GB1338433A - Making photographic direct-positive silver halide emulsions - Google Patents

Making photographic direct-positive silver halide emulsions

Info

Publication number
GB1338433A
GB1338433A GB2102171A GB2102171A GB1338433A GB 1338433 A GB1338433 A GB 1338433A GB 2102171 A GB2102171 A GB 2102171A GB 2102171 A GB2102171 A GB 2102171A GB 1338433 A GB1338433 A GB 1338433A
Authority
GB
United Kingdom
Prior art keywords
silver halide
auric
complex
gold
emulsions
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
GB2102171A
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.)
Eastman Kodak Co
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 GB1338433A publication Critical patent/GB1338433A/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)
GB2102171A 1970-02-16 1971-04-19 Making photographic direct-positive silver halide emulsions Expired GB1338433A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US1183770A 1970-02-16 1970-02-16

Publications (1)

Publication Number Publication Date
GB1338433A true GB1338433A (en) 1973-11-21

Family

ID=21752187

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2102171A Expired GB1338433A (en) 1970-02-16 1971-04-19 Making photographic direct-positive silver halide emulsions

Country Status (10)

Country Link
US (1) US3672903A (fr)
JP (1) JPS5142488B1 (fr)
AU (1) AU2544871A (fr)
BE (1) BE762988A (fr)
BR (1) BR7100773D0 (fr)
CA (1) CA976023A (fr)
CH (1) CH527440A (fr)
DE (1) DE2107119C3 (fr)
FR (1) FR2078584A5 (fr)
GB (1) GB1338433A (fr)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1480241A (en) * 1974-04-03 1977-07-20 Agfa Gevaert Direct-positive silver halide emulsions
GB1513140A (en) * 1974-09-30 1978-06-07 Agfa Gevaert Direct-positive silver halide emulsions
DE2641284C2 (de) * 1976-09-14 1986-05-07 Agfa-Gevaert Ag, 5090 Leverkusen Verfahren zur Stabilisierung photographischer Silberhalogenidemulsionsschichten
JPS53134430A (en) * 1977-04-27 1978-11-24 Mitsubishi Paper Mills Ltd Silver halide photosensitive materials for multiilayer color photograph
US4247617A (en) * 1979-05-11 1981-01-27 Polaroid Corporation Silver diffusion transfer film unit transparency
JPS6055822B2 (ja) * 1982-04-26 1985-12-06 コニカ株式会社 直接ポジ用ハロゲン化銀写真感光材料

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE498287A (fr) * 1949-09-24
GB723019A (en) * 1952-02-05 1955-02-02 Gevaert Photo Prod Nv Improvements in or relating to the manufacture of photographic material
CH472050A (fr) * 1966-03-11 1969-04-30 Kodak Sa Emulsion photographique pour positif direct

Also Published As

Publication number Publication date
US3672903A (en) 1972-06-27
DE2107119A1 (de) 1971-09-02
BE762988A (fr) 1971-07-16
DE2107119C3 (de) 1979-04-26
CH527440A (fr) 1972-08-31
AU2544871A (en) 1972-08-17
FR2078584A5 (fr) 1971-11-05
DE2107119B2 (de) 1978-08-24
JPS5142488B1 (fr) 1976-11-16
CA976023A (en) 1975-10-14
BR7100773D0 (pt) 1973-04-26

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee