GB1545909A - Direct-positive silver halide photographic emulsions - Google Patents

Direct-positive silver halide photographic emulsions

Info

Publication number
GB1545909A
GB1545909A GB3175476A GB3175476A GB1545909A GB 1545909 A GB1545909 A GB 1545909A GB 3175476 A GB3175476 A GB 3175476A GB 3175476 A GB3175476 A GB 3175476A GB 1545909 A GB1545909 A GB 1545909A
Authority
GB
United Kingdom
Prior art keywords
direct
silver halide
halide photographic
photographic emulsions
positive silver
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
GB3175476A
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 GB1545909A publication Critical patent/GB1545909A/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
    • G03C1/48538—Direct positive emulsions non-prefogged, i.e. fogged after imagewise exposure
    • G03C1/48584—Direct positive emulsions non-prefogged, i.e. fogged after imagewise exposure spectrally sensitised

Landscapes

  • Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • General Physics & Mathematics (AREA)
  • Silver Salt Photography Or Processing Solution Therefor (AREA)
GB3175476A 1975-07-29 1976-07-29 Direct-positive silver halide photographic emulsions Expired GB1545909A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9238975A JPS5216223A (en) 1975-07-29 1975-07-29 Direct-positive silver halide photographic emulsion

Publications (1)

Publication Number Publication Date
GB1545909A true GB1545909A (en) 1979-05-16

Family

ID=14053055

Family Applications (1)

Application Number Title Priority Date Filing Date
GB3175476A Expired GB1545909A (en) 1975-07-29 1976-07-29 Direct-positive silver halide photographic emulsions

Country Status (3)

Country Link
JP (1) JPS5216223A (en)
DE (1) DE2634143A1 (en)
GB (1) GB1545909A (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0331185A3 (en) * 1988-03-04 1990-11-22 Fuji Photo Film Co., Ltd. Silver halide photographic element for forming direct positive images and a method for forming said images
JP3408282B2 (en) * 1993-04-28 2003-05-19 富士写真フイルム株式会社 Novel benzimidazolocarbocyanine dye and silver halide photographic material containing the dye

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5010826B2 (en) * 1971-08-04 1975-04-24
JPS4838406A (en) * 1971-09-20 1973-06-06
NL7113146A (en) * 1971-09-24 1973-03-27

Also Published As

Publication number Publication date
JPS5216223A (en) 1977-02-07
JPS5710418B2 (en) 1982-02-26
DE2634143A1 (en) 1977-02-17

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Legal Events

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