GB614701A - Improvements in or relating to photographic materials and processing solutions therefor - Google Patents
Improvements in or relating to photographic materials and processing solutions thereforInfo
- Publication number
- GB614701A GB614701A GB22202/46A GB2220246A GB614701A GB 614701 A GB614701 A GB 614701A GB 22202/46 A GB22202/46 A GB 22202/46A GB 2220246 A GB2220246 A GB 2220246A GB 614701 A GB614701 A GB 614701A
- Authority
- GB
- United Kingdom
- Prior art keywords
- dithiourazole
- phenyldithiourazole
- silver
- maximum density
- addition
- 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
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
- G03C1/06—Silver halide emulsions; Preparation thereof; Physical treatment thereof; Incorporation of additives therein with non-macromolecular additives
- G03C1/34—Fog-inhibitors; Stabilisers; Agents inhibiting latent image regression
- G03C1/346—Organic derivatives of bivalent sulfur, selenium or tellurium
Landscapes
- Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- General Physics & Mathematics (AREA)
- Paper (AREA)
- Silver Salt Photography Or Processing Solution Therefor (AREA)
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
BE474822D BE474822A (ko) | 1946-07-25 | ||
GB22202/46A GB614701A (en) | 1946-07-25 | 1946-07-25 | Improvements in or relating to photographic materials and processing solutions therefor |
US761159A US2534599A (en) | 1946-07-25 | 1947-07-15 | Stabilized gelatino silver halide photographic emulsion |
FR950146D FR950146A (fr) | 1946-07-25 | 1947-07-25 | Perfectionnements aux couches sensibles pour la photographie |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB22202/46A GB614701A (en) | 1946-07-25 | 1946-07-25 | Improvements in or relating to photographic materials and processing solutions therefor |
Publications (1)
Publication Number | Publication Date |
---|---|
GB614701A true GB614701A (en) | 1948-12-20 |
Family
ID=10175585
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB22202/46A Expired GB614701A (en) | 1946-07-25 | 1946-07-25 | Improvements in or relating to photographic materials and processing solutions therefor |
Country Status (4)
Country | Link |
---|---|
US (1) | US2534599A (ko) |
BE (1) | BE474822A (ko) |
FR (1) | FR950146A (ko) |
GB (1) | GB614701A (ko) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2857275A (en) * | 1954-11-08 | 1958-10-21 | Polaroid Corp | Photographic compositions and processes |
BE554712A (ko) * | 1954-11-23 | |||
US3396017A (en) * | 1964-10-23 | 1968-08-06 | Eastman Kodak Co | Light-developable direct-print silver halide emulsions containing urazole compounds as halogen acceptors |
DE2336721A1 (de) * | 1973-07-19 | 1975-02-06 | Agfa Gevaert Ag | Farbphotographisches mehrschichtenmaterial mit verbesserter farbdichte |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1560240A (en) * | 1924-08-11 | 1925-11-03 | Jelley Edwin Ernest | Photographic sensitizer |
BE390036A (ko) * | 1928-01-31 | |||
CH163039A (de) * | 1931-07-24 | 1933-07-31 | Ig Farbenindustrie Ag | Verfahren zur Herstellung von lichtempfindlichen Silbersalzemulsionen. |
FR768015A (fr) * | 1934-01-06 | 1934-07-30 | Dressler & Walther | Procédé de préparation de gélatines pour opérations photochimiques |
US2353754A (en) * | 1942-11-07 | 1944-07-18 | Eastman Kodak Co | Color photography using metallic salt coupler compounds |
GB573105A (en) * | 1943-11-26 | 1945-11-06 | Leonard Vincent Chilton | Improvements in or relating to photographic materials |
-
0
- BE BE474822D patent/BE474822A/xx unknown
-
1946
- 1946-07-25 GB GB22202/46A patent/GB614701A/en not_active Expired
-
1947
- 1947-07-15 US US761159A patent/US2534599A/en not_active Expired - Lifetime
- 1947-07-25 FR FR950146D patent/FR950146A/fr not_active Expired
Also Published As
Publication number | Publication date |
---|---|
US2534599A (en) | 1950-12-19 |
FR950146A (fr) | 1949-09-19 |
BE474822A (ko) |
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