GB1390661A - Sensitive silver halide photographic material - Google Patents

Sensitive silver halide photographic material

Info

Publication number
GB1390661A
GB1390661A GB2065172A GB2065172A GB1390661A GB 1390661 A GB1390661 A GB 1390661A GB 2065172 A GB2065172 A GB 2065172A GB 2065172 A GB2065172 A GB 2065172A GB 1390661 A GB1390661 A GB 1390661A
Authority
GB
United Kingdom
Prior art keywords
silver halide
halide photographic
photographic material
sensitive silver
selenourea
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
GB2065172A
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.)
Eastman Kodak Co
Original Assignee
Eastman Kodak Co
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 Eastman Kodak Co filed Critical Eastman Kodak Co
Publication of GB1390661A publication Critical patent/GB1390661A/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
    • C07D293/00—Heterocyclic compounds containing rings having nitrogen and selenium or nitrogen and tellurium, with or without oxygen or sulfur atoms, as the ring hetero atoms
    • C07D293/10—Heterocyclic compounds containing rings having nitrogen and selenium or nitrogen and tellurium, with or without oxygen or sulfur atoms, as the ring hetero atoms condensed with carbocyclic rings or ring systems
    • C07D293/12—Selenazoles; Hydrogenated selenazoles

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)
  • Silver Salt Photography Or Processing Solution Therefor (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)

Abstract

1390661 Selenium compounds EASTMAN KODAK CO 3 May 1972 [3 May 1971] 20651/72 Heading C2C [Also in Division G2] 3 - (Amidino seleno) - 1 propanesulphonic acid is made by heating selenourea with the product obtained by reacting sodium sulphite with 1- bromo - 3 - chloro - propane. 6 - (Amidino seleno) - hexanoic acid hydrobromide is made by heating selenourea with 6-bromohexanoic acid.
GB2065172A 1971-05-03 1972-05-03 Sensitive silver halide photographic material Expired GB1390661A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US00139942A US3811896A (en) 1971-05-03 1971-05-03 Silver halide emulsion stabilized with isoselenoureas or ketoselenozolidines

Publications (1)

Publication Number Publication Date
GB1390661A true GB1390661A (en) 1975-04-16

Family

ID=22489006

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2065172A Expired GB1390661A (en) 1971-05-03 1972-05-03 Sensitive silver halide photographic material

Country Status (5)

Country Link
US (1) US3811896A (en)
BE (1) BE782639A (en)
CA (1) CA976410A (en)
FR (1) FR2135176B1 (en)
GB (1) GB1390661A (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS506323A (en) * 1973-05-15 1975-01-23
US4607000A (en) * 1985-04-04 1986-08-19 Eastman Kodak Company Amido substituted divalent chalcogenide fog inhibiting agents for silver halide photography
US4607001A (en) * 1985-04-04 1986-08-19 Eastman Kodak Company Divalent chalcogenide fog inhibiting agents for silver halide photography
EP0198277B1 (en) * 1985-04-12 1989-05-03 A. Nattermann & Cie. GmbH Diseleno-bis-benzamides of primary and secondary amines, processes for their production and pharmaceutical preparations containing them

Also Published As

Publication number Publication date
CA976410A (en) 1975-10-21
FR2135176A1 (en) 1972-12-15
FR2135176B1 (en) 1976-01-16
US3811896A (en) 1974-05-21
BE782639A (en) 1972-08-16

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee