BE770218A - Emulsion photosensible aux halogenures d'argent donnant directement a l'exposition une image positive par rapport a un original, et procede pour sa preparation - Google Patents

Emulsion photosensible aux halogenures d'argent donnant directement a l'exposition une image positive par rapport a un original, et procede pour sa preparation

Info

Publication number
BE770218A
BE770218A BE770218A BE770218A BE770218A BE 770218 A BE770218 A BE 770218A BE 770218 A BE770218 A BE 770218A BE 770218 A BE770218 A BE 770218A BE 770218 A BE770218 A BE 770218A
Authority
BE
Belgium
Prior art keywords
exposure
relation
original
preparation
silver halide
Prior art date
Application number
BE770218A
Other languages
English (en)
Inventor
P B Gilman
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 BE770218A publication Critical patent/BE770218A/fr

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)
  • Silver Salt Photography Or Processing Solution Therefor (AREA)
BE770218A 1970-07-20 1971-07-19 Emulsion photosensible aux halogenures d'argent donnant directement a l'exposition une image positive par rapport a un original, et procede pour sa preparation BE770218A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US5670370A 1970-07-20 1970-07-20

Publications (1)

Publication Number Publication Date
BE770218A true BE770218A (fr) 1971-12-01

Family

ID=22006092

Family Applications (1)

Application Number Title Priority Date Filing Date
BE770218A BE770218A (fr) 1970-07-20 1971-07-19 Emulsion photosensible aux halogenures d'argent donnant directement a l'exposition une image positive par rapport a un original, et procede pour sa preparation

Country Status (3)

Country Link
US (1) US3650758A (fr)
BE (1) BE770218A (fr)
FR (1) FR2101790A5 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2174113A1 (fr) * 1972-02-29 1973-10-12 Eastman Kodak Co

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4207103A (en) * 1978-06-26 1980-06-10 Eastman Kodak Company Photographic print-out silver halide process
US4614801A (en) * 1984-04-09 1986-09-30 E. I. Du Pont De Nemours And Company Direct positive dyes made from 3-indolizine carboxaldehyde
US4701398A (en) * 1984-04-09 1987-10-20 E. I. Du Pont De Nemours And Company Photographic film containing direct positive dyes made from 3-indolizine carboxaldehyde
US5501946A (en) * 1992-07-29 1996-03-26 Fuji Photo Film Co., Ltd. Pre-fogged direct reversal silver halide photographic material

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3526507A (en) * 1965-04-28 1970-09-01 Keuffel & Esser Co Autopositive reproduction material
US3492123A (en) * 1966-03-11 1970-01-27 Eastman Kodak Co Direct positive silver halide emulsions containing carbocyanine dyes having a carbazole nucleus

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2174113A1 (fr) * 1972-02-29 1973-10-12 Eastman Kodak Co

Also Published As

Publication number Publication date
US3650758A (en) 1972-03-21
FR2101790A5 (fr) 1972-03-31

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