GB1458197A - Photographic silver halide emulsions - Google Patents

Photographic silver halide emulsions

Info

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
Application number
GB4767273A
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Novartis AG
Original Assignee
Ciba Geigy AG
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Ciba Geigy AG filed Critical Ciba Geigy AG
Priority to GB4767273A priority Critical patent/GB1458197A/en
Publication of GB1458197A publication Critical patent/GB1458197A/en
Expired legal-status Critical Current

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.
GB4767273A 1973-10-12 1973-10-12 Photographic silver halide emulsions Expired GB1458197A (en)

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)

* Cited by examiner, † Cited by third party
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

Cited By (5)

* Cited by examiner, † Cited by third party
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