FR2320290B1 - - Google Patents

Info

Publication number
FR2320290B1
FR2320290B1 FR7623777A FR7623777A FR2320290B1 FR 2320290 B1 FR2320290 B1 FR 2320290B1 FR 7623777 A FR7623777 A FR 7623777A FR 7623777 A FR7623777 A FR 7623777A FR 2320290 B1 FR2320290 B1 FR 2320290B1
Authority
FR
France
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
FR7623777A
Other languages
French (fr)
Other versions
FR2320290A1 (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
Priority claimed from US05/700,982 external-priority patent/US4031127A/en
Priority claimed from US05/701,050 external-priority patent/US4030925A/en
Application filed by Eastman Kodak Co filed Critical Eastman Kodak Co
Publication of FR2320290A1 publication Critical patent/FR2320290A1/en
Application granted granted Critical
Publication of FR2320290B1 publication Critical patent/FR2320290B1/fr
Granted legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C335/00—Thioureas, i.e. compounds containing any of the groups, the nitrogen atoms not being part of nitro or nitroso groups
    • C07C335/04—Derivatives of thiourea
    • C07C335/16—Derivatives of thiourea having nitrogen atoms of thiourea groups bound to carbon atoms of six-membered aromatic rings of a carbon skeleton
    • C07C335/20—Derivatives of thiourea having nitrogen atoms of thiourea groups bound to carbon atoms of six-membered aromatic rings of a carbon skeleton being further substituted by nitrogen atoms, not being part of nitro or nitroso groups
    • 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
    • G03C1/485—Direct positive emulsions
    • G03C1/48538—Direct positive emulsions non-prefogged, i.e. fogged after imagewise exposure
    • G03C1/48546—Direct positive emulsions non-prefogged, i.e. fogged after imagewise exposure characterised by the nucleating/fogging agent
    • 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
    • G03C1/485—Direct positive emulsions
    • G03C1/48538—Direct positive emulsions non-prefogged, i.e. fogged after imagewise exposure
    • G03C1/48546—Direct positive emulsions non-prefogged, i.e. fogged after imagewise exposure characterised by the nucleating/fogging agent
    • G03C1/48561—Direct positive emulsions non-prefogged, i.e. fogged after imagewise exposure characterised by the nucleating/fogging agent hydrazine compounds

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)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
FR7623777A 1975-08-06 1976-08-04 NEW ACYLHYDRAZINOPHENYLTHIOUREES AND THEIR APPLICATIONS AS NUCLEATION AGENTS IN PHOTOGRAPHY Granted FR2320290A1 (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US60189175A 1975-08-06 1975-08-06
US60188875A 1975-08-06 1975-08-06
US05/700,982 US4031127A (en) 1975-08-06 1976-06-29 Acyl hydrazino thiourea derivatives as photographic nucleating agents
US05/701,050 US4030925A (en) 1975-08-06 1976-06-29 Photographic compositions and elements including internal latent image silver halide grains and acylhydrazinophenylthiourea nucleating agents therefor

Publications (2)

Publication Number Publication Date
FR2320290A1 FR2320290A1 (en) 1977-03-04
FR2320290B1 true FR2320290B1 (en) 1979-05-04

Family

ID=27505055

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7623777A Granted FR2320290A1 (en) 1975-08-06 1976-08-04 NEW ACYLHYDRAZINOPHENYLTHIOUREES AND THEIR APPLICATIONS AS NUCLEATION AGENTS IN PHOTOGRAPHY

Country Status (5)

Country Link
JP (1) JPS601616B2 (en)
CA (1) CA1061363A (en)
DE (2) DE2635316C3 (en)
FR (1) FR2320290A1 (en)
GB (1) GB1550946A (en)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4080207A (en) * 1976-06-29 1978-03-21 Eastman Kodak Company Radiation-sensitive compositions and photographic elements containing N-(acylhydrazinophenyl) thioamide nucleating agents
FR2409533A1 (en) * 1977-11-17 1979-06-15 Kodak Pathe Aryl azo carboxylate nucleating agents - for direct positive photographic internal image silver halide emulsions
JPS5937492B2 (en) * 1977-11-28 1984-09-10 富士写真フイルム株式会社 Direct positive silver halide photosensitive material
JPS5931691B2 (en) * 1978-11-30 1984-08-03 富士写真フイルム株式会社 Direct positive silver halide photosensitive material
DE3067429D1 (en) * 1979-07-11 1984-05-17 Eastman Kodak Co Silver halide emulsions containing a nucleating agent, photographic elements, film unit and processes for the production of direct positive images
FR2497367B1 (en) * 1980-10-16 1987-08-14 Kodak Pathe POSITIVE-DIRECT SILVER HALIDE EMULSION WITH INCORPORATED NUCLEATION AGENT
EP0050558B1 (en) * 1980-10-16 1985-07-17 EASTMAN KODAK COMPANY (a New Jersey corporation) Photographic emulsions and elements capable of forming direct-positive images
JPS60443A (en) * 1983-06-17 1985-01-05 Fuji Photo Film Co Ltd Direct positive silver halide photosensitive material prevented from re-reversed negative image
JPS61250636A (en) 1985-04-30 1986-11-07 Fuji Photo Film Co Ltd Heat developable photosensitive material
EP0224214B1 (en) 1985-11-21 1993-01-27 Fuji Photo Film Co., Ltd. Light-sensitive microcapsule containing polymerizable compound and silver halide, and light-sensitive material employing the same
JPH0619570B2 (en) 1986-02-07 1994-03-16 富士写真フイルム株式会社 Photosensitive material

Also Published As

Publication number Publication date
DE2635316A1 (en) 1977-03-03
JPS601616B2 (en) 1985-01-16
DE2635317A1 (en) 1977-02-24
FR2320290A1 (en) 1977-03-04
JPS5320318A (en) 1978-02-24
DE2635317C2 (en) 1982-06-03
GB1550946A (en) 1979-08-22
DE2635316B2 (en) 1980-10-02
DE2635316C3 (en) 1981-07-02
CA1061363A (en) 1979-08-28

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