BE876734A - HALOGENIC ORGANIC COMPOUNDS USED IN DIRECTLY POSITIVE PHOTOGRAPHIC EMULSIONS - Google Patents

HALOGENIC ORGANIC COMPOUNDS USED IN DIRECTLY POSITIVE PHOTOGRAPHIC EMULSIONS

Info

Publication number
BE876734A
BE876734A BE0/195536A BE195536A BE876734A BE 876734 A BE876734 A BE 876734A BE 0/195536 A BE0/195536 A BE 0/195536A BE 195536 A BE195536 A BE 195536A BE 876734 A BE876734 A BE 876734A
Authority
BE
Belgium
Prior art keywords
organic compounds
compounds used
photographic emulsions
positive photographic
directly positive
Prior art date
Application number
BE0/195536A
Other languages
French (fr)
Inventor
R Prados
Original Assignee
Du Pont
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 Du Pont filed Critical Du Pont
Publication of BE876734A publication Critical patent/BE876734A/en

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
    • G03C1/485—Direct positive emulsions
    • G03C1/48515—Direct positive emulsions prefogged
    • G03C1/48523—Direct positive emulsions prefogged characterised by the desensitiser

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Non-Silver Salt Photosensitive Materials And Non-Silver Salt Photography (AREA)
BE0/195536A 1978-06-02 1979-06-01 HALOGENIC ORGANIC COMPOUNDS USED IN DIRECTLY POSITIVE PHOTOGRAPHIC EMULSIONS BE876734A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US91201678A 1978-06-02 1978-06-02

Publications (1)

Publication Number Publication Date
BE876734A true BE876734A (en) 1979-12-03

Family

ID=25431258

Family Applications (1)

Application Number Title Priority Date Filing Date
BE0/195536A BE876734A (en) 1978-06-02 1979-06-01 HALOGENIC ORGANIC COMPOUNDS USED IN DIRECTLY POSITIVE PHOTOGRAPHIC EMULSIONS

Country Status (6)

Country Link
EP (1) EP0016061B1 (en)
JP (1) JPS6161372B2 (en)
BE (1) BE876734A (en)
CA (1) CA1142788A (en)
DE (1) DE2967425D1 (en)
WO (1) WO1980000040A1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5939248A (en) * 1992-10-12 1999-08-17 Minnesota Mining And Manufacturing Company Photothermographic imaging materials and antifoggants therefor

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4945027A (en) * 1987-10-23 1990-07-31 Hoechst Celanese Corporation 1,4 or 9,10 dimethoxyanthracene triggers for 2-tri(chloro or bromo)methyl-4(1H)-quinazolimone polymerization initiators
US4845011A (en) * 1987-10-23 1989-07-04 Hoechst Celanese Corporation Visible light photoinitiation compositions
JPH06100795B2 (en) * 1988-05-13 1994-12-12 富士写真フイルム株式会社 Silver halide photographic light-sensitive material
JPH0271172U (en) * 1988-11-16 1990-05-30

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH378283A (en) * 1959-10-15 1964-07-31 Agfa Ag Process for the production of colored photographic images on textile material
US3495987A (en) * 1965-09-03 1970-02-17 Du Pont Photopolymerizable products
US3510348A (en) * 1966-03-11 1970-05-05 Eastman Kodak Co Direct positive recording film
DE1597598A1 (en) * 1966-11-16 1970-06-25 Gaf Corp Gelatine for photographic use
US3637387A (en) * 1967-10-24 1972-01-25 Agfa Gevaert Nv Direct positive emulsion containing a halide releasing compound developed in the presence of an unsubstituted hydrazine
US3632340A (en) * 1968-09-09 1972-01-04 Eastman Kodak Co Cored direct positive silver halide emulsion developed with polyhydroxybenzene
BE757145A (en) * 1969-10-09 1971-04-07 Agfa Gevaert Nv PHOTOGRAPHIC RECORDING TECHNOLOGY
GB1427525A (en) * 1972-07-13 1976-03-10 Agfa Gevaert Directpositive silver halide emulsions

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5939248A (en) * 1992-10-12 1999-08-17 Minnesota Mining And Manufacturing Company Photothermographic imaging materials and antifoggants therefor

Also Published As

Publication number Publication date
JPS55500380A (en) 1980-06-26
JPS6161372B2 (en) 1986-12-25
CA1142788A (en) 1983-03-15
EP0016061B1 (en) 1985-04-10
EP0016061A4 (en) 1981-08-27
DE2967425D1 (en) 1985-05-15
EP0016061A1 (en) 1980-10-01
WO1980000040A1 (en) 1980-01-10

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Legal Events

Date Code Title Description
RE Patent lapsed

Owner name: E.I. DU PONT DE NEMOURS AND CY

Effective date: 19940630