GB626053A - Improvements in sensitive photographic materials - Google Patents
Improvements in sensitive photographic materialsInfo
- Publication number
- GB626053A GB626053A GB10022/46A GB1002246A GB626053A GB 626053 A GB626053 A GB 626053A GB 10022/46 A GB10022/46 A GB 10022/46A GB 1002246 A GB1002246 A GB 1002246A GB 626053 A GB626053 A GB 626053A
- Authority
- GB
- United Kingdom
- Prior art keywords
- emulsion
- silver
- ammoniacal
- silver salt
- arsenites
- 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
- 239000000839 emulsion Substances 0.000 abstract 14
- WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 abstract 3
- GGCZERPQGJTIQP-UHFFFAOYSA-N sodium;9,10-dioxoanthracene-2-sulfonic acid Chemical compound [Na+].C1=CC=C2C(=O)C3=CC(S(=O)(=O)O)=CC=C3C(=O)C2=C1 GGCZERPQGJTIQP-UHFFFAOYSA-N 0.000 abstract 3
- OAKJQQAXSVQMHS-UHFFFAOYSA-N Hydrazine Chemical compound NN OAKJQQAXSVQMHS-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
- 239000000975 dye Substances 0.000 abstract 2
- -1 meta-arsenites) Chemical class 0.000 abstract 2
- ZUNKMNLKJXRCDM-UHFFFAOYSA-N silver bromoiodide Chemical compound [Ag].IBr ZUNKMNLKJXRCDM-UHFFFAOYSA-N 0.000 abstract 2
- SQGYOTSLMSWVJD-UHFFFAOYSA-N silver(1+) nitrate Chemical compound [Ag+].[O-]N(=O)=O SQGYOTSLMSWVJD-UHFFFAOYSA-N 0.000 abstract 2
- 239000000126 substance Substances 0.000 abstract 2
- CPELXLSAUQHCOX-UHFFFAOYSA-M Bromide Chemical compound [Br-] CPELXLSAUQHCOX-UHFFFAOYSA-M 0.000 abstract 1
- AVXURJPOCDRRFD-UHFFFAOYSA-N Hydroxylamine Chemical compound ON AVXURJPOCDRRFD-UHFFFAOYSA-N 0.000 abstract 1
- 239000004133 Sodium thiosulphate Substances 0.000 abstract 1
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 abstract 1
- 239000005864 Sulphur Substances 0.000 abstract 1
- 239000003513 alkali Substances 0.000 abstract 1
- BIVUUOPIAYRCAP-UHFFFAOYSA-N aminoazanium;chloride Chemical compound Cl.NN BIVUUOPIAYRCAP-UHFFFAOYSA-N 0.000 abstract 1
- GCPXMJHSNVMWNM-UHFFFAOYSA-N arsenous acid Chemical class O[As](O)O GCPXMJHSNVMWNM-UHFFFAOYSA-N 0.000 abstract 1
- 230000015572 biosynthetic process Effects 0.000 abstract 1
- 239000003795 chemical substances by application Substances 0.000 abstract 1
- 239000011248 coating agent Substances 0.000 abstract 1
- 238000000576 coating method Methods 0.000 abstract 1
- 230000029087 digestion Effects 0.000 abstract 1
- 150000004820 halides Chemical class 0.000 abstract 1
- 238000007654 immersion Methods 0.000 abstract 1
- WSFSSNUMVMOOMR-NJFSPNSNSA-N methanone Chemical compound O=[14CH2] WSFSSNUMVMOOMR-NJFSPNSNSA-N 0.000 abstract 1
- ACVYVLVWPXVTIT-UHFFFAOYSA-N phosphinic acid Chemical class O[PH2]=O ACVYVLVWPXVTIT-UHFFFAOYSA-N 0.000 abstract 1
- AQSJGOWTSHOLKH-UHFFFAOYSA-N phosphite(3-) Chemical class [O-]P([O-])[O-] AQSJGOWTSHOLKH-UHFFFAOYSA-N 0.000 abstract 1
- 230000005070 ripening Effects 0.000 abstract 1
- 230000001235 sensitizing effect Effects 0.000 abstract 1
- 229910001961 silver nitrate Inorganic materials 0.000 abstract 1
- HAAYBYDROVFKPU-UHFFFAOYSA-N silver;azane;nitrate Chemical compound N.N.[Ag+].[O-][N+]([O-])=O HAAYBYDROVFKPU-UHFFFAOYSA-N 0.000 abstract 1
- AKHNMLFCWUSKQB-UHFFFAOYSA-L sodium thiosulfate Chemical compound [Na+].[Na+].[O-]S([O-])(=O)=S AKHNMLFCWUSKQB-UHFFFAOYSA-L 0.000 abstract 1
- 235000019345 sodium thiosulphate Nutrition 0.000 abstract 1
- 238000005406 washing Methods 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
- G03C1/00—Photosensitive materials
- G03C1/005—Silver halide emulsions; Preparation thereof; Physical treatment thereof; Incorporation of additives therein
- G03C1/485—Direct positive emulsions
- G03C1/48515—Direct positive emulsions prefogged
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Silver Salt Photography Or Processing Solution Therefor (AREA)
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| BE476292D BE476292A (enrdf_load_stackoverflow) | 1946-04-01 | ||
| GB10022/46A GB626053A (en) | 1946-04-01 | 1946-04-01 | Improvements in sensitive photographic materials |
| US732934A US2500140A (en) | 1946-04-01 | 1947-03-06 | Sensitive photographic materials |
| FR953646D FR953646A (fr) | 1946-04-01 | 1947-09-30 | Perfectionnements aux produits photographiques |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB10022/46A GB626053A (en) | 1946-04-01 | 1946-04-01 | Improvements in sensitive photographic materials |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB626053A true GB626053A (en) | 1949-07-08 |
