FR2145682B1 - - Google Patents

Info

Publication number
FR2145682B1
FR2145682B1 FR7225474A FR7225474A FR2145682B1 FR 2145682 B1 FR2145682 B1 FR 2145682B1 FR 7225474 A FR7225474 A FR 7225474A FR 7225474 A FR7225474 A FR 7225474A FR 2145682 B1 FR2145682 B1 FR 2145682B1
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
FR7225474A
Other languages
French (fr)
Other versions
FR2145682A1 (enExample
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.)
Agfa Gevaert AG
Original Assignee
Agfa Gevaert AG
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 Agfa Gevaert AG filed Critical Agfa Gevaert AG
Publication of FR2145682A1 publication Critical patent/FR2145682A1/fr
Application granted granted Critical
Publication of FR2145682B1 publication Critical patent/FR2145682B1/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
    • C09B23/02—Methine or polymethine dyes, e.g. cyanine dyes the polymethine chain containing an odd number of >CH- or >C[alkyl]- groups
    • C09B23/06—Methine or polymethine dyes, e.g. cyanine dyes the polymethine chain containing an odd number of >CH- or >C[alkyl]- groups three >CH- groups, e.g. carbocyanines
    • 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)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Organic Chemistry (AREA)
  • Silver Salt Photography Or Processing Solution Therefor (AREA)
  • Plural Heterocyclic Compounds (AREA)
FR7225474A 1971-07-14 1972-07-13 Expired FR2145682B1 (enExample)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2135153A DE2135153A1 (de) 1971-07-14 1971-07-14 Spektral sensibilisierte direktpositiv-emulsion

Publications (2)

Publication Number Publication Date
FR2145682A1 FR2145682A1 (enExample) 1973-02-23
FR2145682B1 true FR2145682B1 (enExample) 1976-10-29

Family

ID=5813644

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7225474A Expired FR2145682B1 (enExample) 1971-07-14 1972-07-13

Country Status (5)

Country Link
US (1) US3816141A (enExample)
BE (1) BE785309A (enExample)
DE (1) DE2135153A1 (enExample)
FR (1) FR2145682B1 (enExample)
GB (1) GB1378551A (enExample)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4515955A (en) * 1982-03-08 1985-05-07 Minnesota Mining And Manufacturing Company Isoindoline cationic dyes

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE758899A (fr) * 1969-11-14 1971-04-16 Fuji Photo Film Co Ltd Emulsion photographique positive directe a l'halogenure d'argent
US3687675A (en) * 1971-05-03 1972-08-29 Eastman Kodak Co Photographic silver halide emulsions containing a cyanine dye containing at least one 1-cyanoalkyl-2-arylin-dole nucleus

Also Published As

Publication number Publication date
US3816141A (en) 1974-06-11
FR2145682A1 (enExample) 1973-02-23
BE785309A (fr) 1972-12-27
DE2135153A1 (de) 1973-01-25
GB1378551A (en) 1974-12-27

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Legal Events

Date Code Title Description
ST Notification of lapse