[go: up one dir, main page]

BE774437A - Nouvelle emulsion photographique aux halogenures d'argent positive directe - Google Patents

Nouvelle emulsion photographique aux halogenures d'argent positive directe

Info

Publication number
BE774437A
BE774437A BE774437A BE774437A BE774437A BE 774437 A BE774437 A BE 774437A BE 774437 A BE774437 A BE 774437A BE 774437 A BE774437 A BE 774437A BE 774437 A BE774437 A BE 774437A
Authority
BE
Belgium
Prior art keywords
halograph
photographic emulsion
direct positive
positive silver
new direct
Prior art date
Application number
BE774437A
Other languages
English (en)
Inventor
D W Kurtz Zt J M Harbison
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 BE774437A publication Critical patent/BE774437A/fr

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)
  • Pyridine Compounds (AREA)
  • Plural Heterocyclic Compounds (AREA)
BE774437A 1970-10-30 1971-10-25 Nouvelle emulsion photographique aux halogenures d'argent positive directe BE774437A (fr)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
BE774437A true BE774437A (fr) 1972-02-14

Family

ID=22193442

Family Applications (1)

Application Number Title Priority Date Filing Date
BE774437A BE774437A (fr) 1970-10-30 1971-10-25 Nouvelle emulsion photographique aux halogenures d'argent positive directe

Country Status (7)

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

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 (fr) * 1981-09-02 1984-07-17 Paul M. Magee Composition de nucleation pour halogenure d'argent, renfermant des hydrazides phenyliques a substitution triazolique et thioureique
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
AU588878B2 (en) 1985-05-31 1989-09-28 Konishiroku Photo Industry Co., Ltd. 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
JPS5219452B1 (fr) 1977-05-27
DE2154075A1 (de) 1972-05-10
CA953144A (en) 1974-08-20
GB1363772A (en) 1974-08-14
DE2154075B2 (de) 1978-05-18
US3734738A (en) 1973-05-22
DE2154075C3 (de) 1979-01-18
FR2113039A5 (fr) 1972-06-23

Similar Documents

Publication Publication Date Title
BE752386A (fr) Emulsion photographique a l'halogenure d'argent
BE774437A (fr) Nouvelle emulsion photographique aux halogenures d'argent positive directe
BE770700A (fr) Procede de preparation d'une emulsion photosensible aux halogenures d'argent positive directe
BE774787A (fr) Nouvelle emulsion photographique aux halogenures d'argent positive directe
BE750499A (fr) Emulsion photographique a l'halogenure d'argent
CH483655A (fr) Nouvelle émulsion photographique positive directe
BE770223A (fr) Emulsion aux halogenures d'argent sensibilisee a l'infrarouge
BE752038A (fr) Emulsions photographiques aux halogenures d'argent
BE756535A (fr) Emulsion photographique aux halogenures d'argent sursensibilisee
BE753689A (fr) Emulsion photographique a l'halogenure d'argent supersensibilisee
CH520348A (fr) Emulsion photographique positive directe
BE770292A (fr) Nouvelle emulsion aux halogenures d'argent
BE753808A (fr) Emulsion photographique a l'halogenure d'argent
BE762988A (fr) Emulsion photosensible aux halogenures d'argent positive directe stableen conservation
BE777240A (fr) Nouvelle emulsion photographique positive directe aux halogenures d'argent
BE768187A (fr) Emulsion photographique a l'halogenure d'argent sensibilisee spectralement
BE773073A (fr) Emulsion photographique a l'halogenure d'argent
BE763472A (fr) Nouvelle emulsion aux halogenures d'argent
BE758899A (fr) Emulsion photographique positive directe a l'halogenure d'argent
BE767984A (fr) Emulsion photographique positive directe a l'halogenure d'argent
BE764588A (fr) Emulsions photographiques positives directes aux halogenures d'argent
BE756597A (fr) Emulsion photographique a l'halogenure d'argent
BE771259A (fr) Emulsion photographique d'halogenure d'argent (
BE746882A (fr) Emulsions photographiques aux halogenures d'argent
BE787743A (fr) Perfectionnements relatifs aux emulsions photographiques d'halogenure d'argent