Family
ID=9959998
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB10022/46A Expired GB626053A (en) | 1946-04-01 | 1946-04-01 | Improvements in sensitive photographic materials |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US2500140A (enrdf_load_stackoverflow) |
| BE (1) | BE476292A (enrdf_load_stackoverflow) |
| FR (1) | FR953646A (enrdf_load_stackoverflow) |
| GB (1) | GB626053A (enrdf_load_stackoverflow) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2717833A (en) * | 1952-05-12 | 1955-09-13 | Sperry Rand Corp | Direct positive emulsions |
| DE2224837A1 (de) * | 1972-05-20 | 1973-11-29 | Agfa Gevaert Ag | Photographisches material zur herstellung direktpositiver photographischer bilder |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3367778A (en) * | 1965-04-15 | 1968-02-06 | Eastman Kodak Co | Silver salt direct positive emulsion |
| US3816135A (en) * | 1972-03-30 | 1974-06-11 | Du Pont | Direct positive silver halide emulsions through synergistic effects of fogging agents and organic reducing agents and/or their oxidized forms |
| DE2263246A1 (de) * | 1972-12-23 | 1974-07-04 | Agfa Gevaert Ag | Photographisches material zur herstellung direktpositiver photographischer bilder |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB462730A (enrdf_load_stackoverflow) * | ||||
| US2005837A (en) * | 1931-07-07 | 1935-06-25 | Agfa Ansco Corp | Manufacture of photographic emulsions |
-
0
- BE BE476292D patent/BE476292A/xx unknown
-
1946
- 1946-04-01 GB GB10022/46A patent/GB626053A/en not_active Expired
-
1947
- 1947-03-06 US US732934A patent/US2500140A/en not_active Expired - Lifetime
- 1947-09-30 FR FR953646D patent/FR953646A/fr not_active Expired
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2717833A (en) * | 1952-05-12 | 1955-09-13 | Sperry Rand Corp | Direct positive emulsions |
| DE2224837A1 (de) * | 1972-05-20 | 1973-11-29 | Agfa Gevaert Ag | Photographisches material zur herstellung direktpositiver photographischer bilder |
Also Published As
| Publication number | Publication date |
|---|---|
| FR953646A (fr) | 1949-12-09 |
| US2500140A (en) | 1950-03-07 |
| BE476292A (enrdf_load_stackoverflow) |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US2751297A (en) | Photographic emulsion layer containing a 3-pyrazolidone | |
| US2675313A (en) | Photographic reproduction process | |
| GB618061A (en) | Improvements in sensitive photographic materials | |
| US2588982A (en) | Direct positive photographs using hydrazine in the emulsion | |
| GB1387033A (en) | Photographic direct-positive process and silver halide emulsion therefor | |
| GB1385039A (en) | Photographic silver halide emulsions | |
| US2497875A (en) | Direct positive photographs using aerial fogging developer | |
| US3033682A (en) | Radiation-sensitive emulsions, elements, and processes for making same | |
| GB690997A (en) | Process and photographic material for the direct production of positive photographic images | |
| GB778792A (en) | Improvements in photographic reproduction processes and in developers and sensitive emulsions therefor | |
| US3565632A (en) | Hardening of gelatin | |
| GB626053A (en) | Improvements in sensitive photographic materials | |
| US2456953A (en) | Photographic reversal processes | |
| US2230977A (en) | Single solution photographic developing and fixing bath | |
| US3023102A (en) | Direct positive photographic emulsion | |
| GB583648A (en) | Improvements in photographic materials | |
| US3420667A (en) | Substituted quinones and dimine quinones as silver halide sensitizers | |
| US3615511A (en) | Surface developer with heterocyclic mercaptan for use on internal image emulsion | |
| US3993490A (en) | Direct positive photographic elements containing developers | |
| US3458316A (en) | Light sensitive silver halide emulsions | |
| US3565620A (en) | Photographic processing liquids and method of producing photographic images | |
| US1582050A (en) | Photographic print-out paper and prints made therefrom | |
| GB803783A (en) | Photographic materials | |
| GB1178683A (en) | Sensitive Silver Halide Photographic Materials | |
| GB724001A (en) | Photographic light sensitive silver halide emulsions and process using the same |