GB1423542A - Direct positive silver halide photographic emulsions - Google Patents

Direct positive silver halide photographic emulsions

Info

Publication number
GB1423542A
GB1423542A GB2220873A GB2220873A GB1423542A GB 1423542 A GB1423542 A GB 1423542A GB 2220873 A GB2220873 A GB 2220873A GB 2220873 A GB2220873 A GB 2220873A GB 1423542 A GB1423542 A GB 1423542A
Authority
GB
United Kingdom
Prior art keywords
silver halide
palladium
potassium
emulsion
complex salt
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
GB2220873A
Other languages
English (en)
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.)
Fujifilm Holdings Corp
Original Assignee
Fuji Photo Film Co Ltd
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 Fuji Photo Film Co Ltd filed Critical Fuji Photo Film Co Ltd
Publication of GB1423542A publication Critical patent/GB1423542A/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
    • 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)
GB2220873A 1972-05-09 1973-05-09 Direct positive silver halide photographic emulsions Expired GB1423542A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4569572A JPS496918A (enrdf_load_stackoverflow) 1972-05-09 1972-05-09

Publications (1)

Publication Number Publication Date
GB1423542A true GB1423542A (en) 1976-02-04

Family

ID=12726506

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2220873A Expired GB1423542A (en) 1972-05-09 1973-05-09 Direct positive silver halide photographic emulsions

Country Status (3)

Country Link
JP (1) JPS496918A (enrdf_load_stackoverflow)
DE (1) DE2323462A1 (enrdf_load_stackoverflow)
GB (1) GB1423542A (enrdf_load_stackoverflow)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4395478A (en) * 1981-11-12 1983-07-26 Eastman Kodak Company Direct-positive core-shell emulsions and photographic elements and processes for their use
GB2316184A (en) * 1996-08-07 1998-02-18 Eastman Kodak Co Sensitising silver halide emulsions with palladium compounds

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4306871A (en) * 1978-12-30 1981-12-22 Shimano Industrial Company, Limited Rear derailleur and control wire guide
US4814263A (en) * 1987-07-21 1989-03-21 Minnesota Mining And Manufacturing Company Direct-positive silver halide emulsion

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3615519A (en) * 1968-09-09 1971-10-26 Eastman Kodak Co Direct-positive lithographic elements and processes for developing same

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4395478A (en) * 1981-11-12 1983-07-26 Eastman Kodak Company Direct-positive core-shell emulsions and photographic elements and processes for their use
GB2316184A (en) * 1996-08-07 1998-02-18 Eastman Kodak Co Sensitising silver halide emulsions with palladium compounds
GB2316184B (en) * 1996-08-07 2000-06-28 Eastman Kodak Co Palladium chemical sensitizers for silver halides

Also Published As

Publication number Publication date
DE2323462A1 (de) 1973-11-29
JPS496918A (enrdf_load_stackoverflow) 1974-01-22

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Legal Events

Date Code Title Description
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee