FR2030875A5 - - Google Patents

Info

Publication number
FR2030875A5
FR2030875A5 FR6943640A FR6943640A FR2030875A5 FR 2030875 A5 FR2030875 A5 FR 2030875A5 FR 6943640 A FR6943640 A FR 6943640A FR 6943640 A FR6943640 A FR 6943640A FR 2030875 A5 FR2030875 A5 FR 2030875A5
Authority
FR
France
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
FR6943640A
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
Application granted granted Critical
Publication of FR2030875A5 publication Critical patent/FR2030875A5/fr
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09B—ORGANIC DYES OR CLOSELY-RELATED COMPOUNDS FOR PRODUCING DYES, e.g. PIGMENTS; MORDANTS; LAKES
    • C09B23/00—Methine or polymethine dyes, e.g. cyanine dyes
    • C09B23/10—The polymethine chain containing an even number of >CH- groups
    • C09B23/105—The polymethine chain containing an even number of >CH- groups two >CH- groups
    • 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
FR6943640A 1968-12-18 1969-12-17 Expired FR2030875A5 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US78490468A 1968-12-18 1968-12-18

Publications (1)

Publication Number Publication Date
FR2030875A5 true FR2030875A5 (fr) 1970-11-13

Family

ID=25133895

Family Applications (1)

Application Number Title Priority Date Filing Date
FR6943640A Expired FR2030875A5 (fr) 1968-12-18 1969-12-17

Country Status (3)

Country Link
US (1) US3598603A (fr)
FR (1) FR2030875A5 (fr)
GB (1) GB1298950A (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4030932A (en) * 1975-05-28 1977-06-21 Eastman Kodak Company Silver halide sensitized with dyes containing an isoindole nucleus
JPS52120824A (en) * 1976-04-02 1977-10-11 Mitsubishi Paper Mills Ltd Halogenated silver emulsion for direct positive
EP0599383B1 (fr) * 1992-11-19 2001-02-28 Eastman Kodak Company Eléments photographiques à l' halogénure d'argent contenant composés colorants substitués par furanne ou pyrrole
JP3588160B2 (ja) * 1994-05-18 2004-11-10 イーストマン コダック カンパニー 複素環式置換基を有する青色増感色素

Also Published As

Publication number Publication date
GB1298950A (en) 1972-12-06
US3598603A (en) 1971-08-10

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Legal Events

Date Code Title Description
ST Notification of lapse