GB438595A - Improvements in the production of whitish silver images in photographic gelatin silver halide layers - Google Patents
Improvements in the production of whitish silver images in photographic gelatin silver halide layersInfo
- Publication number
- GB438595A GB438595A GB857434A GB857434A GB438595A GB 438595 A GB438595 A GB 438595A GB 857434 A GB857434 A GB 857434A GB 857434 A GB857434 A GB 857434A GB 438595 A GB438595 A GB 438595A
- Authority
- GB
- United Kingdom
- Prior art keywords
- silver
- whitish
- concentration
- silver halide
- per cent
- 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
- 229910052709 silver Inorganic materials 0.000 title abstract 5
- 239000004332 silver Substances 0.000 title abstract 5
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 title abstract 3
- -1 silver halide Chemical class 0.000 title abstract 3
- 229920000159 gelatin Polymers 0.000 title abstract 2
- 235000019322 gelatine Nutrition 0.000 title abstract 2
- 108010010803 Gelatin Proteins 0.000 title 1
- 239000008273 gelatin Substances 0.000 title 1
- 235000011852 gelatine desserts Nutrition 0.000 title 1
- 150000007530 organic bases Chemical class 0.000 abstract 3
- NLXLAEXVIDQMFP-UHFFFAOYSA-N Ammonia chloride Chemical compound [NH4+].[Cl-] NLXLAEXVIDQMFP-UHFFFAOYSA-N 0.000 abstract 2
- PMZURENOXWZQFD-UHFFFAOYSA-L Sodium Sulfate Chemical compound [Na+].[Na+].[O-]S([O-])(=O)=O PMZURENOXWZQFD-UHFFFAOYSA-L 0.000 abstract 2
- QGZKDVFQNNGYKY-UHFFFAOYSA-O Ammonium Chemical compound [NH4+] QGZKDVFQNNGYKY-UHFFFAOYSA-O 0.000 abstract 1
- 239000001828 Gelatine Substances 0.000 abstract 1
- 229940037003 alum Drugs 0.000 abstract 1
- 235000019270 ammonium chloride Nutrition 0.000 abstract 1
- DKVNPHBNOWQYFE-UHFFFAOYSA-N carbamodithioic acid Chemical compound NC(S)=S DKVNPHBNOWQYFE-UHFFFAOYSA-N 0.000 abstract 1
- 239000003795 chemical substances by application Substances 0.000 abstract 1
- OIDPCXKPHYRNKH-UHFFFAOYSA-J chrome alum Chemical compound [K]OS(=O)(=O)O[Cr]1OS(=O)(=O)O1 OIDPCXKPHYRNKH-UHFFFAOYSA-J 0.000 abstract 1
- ZJYYHGLJYGJLLN-UHFFFAOYSA-N guanidinium thiocyanate Chemical compound SC#N.NC(N)=N ZJYYHGLJYGJLLN-UHFFFAOYSA-N 0.000 abstract 1
- 229910017053 inorganic salt Inorganic materials 0.000 abstract 1
- WSFSSNUMVMOOMR-NJFSPNSNSA-N methanone Chemical compound O=[14CH2] WSFSSNUMVMOOMR-NJFSPNSNSA-N 0.000 abstract 1
- 239000000203 mixture Substances 0.000 abstract 1
- JCBJVAJGLKENNC-UHFFFAOYSA-M potassium ethyl xanthate Chemical compound [K+].CCOC([S-])=S JCBJVAJGLKENNC-UHFFFAOYSA-M 0.000 abstract 1
- ZNNZYHKDIALBAK-UHFFFAOYSA-M potassium thiocyanate Chemical compound [K+].[S-]C#N ZNNZYHKDIALBAK-UHFFFAOYSA-M 0.000 abstract 1
- 229940116357 potassium thiocyanate Drugs 0.000 abstract 1
- 150000003839 salts Chemical class 0.000 abstract 1
- 229910052938 sodium sulfate Inorganic materials 0.000 abstract 1
- 235000011152 sodium sulphate Nutrition 0.000 abstract 1
- 239000012991 xanthate 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
- 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)
- Non-Silver Salt Photosensitive Materials And Non-Silver Salt Photography (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Photosensitive Polymer And Photoresist Processing (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DEI54077D DE655852C (de) | 1934-03-03 | 1934-03-03 | Verfahren zur Herstellung weissgefaerbter Silberbilder |
| DEI49146D DE635327C (de) | 1934-03-03 | 1934-03-03 | Verfahren zur Herstellung weiss gefaerbter Silberbilder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB438595A true GB438595A (en) | 1935-11-19 |
Family
ID=27211010
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB857434A Expired GB438595A (en) | 1934-03-03 | 1934-03-19 | Improvements in the production of whitish silver images in photographic gelatin silver halide layers |
Country Status (4)
| Country | Link |
|---|---|
| BE (1) | BE408036A (enrdf_load_stackoverflow) |
| DE (2) | DE635327C (enrdf_load_stackoverflow) |
| FR (1) | FR785971A (enrdf_load_stackoverflow) |
| GB (1) | GB438595A (enrdf_load_stackoverflow) |
-
1934
- 1934-03-03 DE DEI49146D patent/DE635327C/de not_active Expired
- 1934-03-03 DE DEI54077D patent/DE655852C/de not_active Expired
- 1934-03-19 GB GB857434A patent/GB438595A/en not_active Expired
-
1935
- 1935-02-20 FR FR785971D patent/FR785971A/fr not_active Expired
- 1935-02-21 BE BE408036D patent/BE408036A/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| FR785971A (fr) | 1935-08-23 |
| DE635327C (de) | 1936-09-16 |
| DE655852C (de) | 1938-01-25 |
| BE408036A (enrdf_load_stackoverflow) | 1935-03-30 |
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