GB1458197A - Photographic silver halide emulsions - Google Patents
Photographic silver halide emulsionsInfo
- Publication number
- GB1458197A GB1458197A GB4767273A GB4767273A GB1458197A GB 1458197 A GB1458197 A GB 1458197A GB 4767273 A GB4767273 A GB 4767273A GB 4767273 A GB4767273 A GB 4767273A GB 1458197 A GB1458197 A GB 1458197A
- Authority
- GB
- United Kingdom
- Prior art keywords
- silver halide
- halide emulsions
- photographic silver
- acetyl
- oct
- 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
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D277/00—Heterocyclic compounds containing 1,3-thiazole or hydrogenated 1,3-thiazole rings
- C07D277/02—Heterocyclic compounds containing 1,3-thiazole or hydrogenated 1,3-thiazole rings not condensed with other rings
- C07D277/04—Heterocyclic compounds containing 1,3-thiazole or hydrogenated 1,3-thiazole rings not condensed with other rings having no double bonds between ring members or between ring members and non-ring members
- C07D277/06—Heterocyclic compounds containing 1,3-thiazole or hydrogenated 1,3-thiazole rings not condensed with other rings having no double bonds between ring members or between ring members and non-ring members 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
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Physics & Mathematics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- General Physics & Mathematics (AREA)
- Nitrogen And Oxygen Or Sulfur-Condensed Heterocyclic Ring Systems (AREA)
Abstract
1458197 Thiazolidine compounds CIBA GEIGY AG 11 Oct 1974 [12 Oct 1973] 47672/73 Heading C2C [Also in Division G2] 5 - Ethyl - 2,2,5 - trimethylthiazolidine - 4- carboxylic acid hydrochloride monohydrate and 5,5 - diethyl - 2,2 - dimethylthiazolidine - 4 - carboxylic acid hydrochloride are made by heating N - acetyl - # - ethyl -# - methylcysteine and N - acetyl - DL - #,# - diethylcysteine respectively with 2M hydrochloric acid and triturating the syrups obtained with acetone.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB4767273A GB1458197A (en) | 1973-10-12 | 1973-10-12 | Photographic silver halide emulsions |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB4767273A GB1458197A (en) | 1973-10-12 | 1973-10-12 | Photographic silver halide emulsions |
Publications (1)
Publication Number | Publication Date |
---|---|
GB1458197A true GB1458197A (en) | 1976-12-08 |
Family
ID=10445864
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB4767273A Expired GB1458197A (en) | 1973-10-12 | 1973-10-12 | Photographic silver halide emulsions |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB1458197A (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2438860A1 (en) * | 1978-10-11 | 1980-05-09 | Du Pont | |
US4508817A (en) * | 1983-05-20 | 1985-04-02 | Fuji Photo Film Co., Ltd. | Method of color photographic processing |
EP0750223A2 (en) * | 1995-06-23 | 1996-12-27 | Minnesota Mining And Manufacturing Company | Alteration of image tone in black and white photographic materials |
-
1973
- 1973-10-12 GB GB4767273A patent/GB1458197A/en not_active Expired
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2438860A1 (en) * | 1978-10-11 | 1980-05-09 | Du Pont | |
US4508817A (en) * | 1983-05-20 | 1985-04-02 | Fuji Photo Film Co., Ltd. | Method of color photographic processing |
EP0750223A2 (en) * | 1995-06-23 | 1996-12-27 | Minnesota Mining And Manufacturing Company | Alteration of image tone in black and white photographic materials |
EP0750223A3 (en) * | 1995-06-23 | 1997-05-28 | Minnesota Mining & Mfg | Alteration of image tone in black and white photographic materials |
US5716773A (en) * | 1995-06-23 | 1998-02-10 | Minnesota Mining And Manufacturing Company | Alteration of image tone in black and white photographic materials |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PS | Patent sealed | ||
PCNP | Patent ceased through non-payment of renewal fee |