GB884260A - Improvements in the optical sensitisation of photographic materials suitable for thesilver-dye bleaching process - Google Patents

Improvements in the optical sensitisation of photographic materials suitable for thesilver-dye bleaching process

Info

Publication number
GB884260A
GB884260A GB41367/59A GB4136759A GB884260A GB 884260 A GB884260 A GB 884260A GB 41367/59 A GB41367/59 A GB 41367/59A GB 4136759 A GB4136759 A GB 4136759A GB 884260 A GB884260 A GB 884260A
Authority
GB
United Kingdom
Prior art keywords
thesilver
materials suitable
photographic materials
bleaching process
dye bleaching
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
GB41367/59A
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.)
BASF Schweiz AG
Original Assignee
Ciba 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 Ciba AG filed Critical Ciba AG
Publication of GB884260A publication Critical patent/GB884260A/en
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
    • G03C1/06—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
    • G03C7/00—Multicolour photographic processes or agents therefor; Regeneration of such processing agents; Photosensitive materials for multicolour processes
    • G03C7/28—Silver dye bleach processes; Materials therefor; Preparing or processing such materials

Landscapes

  • Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Silver Salt Photography Or Processing Solution Therefor (AREA)
  • Nitrogen Condensed Heterocyclic Rings (AREA)
GB41367/59A 1958-12-04 1959-12-04 Improvements in the optical sensitisation of photographic materials suitable for thesilver-dye bleaching process Expired GB884260A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH6691358A CH372924A (de) 1958-12-04 1958-12-04 Verfahren zur Herstellung von optisch sensibilisierten photographischen Materialien für das Silberfarbbleichverfahren

Publications (1)

Publication Number Publication Date
GB884260A true GB884260A (en) 1961-12-13

Family

ID=4527531

Family Applications (1)

Application Number Title Priority Date Filing Date
GB41367/59A Expired GB884260A (en) 1958-12-04 1959-12-04 Improvements in the optical sensitisation of photographic materials suitable for thesilver-dye bleaching process

Country Status (7)

Country Link
US (1) US3157507A (de)
BE (1) BE585274A (de)
CH (1) CH372924A (de)
DE (1) DE1083124B (de)
ES (1) ES253905A1 (de)
GB (1) GB884260A (de)
NL (1) NL246035A (de)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1213240B (de) * 1964-02-13 1966-03-24 Agfa Gevaert Ag Lichtempfindliches photographisches Material mit mindestens einer Azofarbstoff enthaltenden optisch sensibilisierten Halogensilber-Emulsions-schicht fuer das Silberfarbbleichverfahren
CH517322A (de) * 1968-08-26 1971-12-31 Ciba Geigy Ag Photographisches Material für das Silberfarbbleichverfahren
CH506098A (de) * 1968-08-26 1971-04-15 Ciba Geigy Ag Photographisches Material für das Silberfarbbleichverfahren
US3920458A (en) * 1970-09-28 1975-11-18 Fuji Photo Film Co Ltd Photographic sensitive material suitable for the silver-dyestuff bleaching method
BE793502A (fr) * 1971-12-31 1973-06-29 Ciba Geigy Couche de filtrage optique
JPS61153631A (ja) * 1984-11-30 1986-07-12 Fuji Photo Film Co Ltd 熱現像カラ−感光材料
US6495692B1 (en) 1996-12-10 2002-12-17 Abbott Laboratories Helium-neon excitable reticulocyte dyes derivable from halolepidines

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2054390A (en) * 1934-08-09 1936-09-15 Photographic bleachjng-out layers
US2281149A (en) * 1938-07-12 1942-04-28 Chromogen Inc Color photographic multilayer material
US2503776A (en) * 1947-03-21 1950-04-11 Eastman Kodak Co Cyanine dyes containing a sulfohydrocarbon radical
US2612496A (en) * 1948-04-02 1952-09-30 Gaspar Acid azo dyes
US2704710A (en) * 1950-04-18 1955-03-22 Gen Aniline & Film Corp Precipitation of azo dyes in silver halide emulsions by means of guanidine and biguanide compounds containing long alkyl chains
BE570512A (de) * 1957-08-23

Also Published As

Publication number Publication date
US3157507A (en) 1964-11-17
DE1083124B (de) 1960-06-09
BE585274A (de)
CH372924A (de) 1963-10-31
ES253905A1 (es) 1960-05-16
NL246035A (de)

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