BE548687A - - Google Patents
Info
- Publication number
- BE548687A BE548687A BE548687DA BE548687A BE 548687 A BE548687 A BE 548687A BE 548687D A BE548687D A BE 548687DA BE 548687 A BE548687 A BE 548687A
- Authority
- BE
- Belgium
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D487/00—Heterocyclic compounds containing nitrogen atoms as the only ring hetero atoms in the condensed system, not provided for by groups C07D451/00 - C07D477/00
- C07D487/02—Heterocyclic compounds containing nitrogen atoms as the only ring hetero atoms in the condensed system, not provided for by groups C07D451/00 - C07D477/00 in which the condensed system contains two hetero rings
- C07D487/04—Ortho-condensed systems
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D249/00—Heterocyclic compounds containing five-membered rings having three nitrogen atoms as the only ring hetero atoms
- C07D249/02—Heterocyclic compounds containing five-membered rings having three nitrogen atoms as the only ring hetero atoms not condensed with other rings
- C07D249/08—1,2,4-Triazoles; Hydrogenated 1,2,4-triazoles
- C07D249/10—1,2,4-Triazoles; Hydrogenated 1,2,4-triazoles with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached to ring carbon atoms
- C07D249/14—Nitrogen atoms
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- 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
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US515785A US2835581A (en) | 1955-06-15 | 1955-06-15 | Tetrazaindenes and photographic emulsions containing them |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE548687A true BE548687A (en) |
Family
ID=24052726
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE548687D BE548687A (en) | 1955-06-15 |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US2835581A (en) |
| BE (1) | BE548687A (en) |
| FR (1) | FR1158160A (en) |
| GB (1) | GB814823A (en) |
Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3053657A (en) * | 1959-05-04 | 1962-09-11 | Eastman Kodak Co | Photographic silver halide diffusion transfer process |
| CA685877A (en) * | 1961-03-27 | 1964-05-05 | Canadian Kodak Co. Limited | Photographic multicolor diffusion transfer process using dye developers |
| US4078937A (en) * | 1974-11-26 | 1978-03-14 | Fuji Photo Film Co., Ltd. | Process for sensitizing a fine grain silver halide photographic emulsion |
| US4302525A (en) * | 1978-06-26 | 1981-11-24 | Polaroid Corporation | Novel photosensitive elements and method of stabilizing said elements |
| US4332888A (en) * | 1978-11-20 | 1982-06-01 | Polaroid Corporation | Method for stabilizing and spectrally sensitizing photosensitive silver halide emulsion |
| JPS60122935A (en) * | 1983-12-07 | 1985-07-01 | Konishiroku Photo Ind Co Ltd | Preparation of silver halide emulsion |
| DE3582707D1 (en) * | 1984-07-28 | 1991-06-06 | Konishiroku Photo Ind | SILVER HALOGENID GRAINS, THEIR PRODUCTION AND LIGHT-SENSITIVE PHOTOGRAPHIC MATERIAL THAT CONTAINS THIS. |
| US4863843A (en) * | 1984-10-30 | 1989-09-05 | Mitsubishi Paper Mills, Ltd. | Silver halide photographic emulsion containing predominantly silver bromide |
| IT1179519B (en) | 1984-12-17 | 1987-09-16 | Minnesota Mining & Mfg | PHOTOSENSITIVE MATERIAL WITH SILVER HALIDES FOR OBTAINING HALF-TINTED BLACK AND WHITE IMAGES AND METHOD FOR REPRODUCTION WITH HALF TINT AT HIGH CONTRAST |
| US4888273A (en) * | 1988-02-26 | 1989-12-19 | Polaroid Corporation | Stabilized tabular silver halide grain emulsions |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2407204A (en) * | 1944-07-22 | 1946-09-03 | American Cyanamid Co | Triazolo (d) pyrimidines and methods of preparing the same |
| US2449225A (en) * | 1946-10-22 | 1948-09-14 | Gen Aniline & Film Corp | 7-amino and 7-hydroxy-1, 3, 4-triazaindolizines as stabilizers for photographic silver-halide emulsions |
| US2519715A (en) * | 1947-11-12 | 1950-08-22 | American Cyanamid Co | 1-carbamyl-4-heterocyclopiperazines |
| BE510333A (en) * | 1951-03-30 | |||
| US2673152A (en) * | 1953-02-16 | 1954-03-23 | Eastman Kodak Co | Azopyridine compounds as fog inhibitors for photographic emulsions |
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0
- BE BE548687D patent/BE548687A/xx unknown
-
1955
- 1955-06-15 US US515785A patent/US2835581A/en not_active Expired - Lifetime
-
1956
- 1956-06-13 GB GB18232/56A patent/GB814823A/en not_active Expired
- 1956-06-15 FR FR1158160D patent/FR1158160A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| US2835581A (en) | 1958-05-20 |
| FR1158160A (en) | 1958-06-11 |
| GB814823A (en) | 1959-06-10 |