GB1076296A - Improvements relating to photographic emulsions - Google Patents

Improvements relating to photographic emulsions

Info

Publication number
GB1076296A
GB1076296A GB34233/65A GB3423365A GB1076296A GB 1076296 A GB1076296 A GB 1076296A GB 34233/65 A GB34233/65 A GB 34233/65A GB 3423365 A GB3423365 A GB 3423365A GB 1076296 A GB1076296 A GB 1076296A
Authority
GB
United Kingdom
Prior art keywords
silver halide
positive
emulsion
emulsions
aug
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
GB34233/65A
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.)
EIDP Inc
Original Assignee
EI Du Pont de Nemours and 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 EI Du Pont de Nemours and Co filed Critical EI Du Pont de Nemours and Co
Publication of GB1076296A publication Critical patent/GB1076296A/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)
GB34233/65A 1964-08-27 1965-08-10 Improvements relating to photographic emulsions Expired GB1076296A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US392625A US3361564A (en) 1964-08-27 1964-08-27 Amine borane as fogging agent in direct positive

Publications (1)

Publication Number Publication Date
GB1076296A true GB1076296A (en) 1967-07-19

Family

ID=23551354

Family Applications (1)

Application Number Title Priority Date Filing Date
GB34233/65A Expired GB1076296A (en) 1964-08-27 1965-08-10 Improvements relating to photographic emulsions

Country Status (4)

Country Link
US (1) US3361564A (de)
BE (1) BE668825A (de)
DE (1) DE1572125C3 (de)
GB (1) GB1076296A (de)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3445235A (en) * 1965-07-15 1969-05-20 Du Pont Rhodium and iridium salts as anti-kinking agent in direct positive silver halide emulsions
US3451819A (en) * 1965-08-09 1969-06-24 Du Pont Photosoluble silver halide emulsion made spontaneously developable with amine boranes
US3607288A (en) * 1968-06-12 1971-09-21 Du Pont Radiation-sensitive silver halide emulsions containing amine boranes and gold compounds
CA938152A (en) * 1969-04-28 1973-12-11 Eastman Kodak Company Photographic emulsions including reactive quaternary salts
BE756627A (fr) * 1969-09-26 1971-03-01 Du Pont Emulsions positives directes contenant des amino-boranes et dessels de bismuth
BE757384A (fr) * 1969-10-13 1971-04-13 Du Pont Emulsions photographiques a positif direct
US3637392A (en) * 1970-08-10 1972-01-25 Du Pont Direct-positive silver halide emulsions containing boron hydrides
US3804632A (en) * 1972-02-15 1974-04-16 Du Pont Metalloboranes as fogging agents in direct positive emulsions
GB1427525A (en) * 1972-07-13 1976-03-10 Agfa Gevaert Directpositive silver halide emulsions
US3951656A (en) * 1974-07-05 1976-04-20 Gaf Corporation Direct-positive silver halide emulsion fogged with a cyanoborohydride anion
JPS583535B2 (ja) * 1976-11-25 1983-01-21 コニカ株式会社 直接ポジ画像の形成方法
US5411855A (en) * 1993-12-16 1995-05-02 Eastman Kodak Company Photographic element exhibiting improved speed and stability

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE634229A (de) * 1962-07-11

Also Published As

Publication number Publication date
DE1572125A1 (de) 1970-02-26
US3361564A (en) 1968-01-02
DE1572125C3 (de) 1975-08-21
BE668825A (de) 1966-02-28
DE1572125B2 (de) 1975-01-16

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