GB729388A - Improvements in single powder photographic developers - Google Patents
Improvements in single powder photographic developersInfo
- Publication number
- GB729388A GB729388A GB17744/53A GB1774453A GB729388A GB 729388 A GB729388 A GB 729388A GB 17744/53 A GB17744/53 A GB 17744/53A GB 1774453 A GB1774453 A GB 1774453A GB 729388 A GB729388 A GB 729388A
- Authority
- GB
- United Kingdom
- Prior art keywords
- sodium
- metaboric acid
- sulphite
- monomethyl
- june
- 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
- 239000000843 powder Substances 0.000 title abstract 2
- GEHJYWRUCIMESM-UHFFFAOYSA-L sodium sulfite Chemical compound [Na+].[Na+].[O-]S([O-])=O GEHJYWRUCIMESM-UHFFFAOYSA-L 0.000 abstract 4
- 239000000203 mixture Substances 0.000 abstract 3
- VGTPKLINSHNZRD-UHFFFAOYSA-N oxoborinic acid Chemical compound OB=O VGTPKLINSHNZRD-UHFFFAOYSA-N 0.000 abstract 3
- NLKNQRATVPKPDG-UHFFFAOYSA-M potassium iodide Chemical compound [K+].[I-] NLKNQRATVPKPDG-UHFFFAOYSA-M 0.000 abstract 3
- CYXJEHCKVOQFOV-UHFFFAOYSA-N (4-amino-2-methylphenyl) hydrogen sulfate Chemical compound CC1=CC(N)=CC=C1OS(O)(=O)=O CYXJEHCKVOQFOV-UHFFFAOYSA-N 0.000 abstract 2
- QIGBRXMKCJKVMJ-UHFFFAOYSA-N Hydroquinone Chemical compound OC1=CC=C(O)C=C1 QIGBRXMKCJKVMJ-UHFFFAOYSA-N 0.000 abstract 2
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 abstract 2
- 239000003795 chemical substances by application Substances 0.000 abstract 2
- IOLCXVTUBQKXJR-UHFFFAOYSA-M potassium bromide Chemical compound [K+].[Br-] IOLCXVTUBQKXJR-UHFFFAOYSA-M 0.000 abstract 2
- -1 silver halide Chemical class 0.000 abstract 2
- 235000010265 sodium sulphite Nutrition 0.000 abstract 2
- LRUDIIUSNGCQKF-UHFFFAOYSA-N 5-methyl-1H-benzotriazole Chemical compound C1=C(C)C=CC2=NNN=C21 LRUDIIUSNGCQKF-UHFFFAOYSA-N 0.000 abstract 1
- BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 abstract 1
- 229910052783 alkali metal Inorganic materials 0.000 abstract 1
- 239000004615 ingredient Substances 0.000 abstract 1
- 239000000837 restrainer Substances 0.000 abstract 1
- 229910052709 silver Inorganic materials 0.000 abstract 1
- 239000004332 silver Substances 0.000 abstract 1
- 229910000029 sodium carbonate Inorganic materials 0.000 abstract 1
- NVIFVTYDZMXWGX-UHFFFAOYSA-N sodium metaborate Chemical compound [Na+].[O-]B=O NVIFVTYDZMXWGX-UHFFFAOYSA-N 0.000 abstract 1
- 239000003381 stabilizer Substances 0.000 abstract 1
- LSNNMFCWUKXFEE-UHFFFAOYSA-L sulfite Chemical compound [O-]S([O-])=O LSNNMFCWUKXFEE-UHFFFAOYSA-L 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)
- Silver Salt Photography Or Processing Solution Therefor (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US295834A US2666703A (en) | 1952-06-26 | 1952-06-26 | Single-powder photographic developers stabilized with metaboric acid |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB729388A true GB729388A (en) | 1955-05-04 |
Family
ID=23139409
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB17744/53A Expired GB729388A (en) | 1952-06-26 | 1953-06-26 | Improvements in single powder photographic developers |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US2666703A (enrdf_load_stackoverflow) |
| BE (1) | BE520998A (enrdf_load_stackoverflow) |
| FR (1) | FR1079629A (enrdf_load_stackoverflow) |
| GB (1) | GB729388A (enrdf_load_stackoverflow) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BE536991A (enrdf_load_stackoverflow) * | 1954-04-01 |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BE509125A (enrdf_load_stackoverflow) * | 1951-02-09 |
-
0
- BE BE520998D patent/BE520998A/xx unknown
-
1952
- 1952-06-26 US US295834A patent/US2666703A/en not_active Expired - Lifetime
-
1953
- 1953-06-26 FR FR1079629D patent/FR1079629A/fr not_active Expired
- 1953-06-26 GB GB17744/53A patent/GB729388A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR1079629A (fr) | 1954-12-01 |
| BE520998A (enrdf_load_stackoverflow) | |
| US2666703A (en) | 1954-01-19 |
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