FR1520824A - émulsions photographiques positives directes - Google Patents

émulsions photographiques positives directes

Info

Publication number
FR1520824A
FR1520824A FR98028A FR98028A FR1520824A FR 1520824 A FR1520824 A FR 1520824A FR 98028 A FR98028 A FR 98028A FR 98028 A FR98028 A FR 98028A FR 1520824 A FR1520824 A FR 1520824A
Authority
FR
France
Prior art keywords
photographic emulsions
direct positive
positive photographic
emulsions
direct
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
FR98028A
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
Priority to FR98028A priority Critical patent/FR1520824A/fr
Application granted granted Critical
Publication of FR1520824A publication Critical patent/FR1520824A/fr
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
    • G03C1/06—Silver halide emulsions; Preparation thereof; Physical treatment thereof; Incorporation of additives therein with non-macromolecular additives
    • G03C1/08—Sensitivity-increasing substances
    • G03C1/10—Organic substances
    • G03C1/12—Methine and polymethine dyes
    • 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
    • G03C1/48523—Direct positive emulsions prefogged characterised by the desensitiser
    • G03C1/4853—Direct positive emulsions prefogged characterised by the desensitiser polymethine dyes

Landscapes

  • Chemical & Material Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • General Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
FR98028A 1966-03-11 1967-03-09 émulsions photographiques positives directes Expired FR1520824A (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR98028A FR1520824A (fr) 1966-03-11 1967-03-09 émulsions photographiques positives directes

Applications Claiming Priority (9)

Application Number Priority Date Filing Date Title
US53344866A 1966-03-11 1966-03-11
US53344066A 1966-03-11 1966-03-11
US53340066A 1966-03-11 1966-03-11
US60418166A 1966-12-23 1966-12-23
US60414666A 1966-12-23 1966-12-23
US60979367A 1967-01-17 1967-01-17
US60976267A 1967-01-17 1967-01-17
US61832067A 1967-02-24 1967-02-24
FR98028A FR1520824A (fr) 1966-03-11 1967-03-09 émulsions photographiques positives directes

Publications (1)

Publication Number Publication Date
FR1520824A true FR1520824A (fr) 1968-04-12

Family

ID=27576171

Family Applications (1)

Application Number Title Priority Date Filing Date
FR98028A Expired FR1520824A (fr) 1966-03-11 1967-03-09 émulsions photographiques positives directes

Country Status (1)

Country Link
FR (1) FR1520824A (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2157975A1 (fr) * 1971-10-28 1973-06-08 Fuji Photo Film Co Ltd

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2157975A1 (fr) * 1971-10-28 1973-06-08 Fuji Photo Film Co Ltd

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