CA979268A - Spectral sensitization of silver halide lippmann emulsions - Google Patents

Spectral sensitization of silver halide lippmann emulsions

Info

Publication number
CA979268A
CA979268A CA102,677A CA102677A CA979268A CA 979268 A CA979268 A CA 979268A CA 102677 A CA102677 A CA 102677A CA 979268 A CA979268 A CA 979268A
Authority
CA
Canada
Prior art keywords
silver halide
spectral sensitization
lippmann emulsions
halide lippmann
emulsions
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
CA102,677A
Other versions
CA102677S (en
Inventor
Herman A. Phillippaerts
Theofiel H. Ghys
Henri Depoorter
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 NV
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
Application granted granted Critical
Publication of CA979268A publication Critical patent/CA979268A/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • G03C1/22—Methine and polymethine dyes with an even number of CH groups
    • 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
CA102,677A 1970-01-20 1971-01-13 Spectral sensitization of silver halide lippmann emulsions Expired CA979268A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB276970 1970-01-20

Publications (1)

Publication Number Publication Date
CA979268A true CA979268A (en) 1975-12-09

Family

ID=9745554

Family Applications (1)

Application Number Title Priority Date Filing Date
CA102,677A Expired CA979268A (en) 1970-01-20 1971-01-13 Spectral sensitization of silver halide lippmann emulsions

Country Status (9)

Country Link
US (1) US3705038A (en)
JP (1) JPS514105B1 (en)
BE (1) BE761301A (en)
CA (1) CA979268A (en)
CH (1) CH567281A5 (en)
DE (1) DE2101106A1 (en)
FR (1) FR2074976A5 (en)
GB (1) GB1329271A (en)
SU (1) SU479304A3 (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4946933B1 (en) * 1971-03-20 1974-12-12
BE790873A (en) * 1971-11-10 1973-05-03 Agfa Gevaert Nv PHOTOGRAPHIC EMULSIONS OF THE LIPPMANN TYPE
JP3047269B2 (en) * 1992-04-22 2000-05-29 富士写真フイルム株式会社 Silver halide photographic material
DE69424006T2 (en) * 1993-06-08 2000-09-14 Fuji Photo Film Co Ltd Methine compounds and silver halide photographic materials containing them
US5464735A (en) * 1993-12-07 1995-11-07 Eastman Kodak Company Supersensitizing bis-benzothiazolocyanine dye combination for red sensitive silver halide emulsions

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5652716B2 (en) * 1972-08-30 1981-12-14

Also Published As

Publication number Publication date
SU479304A3 (en) 1975-07-30
FR2074976A5 (en) 1971-10-08
JPS514105B1 (en) 1976-02-09
CH567281A5 (en) 1975-09-30
DE2101106A1 (en) 1971-07-29
GB1329271A (en) 1973-09-05
US3705038A (en) 1972-12-05
BE761301A (en) 1971-07-07

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