A GB 2594071 A GB2594071 A GB 2594071A GB 1326495 A GB1326495 A GB 1326495A
- Authority
- GB
- United Kingdom
- Prior art keywords
- sulphite
- concentrate
- developer
- preparing
- water
- 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
- 239000012141 concentrate Substances 0.000 title abstract 4
- 235000008504 concentrate Nutrition 0.000 abstract 3
- CIWBSHSKHKDKBQ-JLAZNSOCSA-N Ascorbic acid Chemical compound OC[C@H](O)[C@H]1OC(=O)C(O)=C1O CIWBSHSKHKDKBQ-JLAZNSOCSA-N 0.000 abstract 2
- QIGBRXMKCJKVMJ-UHFFFAOYSA-N Hydroquinone Chemical compound OC1=CC=C(O)C=C1 QIGBRXMKCJKVMJ-UHFFFAOYSA-N 0.000 abstract 2
- -1 silver halide Chemical class 0.000 abstract 2
- LSNNMFCWUKXFEE-UHFFFAOYSA-L sulfite Chemical compound [O-]S([O-])=O LSNNMFCWUKXFEE-UHFFFAOYSA-L 0.000 abstract 2
- CIWBSHSKHKDKBQ-DUZGATOHSA-N D-isoascorbic acid Chemical compound OC[C@@H](O)[C@H]1OC(=O)C(O)=C1O CIWBSHSKHKDKBQ-DUZGATOHSA-N 0.000 abstract 1
- 235000010724 Wisteria floribunda Nutrition 0.000 abstract 1
- 230000002378 acidificating effect Effects 0.000 abstract 1
- 229910001513 alkali metal bromide Inorganic materials 0.000 abstract 1
- 235000010323 ascorbic acid Nutrition 0.000 abstract 1
- 229960005070 ascorbic acid Drugs 0.000 abstract 1
- 239000011668 ascorbic acid Substances 0.000 abstract 1
- KGBXLFKZBHKPEV-UHFFFAOYSA-N boric acid Chemical compound OB(O)O KGBXLFKZBHKPEV-UHFFFAOYSA-N 0.000 abstract 1
- 239000004327 boric acid Substances 0.000 abstract 1
- 239000006172 buffering agent Substances 0.000 abstract 1
- 239000004615 ingredient Substances 0.000 abstract 1
- 235000014666 liquid concentrate Nutrition 0.000 abstract 1
- 239000000463 material Substances 0.000 abstract 1
- 230000007935 neutral effect Effects 0.000 abstract 1
- 239000003960 organic solvent Substances 0.000 abstract 1
- 150000003839 salts Chemical class 0.000 abstract 1
- 229910052709 silver Inorganic materials 0.000 abstract 1
- 239000004332 silver Substances 0.000 abstract 1
- 235000010352 sodium erythorbate Nutrition 0.000 abstract 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-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
- G03C5/00—Photographic processes or agents therefor; Regeneration of such processing agents
- G03C5/26—Processes using silver-salt-containing photosensitive materials or agents therefor
- G03C5/29—Development processes or agents therefor
- G03C5/305—Additives other than developers
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 |
|---|---|---|---|
| JP2370670 | 1970-03-20 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1326495A true GB1326495A (en) | 1973-08-15 |
Family
ID=12117788
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB2594071A Expired GB1326495A (en) | 1970-03-20 | 1971-04-19 | Photographic developer concentrates |
Country Status (5)
| Country | Link |
|---|---|
| BE (1) | BE764628A (enExample) |
| CA (1) | CA958269A (enExample) |
| DE (1) | DE2113587A1 (enExample) |
| FR (1) | FR2084898A5 (enExample) |
| GB (1) | GB1326495A (enExample) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5342741A (en) * | 1992-07-10 | 1994-08-30 | Fuji Photo Film Co., Ltd. | Method of processing silver halide photographic material and composition for processing |
| GB2292813A (en) * | 1994-08-27 | 1996-03-06 | Ilford Ltd | Photographic developer |
| GB2303462A (en) * | 1995-07-13 | 1997-02-19 | Ilford Ltd | Photographic developers |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4549968A (en) * | 1984-05-18 | 1985-10-29 | Betz Laboratories, Inc. | Method of utilizing improved stability oxygen scavenger compositions |
-
1971
- 1971-03-18 CA CA108,051A patent/CA958269A/en not_active Expired
- 1971-03-19 FR FR7109735A patent/FR2084898A5/fr not_active Expired
- 1971-03-20 DE DE19712113587 patent/DE2113587A1/de active Pending
- 1971-03-22 BE BE764628A patent/BE764628A/xx unknown
- 1971-04-19 GB GB2594071A patent/GB1326495A/en not_active Expired
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5342741A (en) * | 1992-07-10 | 1994-08-30 | Fuji Photo Film Co., Ltd. | Method of processing silver halide photographic material and composition for processing |
| GB2292813A (en) * | 1994-08-27 | 1996-03-06 | Ilford Ltd | Photographic developer |
| GB2292813B (en) * | 1994-08-27 | 1999-02-03 | Ilford Ltd | Photographic silver halide developing solution |
| GB2303462A (en) * | 1995-07-13 | 1997-02-19 | Ilford Ltd | Photographic developers |
Also Published As
| Publication number | Publication date |
|---|---|
| CA958269A (en) | 1974-11-26 |
| FR2084898A5 (enExample) | 1971-12-17 |
| BE764628A (fr) | 1971-08-16 |
| DE2113587A1 (de) | 1971-10-07 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 414F | Notice of opposition given (sect. 14/1949) | ||
| 414B | Case decided by the comptroller ** grants allowed (sect. 14/1949) | ||
| PS | Patent sealed | ||
| PCNP | Patent ceased through non-payment of renewal fee |