BE555921A - - Google Patents

Info

Publication number
BE555921A
BE555921A BE555921DA BE555921A BE 555921 A BE555921 A BE 555921A BE 555921D A BE555921D A BE 555921DA BE 555921 A BE555921 A BE 555921A
Authority
BE
Belgium
Application number
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.)
Publication of BE555921A publication Critical patent/BE555921A/xx

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
    • G03C1/14—Methine and polymethine dyes with an odd number of CH groups
    • G03C1/18—Methine and polymethine dyes with an odd number of CH groups with three 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
    • 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
    • G03C1/48538—Direct positive emulsions non-prefogged, i.e. fogged after imagewise exposure
    • G03C1/48584—Direct positive emulsions non-prefogged, i.e. fogged after imagewise exposure spectrally sensitised

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)
  • Organic Chemistry (AREA)
  • Indole Compounds (AREA)
  • Plural Heterocyclic Compounds (AREA)
BE555921D 1956-03-19 BE555921A (enrdf_load_html_response)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEA24514A DE1008118B (de) 1956-03-19 1956-03-19 Verfahren zur Sensibilisierung von Farbbildner enthaltenden Direktpositiv-Emulsionen

Publications (1)

Publication Number Publication Date
BE555921A true BE555921A (enrdf_load_html_response)

Family

ID=6925685

Family Applications (1)

Application Number Title Priority Date Filing Date
BE555921D BE555921A (enrdf_load_html_response) 1956-03-19

Country Status (6)

Country Link
US (1) US2930694A (enrdf_load_html_response)
BE (1) BE555921A (enrdf_load_html_response)
CH (1) CH355026A (enrdf_load_html_response)
DE (1) DE1008118B (enrdf_load_html_response)
FR (1) FR1177726A (enrdf_load_html_response)
GB (1) GB825965A (enrdf_load_html_response)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE566164A (enrdf_load_html_response) * 1957-03-28
BE603747A (enrdf_load_html_response) * 1960-05-13
US3510348A (en) * 1966-03-11 1970-05-05 Eastman Kodak Co Direct positive recording film
US3501310A (en) * 1966-03-11 1970-03-17 Eastman Kodak Co Direct positive silver halide emulsions containing compounds which accept electrons and spectrally sensitize the emulsion
US3541089A (en) * 1967-10-19 1970-11-17 Eastman Kodak Co Method of preparing chain-substituted trimethine indole dyestuffs
CH482782A (fr) * 1967-10-19 1969-12-15 Eastman Kodak Co Procédé pour la fabrication de cyanines triméthiniques à noyaux indole
US3501312A (en) * 1968-07-22 1970-03-17 Eastman Kodak Co Direct positive silver halide emulsions containing trimethine cyanine dyes
GB1456243A (en) * 1973-01-25 1976-11-24 Agfa Gevaert Directpositive silver halide elements
IT988269B (it) * 1973-06-18 1975-04-10 Minnesota Mining & Mfg Coloranti cianinici e loro impiego come sensibilizzatori spettrali in materiali fotografici positivi diretti del tipo ad effetto herschel sensibilizzato spettralmente

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2126078A (en) * 1932-04-26 1938-08-09 Agfa Ansco Corp Sensitizing photographic emulsion
BE484580A (enrdf_load_html_response) * 1947-08-29
BE529197A (enrdf_load_html_response) * 1953-05-28

Also Published As

Publication number Publication date
DE1008118B (de) 1957-05-09
US2930694A (en) 1960-03-29
CH355026A (de) 1961-06-15
GB825965A (en) 1959-12-23
FR1177726A (fr) 1959-04-29

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