GB1269260A - Direct-positive silver halide emulsion compositions - Google Patents

Direct-positive silver halide emulsion compositions

Info

Publication number
GB1269260A
GB1269260A GB42919/69A GB4291969A GB1269260A GB 1269260 A GB1269260 A GB 1269260A GB 42919/69 A GB42919/69 A GB 42919/69A GB 4291969 A GB4291969 A GB 4291969A GB 1269260 A GB1269260 A GB 1269260A
Authority
GB
United Kingdom
Prior art keywords
silver halide
direct
halide grains
portions
emulsion compositions
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
GB42919/69A
Other languages
English (en)
Inventor
Albert Charles Smith Jr
Bernard David Illingsworth
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 GB1269260A publication Critical patent/GB1269260A/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
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S430/00—Radiation imagery chemistry: process, composition, or product thereof
    • Y10S430/141—Direct positive material

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)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
GB42919/69A 1968-09-09 1969-08-28 Direct-positive silver halide emulsion compositions Expired GB1269260A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US75981668A 1968-09-09 1968-09-09

Publications (1)

Publication Number Publication Date
GB1269260A true GB1269260A (en) 1972-04-06

Family

ID=25057061

Family Applications (1)

Application Number Title Priority Date Filing Date
GB42919/69A Expired GB1269260A (en) 1968-09-09 1969-08-28 Direct-positive silver halide emulsion compositions

Country Status (7)

Country Link
US (1) US3615573A (xx)
JP (1) JPS5347003B1 (xx)
BE (1) BE738576A (xx)
CH (1) CH520349A (xx)
DE (1) DE1945449B2 (xx)
FR (1) FR2017656A1 (xx)
GB (1) GB1269260A (xx)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2224837C3 (de) * 1972-05-20 1986-05-07 Agfa-Gevaert Ag, 5090 Leverkusen Direktpositives photographisches Aufzeichnungsmaterial
GB1456243A (en) * 1973-01-25 1976-11-24 Agfa Gevaert Directpositive silver halide elements
GB1468816A (en) * 1973-06-08 1977-03-30 Agfa Gevaert Photographic direct positive silver halide compositions
GB1447502A (en) * 1973-06-18 1976-08-25 Agfa Gevaert Method of preparing direct-positive silver halide elements
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
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
DE3138166A1 (de) * 1981-09-25 1983-04-14 Irbit Holding AG, 1701 Fribourg Schaumstoffschneidverfahren
USRE32097E (en) * 1981-11-12 1986-03-25 Eastman Kodak Company Blended grain direct-positive emulsions and photographic elements and processes for their use
US4444865A (en) * 1981-11-12 1984-04-24 Eastman Kodak Company Blended grain direct-positive emulsions and photographic elements and processes for their use
US4444874A (en) * 1982-09-15 1984-04-24 Eastman Kodak Company Photographic elements containing direct-positive emulsions 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
EP0681209A1 (en) * 1994-05-06 1995-11-08 Agfa-Gevaert N.V. Multilayer direct-positive photographic material and process for preparing the same

Also Published As

Publication number Publication date
FR2017656A1 (xx) 1970-05-22
JPS5347003B1 (xx) 1978-12-18
DE1945449A1 (de) 1970-03-19
CH520349A (fr) 1972-03-15
BE738576A (xx) 1970-02-16
US3615573A (en) 1971-10-26
DE1945449B2 (de) 1975-07-17

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