CA923748A - Direct-positive photographic elements and processes for preparing direct-positive silver halide emulsions - Google Patents

Direct-positive photographic elements and processes for preparing direct-positive silver halide emulsions

Info

Publication number
CA923748A
CA923748A CA065262A CA65262A CA923748A CA 923748 A CA923748 A CA 923748A CA 065262 A CA065262 A CA 065262A CA 65262 A CA65262 A CA 65262A CA 923748 A CA923748 A CA 923748A
Authority
CA
Canada
Prior art keywords
direct
positive
processes
silver halide
halide 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
CA065262A
Other languages
English (en)
Inventor
L. P. Barbier Jean-France
Renard Guy
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
Priority claimed from FR6929797A external-priority patent/FR2058420A5/fr
Application filed by Eastman Kodak Co filed Critical Eastman Kodak Co
Priority to CA155140A priority Critical patent/CA931415A/en
Application granted granted Critical
Publication of CA923748A publication Critical patent/CA923748A/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)
CA065262A 1968-11-04 1969-10-20 Direct-positive photographic elements and processes for preparing direct-positive silver halide emulsions Expired CA923748A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CA155140A CA931415A (en) 1968-11-04 1972-10-30 Direct-positive photographic elements and processes for preparing direct-positive silver halide emulsions

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR172465 1968-11-04
FR6929797A FR2058420A5 (enExample) 1969-09-01 1969-09-01

Publications (1)

Publication Number Publication Date
CA923748A true CA923748A (en) 1973-04-03

Family

ID=26182295

Family Applications (1)

Application Number Title Priority Date Filing Date
CA065262A Expired CA923748A (en) 1968-11-04 1969-10-20 Direct-positive photographic elements and processes for preparing direct-positive silver halide emulsions

Country Status (3)

Country Link
JP (1) JPS4830484B1 (enExample)
CA (1) CA923748A (enExample)
DE (1) DE1955232C3 (enExample)

Also Published As

Publication number Publication date
DE1955232A1 (de) 1970-05-14
JPS4830484B1 (enExample) 1973-09-20
DE1955232B2 (de) 1973-04-05
DE1955232C3 (de) 1973-10-25

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