GB1363772A - Photographic silver halide emulsions - Google Patents

Photographic silver halide emulsions

Info

Publication number
GB1363772A
GB1363772A GB5034171A GB5034171A GB1363772A GB 1363772 A GB1363772 A GB 1363772A GB 5034171 A GB5034171 A GB 5034171A GB 5034171 A GB5034171 A GB 5034171A GB 1363772 A GB1363772 A GB 1363772A
Authority
GB
United Kingdom
Prior art keywords
optionally substituted
aryl
silver halide
quaternary
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
GB5034171A
Other languages
English (en)
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 GB1363772A publication Critical patent/GB1363772A/en
Expired legal-status Critical Current

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07DHETEROCYCLIC COMPOUNDS
    • C07D263/00Heterocyclic compounds containing 1,3-oxazole or hydrogenated 1,3-oxazole rings
    • C07D263/52Heterocyclic compounds containing 1,3-oxazole or hydrogenated 1,3-oxazole rings condensed with carbocyclic rings or ring systems
    • C07D263/54Benzoxazoles; Hydrogenated benzoxazoles
    • C07D263/56Benzoxazoles; Hydrogenated benzoxazoles with only hydrogen atoms, hydrocarbon or substituted hydrocarbon radicals, directly attached in position 2
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07DHETEROCYCLIC COMPOUNDS
    • C07D277/00Heterocyclic compounds containing 1,3-thiazole or hydrogenated 1,3-thiazole rings
    • C07D277/60Heterocyclic compounds containing 1,3-thiazole or hydrogenated 1,3-thiazole rings condensed with carbocyclic rings or ring systems
    • C07D277/62Benzothiazoles
    • C07D277/64Benzothiazoles with only hydrocarbon or substituted hydrocarbon radicals attached in position 2
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07DHETEROCYCLIC COMPOUNDS
    • C07D293/00Heterocyclic compounds containing rings having nitrogen and selenium or nitrogen and tellurium, with or without oxygen or sulfur atoms, as the ring hetero atoms
    • C07D293/10Heterocyclic 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
    • C07D293/12Selenazoles; Hydrogenated selenazoles
    • GPHYSICS
    • G03PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03CPHOTOSENSITIVE MATERIALS FOR PHOTOGRAPHIC PURPOSES; PHOTOGRAPHIC PROCESSES, e.g. CINE, X-RAY, COLOUR, STEREO-PHOTOGRAPHIC PROCESSES; AUXILIARY PROCESSES IN PHOTOGRAPHY
    • G03C1/00Photosensitive materials
    • G03C1/005Silver halide emulsions; Preparation thereof; Physical treatment thereof; Incorporation of additives therein
    • G03C1/485Direct positive emulsions
    • G03C1/48538Direct positive emulsions non-prefogged, i.e. fogged after imagewise exposure
    • G03C1/48546Direct positive emulsions non-prefogged, i.e. fogged after imagewise exposure characterised by the nucleating/fogging agent

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Silver Salt Photography Or Processing Solution Therefor (AREA)
  • Heterocyclic Carbon Compounds Containing A Hetero Ring Having Nitrogen And Oxygen As The Only Ring Hetero Atoms (AREA)
  • Plural Heterocyclic Compounds (AREA)
  • Pyridine Compounds (AREA)
GB5034171A 1970-10-30 1971-10-29 Photographic silver halide emulsions Expired GB1363772A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US8570970A 1970-10-30 1970-10-30

Publications (1)

Publication Number Publication Date
GB1363772A true GB1363772A (en) 1974-08-14

Family

ID=22193442

Family Applications (1)

Application Number Title Priority Date Filing Date
GB5034171A Expired GB1363772A (en) 1970-10-30 1971-10-29 Photographic silver halide emulsions

Country Status (7)

Country Link
US (1) US3734738A (enExample)
JP (1) JPS5219452B1 (enExample)
BE (1) BE774437A (enExample)
CA (1) CA953144A (enExample)
DE (1) DE2154075C3 (enExample)
FR (1) FR2113039A5 (enExample)
GB (1) GB1363772A (enExample)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3850638A (en) * 1973-04-02 1974-11-26 Eastman Kodak Co Benzimidazole nucleating agents
US4030925A (en) * 1975-08-06 1977-06-21 Eastman Kodak Company Photographic compositions and elements including internal latent image silver halide grains and acylhydrazinophenylthiourea nucleating agents therefor
JPS5814665B2 (ja) * 1975-12-09 1983-03-22 富士写真フイルム株式会社 チヨクセツポジハロゲンカギンカンコウザイリヨウ
US4080207A (en) * 1976-06-29 1978-03-21 Eastman Kodak Company Radiation-sensitive compositions and photographic elements containing N-(acylhydrazinophenyl) thioamide nucleating agents
JPS5319205A (en) * 1976-08-04 1978-02-22 Fuji Photo Film Co Ltd Ps plate for lithographic printing
JPS583535B2 (ja) * 1976-11-25 1983-01-21 コニカ株式会社 直接ポジ画像の形成方法
JPS55138742A (en) * 1979-04-17 1980-10-29 Fuji Photo Film Co Ltd Silver halide emulsion developing method
FR2497367B1 (fr) * 1980-10-16 1987-08-14 Kodak Pathe Emulsion positive-directe aux halogenures d'argent avec agent de nucleation incorpore
US4315986A (en) * 1980-11-10 1982-02-16 Eastman Kodak Company Photographic emulsions and elements capable of forming direct-positive images
US4306017A (en) * 1980-11-17 1981-12-15 Eastman Kodak Company Photographic emulsions and elements capable of forming direct-positive images
CA1170886A (en) * 1981-09-02 1984-07-17 Paul M. Magee Nucleating composition for silver halide including triazole substituted and thiourea substituted phenyl hydrazides
US4504570A (en) * 1982-09-30 1985-03-12 Eastman Kodak Company Direct reversal emulsions and photographic elements useful in image transfer film units
US4471044A (en) * 1983-06-13 1984-09-11 Eastman Kodak Company Silver halide emulsions and photographic elements containing adsorbable alkynyl substituted heterocyclic quaternary ammonium salts
CA1303412C (en) 1985-05-31 1992-06-16 Shigeharu Koboshi Method for forming direct positive color image
JP2520602B2 (ja) * 1986-06-10 1996-07-31 富士写真フイルム株式会社 ハロゲン化銀写真感光材料

Also Published As

Publication number Publication date
DE2154075A1 (de) 1972-05-10
CA953144A (en) 1974-08-20
JPS5219452B1 (enExample) 1977-05-27
FR2113039A5 (enExample) 1972-06-23
US3734738A (en) 1973-05-22
DE2154075B2 (de) 1978-05-18
BE774437A (fr) 1972-02-14
DE2154075C3 (de) 1979-01-18

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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