BE785309A - Spectraal gesensibiliseerde direct-positieve emulsie - Google Patents

Spectraal gesensibiliseerde direct-positieve emulsie

Info

Publication number
BE785309A
BE785309A BE785309A BE785309A BE785309A BE 785309 A BE785309 A BE 785309A BE 785309 A BE785309 A BE 785309A BE 785309 A BE785309 A BE 785309A BE 785309 A BE785309 A BE 785309A
Authority
BE
Belgium
Prior art keywords
spectraal
positieve
gesensibiliseerde
emulsie
direct
Prior art date
Application number
BE785309A
Other languages
English (en)
Inventor
A.G. Agfa-Gevaert
Original Assignee
Agfa Gevaert Nv
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 Nv filed Critical Agfa Gevaert Nv
Publication of BE785309A publication Critical patent/BE785309A/fr

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)
BE785309A 1971-07-14 1972-06-23 Spectraal gesensibiliseerde direct-positieve emulsie BE785309A (fr)

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 (1)

Publication Number Publication Date
BE785309A true BE785309A (fr) 1972-12-27

Family

ID=5813644

Family Applications (1)

Application Number Title Priority Date Filing Date
BE785309A BE785309A (fr) 1971-07-14 1972-06-23 Spectraal gesensibiliseerde direct-positieve emulsie

Country Status (5)

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

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
FR2145682B1 (fr) 1976-10-29
GB1378551A (en) 1974-12-27
DE2135153A1 (de) 1973-01-25
FR2145682A1 (fr) 1973-02-23

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