FR2233652A1 - - Google Patents

Info

Publication number
FR2233652A1
FR2233652A1 FR7420861A FR7420861A FR2233652A1 FR 2233652 A1 FR2233652 A1 FR 2233652A1 FR 7420861 A FR7420861 A FR 7420861A FR 7420861 A FR7420861 A FR 7420861A FR 2233652 A1 FR2233652 A1 FR 2233652A1
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.)
Granted
Application number
FR7420861A
Other versions
FR2233652B1 (fr
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
Agfa Gevaert AG
Original Assignee
Agfa Gevaert NV
Agfa Gevaert AG
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, Agfa Gevaert AG filed Critical Agfa Gevaert NV
Publication of FR2233652A1 publication Critical patent/FR2233652A1/fr
Application granted granted Critical
Publication of FR2233652B1 publication Critical patent/FR2233652B1/fr
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)
FR7420861A 1973-06-18 1974-06-13 Expired FR2233652B1 (fr)

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 (2)

Publication Number Publication Date
FR2233652A1 true FR2233652A1 (fr) 1975-01-10
FR2233652B1 FR2233652B1 (fr) 1980-03-14

Family

ID=10280857

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7420861A Expired FR2233652B1 (fr) 1973-06-18 1974-06-13

Country Status (7)

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

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0079583A2 (fr) * 1981-11-12 1983-05-25 EASTMAN KODAK COMPANY (a New Jersey corporation) Emulsion sensible aux rayons et élément photographique direct-positif la contenant

Families Citing this family (9)

* 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
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

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0079583A2 (fr) * 1981-11-12 1983-05-25 EASTMAN KODAK COMPANY (a New Jersey corporation) Emulsion sensible aux rayons et élément photographique direct-positif la contenant
EP0079583A3 (en) * 1981-11-12 1984-01-04 Eastman Kodak Company Radiation-sensitive emulsion and direct-positive photographic element containing the same

Also Published As

Publication number Publication date
DE2428802C2 (fr) 1987-06-11
DE2428802A1 (de) 1975-01-09
BE816250A (nl) 1974-12-13
JPS5037429A (fr) 1975-04-08
FR2233652B1 (fr) 1980-03-14
GB1447502A (en) 1976-08-25
CA1028546A (fr) 1978-03-28
JPS581414B2 (ja) 1983-01-11
US4023972A (en) 1977-05-17

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Legal Events

Date Code Title Description
DL Decision of the director general to leave to make available licences of right
ST Notification of lapse
RC Opposition against decision of lapse
BR Restoration of rights
ST Notification of lapse