CA1028546A - Method of preparing direct-positive silver halide emulsions - Google Patents

Method of preparing direct-positive silver halide emulsions

Info

Publication number
CA1028546A
CA1028546A CA202,204A CA202204A CA1028546A CA 1028546 A CA1028546 A CA 1028546A CA 202204 A CA202204 A CA 202204A CA 1028546 A CA1028546 A CA 1028546A
Authority
CA
Canada
Prior art keywords
silver halide
halide emulsions
positive silver
preparing direct
preparing
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
CA202,204A
Other languages
English (en)
French (fr)
Other versions
CA202204S (en
Inventor
Willy J. Vanassche
Herman A. Pattyn
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.)
Agfa Gevaert NV
Original Assignee
Agfa Gevaert NV
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 Agfa Gevaert NV filed Critical Agfa Gevaert NV
Application granted granted Critical
Publication of CA1028546A publication Critical patent/CA1028546A/en
Expired legal-status Critical Current

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

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)
CA202,204A 1973-06-18 1974-06-11 Method of preparing direct-positive silver halide emulsions Expired CA1028546A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB2876973A GB1447502A (en) 1973-06-18 1973-06-18 Method of preparing direct-positive silver halide elements

Publications (1)

Publication Number Publication Date
CA1028546A true CA1028546A (en) 1978-03-28

Family

ID=10280857

Family Applications (1)

Application Number Title Priority Date Filing Date
CA202,204A Expired CA1028546A (en) 1973-06-18 1974-06-11 Method of preparing direct-positive silver halide emulsions

Country Status (7)

Country Link
US (1) US4023972A (cs)
JP (1) JPS581414B2 (cs)
BE (1) BE816250A (cs)
CA (1) CA1028546A (cs)
DE (1) DE2428802A1 (cs)
FR (1) FR2233652B1 (cs)
GB (1) GB1447502A (cs)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2708466A1 (de) * 1977-02-26 1978-08-31 Agfa Gevaert Ag Emulsionsabmischungen fuer colorumkehr-(aufsichts-)material
US4370411A (en) * 1980-09-11 1983-01-25 E. I. Du Pont De Nemours And Company Method for producing a long scale direct-positive photographic emulsion
US4378427A (en) * 1980-09-11 1983-03-29 E. I. Du Pont De Nemours And Company Method for producing a long scale direct-positive photographic emulsion
JPS57178235A (en) * 1981-04-28 1982-11-02 Konishiroku Photo Ind Co Ltd Photographic sensitive silver halide material
US4444865A (en) * 1981-11-12 1984-04-24 Eastman Kodak Company Blended grain direct-positive emulsions and photographic elements and processes for their use
USRE32097E (en) * 1981-11-12 1986-03-25 Eastman Kodak Company Blended grain direct-positive emulsions and photographic elements and processes for their use
USRE32149E (en) * 1982-09-15 1986-05-20 Eastman Kodak Company Photographic elements containing direct-positive emulsions and processes for their use
JPH0823668B2 (ja) * 1988-02-23 1996-03-06 富士写真フイルム株式会社 内部潜像型ハロゲン化銀写真乳剤
JPH0810319B2 (ja) * 1988-06-14 1996-01-31 富士写真フイルム株式会社 内部潜像型ハロゲン化銀写真乳剤
CN103331454A (zh) * 2013-07-02 2013-10-02 南京大学 一种纳米银制造工艺

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3367778A (en) * 1965-04-15 1968-02-06 Eastman Kodak Co Silver salt direct positive emulsion
US3510348A (en) * 1966-03-11 1970-05-05 Eastman Kodak Co Direct positive recording film
GB1155404A (en) * 1966-05-09 1969-06-18 Agfa Gevaert Nv Improved Direct Positive Emulsions
US3615573A (en) * 1968-09-09 1971-10-26 Mary D Illingsworth Direct-positive composition containing individually and differently fogged silver halide emulsions
US3600167A (en) * 1968-11-04 1971-08-17 Eastman Kodak Co Silver halide layered photographic element of different light sensitive layers

Also Published As

Publication number Publication date
JPS5037429A (cs) 1975-04-08
DE2428802A1 (de) 1975-01-09
BE816250A (nl) 1974-12-13
FR2233652A1 (cs) 1975-01-10
GB1447502A (en) 1976-08-25
FR2233652B1 (cs) 1980-03-14
JPS581414B2 (ja) 1983-01-11
US4023972A (en) 1977-05-17
DE2428802C2 (cs) 1987-06-11

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