GB191514714A - Improvements in the Manufacture of Photographic Developers. - Google Patents
Improvements in the Manufacture of Photographic Developers.Info
- Publication number
- GB191514714A GB191514714A GB191514714DA GB191514714A GB 191514714 A GB191514714 A GB 191514714A GB 191514714D A GB191514714D A GB 191514714DA GB 191514714 A GB191514714 A GB 191514714A
- Authority
- GB
- United Kingdom
- Prior art keywords
- manufacture
- ferrous
- photographic developers
- neutral
- elektrochemlsche
- 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
- 238000004519 manufacturing process Methods 0.000 title 1
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N Iron oxide Chemical compound [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 abstract 2
- 230000007935 neutral effect Effects 0.000 abstract 2
- BVKZGUZCCUSVTD-UHFFFAOYSA-N carbonic acid Chemical compound OC(O)=O BVKZGUZCCUSVTD-UHFFFAOYSA-N 0.000 abstract 1
- IRXRGVFLQOSHOH-UHFFFAOYSA-L dipotassium;oxalate Chemical compound [K+].[K+].[O-]C(=O)C([O-])=O IRXRGVFLQOSHOH-UHFFFAOYSA-L 0.000 abstract 1
- 235000003891 ferrous sulphate Nutrition 0.000 abstract 1
- 239000011790 ferrous sulphate Substances 0.000 abstract 1
- 150000003839 salts Chemical class 0.000 abstract 1
- 229940023144 sodium glycolate Drugs 0.000 abstract 1
- 239000007787 solid Substances 0.000 abstract 1
- JEJAMASKDTUEBZ-UHFFFAOYSA-N tris(1,1,3-tribromo-2,2-dimethylpropyl) phosphate Chemical compound BrCC(C)(C)C(Br)(Br)OP(=O)(OC(Br)(Br)C(C)(C)CBr)OC(Br)(Br)C(C)(C)CBr JEJAMASKDTUEBZ-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
- G03C5/264—Supplying of photographic processing chemicals; Preparation or packaging thereof
- G03C5/265—Supplying of photographic processing chemicals; Preparation or packaging thereof of powders, granulates, tablets
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Heat Sensitive Colour Forming Recording (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Silver Salt Photography Or Processing Solution Therefor (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE512109X | 1914-10-03 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB191514714A true GB191514714A (en) | 1916-05-18 |
Family
ID=6548031
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB191514714D Expired GB191514714A (en) | 1914-10-03 | 1915-10-18 | Improvements in the Manufacture of Photographic Developers. |
Country Status (4)
| Country | Link |
|---|---|
| DE (1) | DE286727C (https=) |
| FR (1) | FR512109A (https=) |
| GB (1) | GB191514714A (https=) |
| NL (1) | NL2913C (https=) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2531832A (en) * | 1947-06-12 | 1950-11-28 | Du Pont | Silver halide developers containing polyethylene glycols |
-
0
- DE DENDAT286727D patent/DE286727C/de active Active
- NL NL2913D patent/NL2913C/xx active
-
1915
- 1915-10-18 GB GB191514714D patent/GB191514714A/en not_active Expired
- 1915-11-26 FR FR512109A patent/FR512109A/fr not_active Expired
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2531832A (en) * | 1947-06-12 | 1950-11-28 | Du Pont | Silver halide developers containing polyethylene glycols |
Also Published As
| Publication number | Publication date |
|---|---|
| FR512109A (fr) | 1921-01-15 |
| DE286727C (https=) | |
| NL2913C (https=) |
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