CA1008291A - Direct positive silver halide emulsions - Google Patents

Direct positive silver halide emulsions

Info

Publication number
CA1008291A
CA1008291A CA169,250A CA169250A CA1008291A CA 1008291 A CA1008291 A CA 1008291A CA 169250 A CA169250 A CA 169250A CA 1008291 A CA1008291 A CA 1008291A
Authority
CA
Canada
Prior art keywords
silver halide
halide emulsions
direct positive
positive silver
direct
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
CA169,250A
Other versions
CA169250S (en
Inventor
Keisuke Shiba
Akira Sato
Masanao Hinata
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.)
Fujifilm Holdings Corp
Original Assignee
Fuji Photo Film Co Ltd
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 Fuji Photo Film Co Ltd filed Critical Fuji Photo Film Co Ltd
Application granted granted Critical
Publication of CA1008291A publication Critical patent/CA1008291A/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
    • C09B23/10—The polymethine chain containing an even number of >CH- groups
    • C09B23/107—The polymethine chain containing an even number of >CH- groups four >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
    • 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
    • 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
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S430/00—Radiation imagery chemistry: process, composition, or product thereof
    • Y10S430/1053—Imaging affecting physical property or radiation sensitive material, or producing nonplanar or printing surface - process, composition, or product: radiation sensitive composition or product or process of making binder containing
    • Y10S430/1055—Radiation sensitive composition or product or process of making
    • Y10S430/106—Binder containing
    • Y10S430/112—Cellulosic

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Silver Salt Photography Or Processing Solution Therefor (AREA)
  • Plural Heterocyclic Compounds (AREA)
  • Nitrogen Condensed Heterocyclic Rings (AREA)
CA169,250A 1972-04-14 1973-04-12 Direct positive silver halide emulsions Expired CA1008291A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP47037445A JPS5221886B2 (en) 1972-04-14 1972-04-14

Publications (1)

Publication Number Publication Date
CA1008291A true CA1008291A (en) 1977-04-12

Family

ID=12497688

Family Applications (1)

Application Number Title Priority Date Filing Date
CA169,250A Expired CA1008291A (en) 1972-04-14 1973-04-12 Direct positive silver halide emulsions

Country Status (6)

Country Link
US (1) US3925084A (en)
JP (1) JPS5221886B2 (en)
CA (1) CA1008291A (en)
DE (1) DE2318761A1 (en)
FR (1) FR2179987B1 (en)
GB (1) GB1387795A (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5288058A (en) * 1976-01-16 1977-07-22 Shibaura Eng Works Ltd Leveling device for rail
JPS5860216U (en) * 1982-06-10 1983-04-23 芝浦メカトロニクス株式会社 Rail leveling device
JPS60107641A (en) * 1983-11-16 1985-06-13 Fuji Photo Film Co Ltd Core/shell silver halide photographic emulsion of internal latent image type
EP4290596A4 (en) * 2021-02-05 2024-09-04 Fujifilm Corp Photoelectric conversion element, imaging element, photosensor, and compound

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1334515A (en) * 1970-01-15 1973-10-17 Kodak Ltd Pyrazolo-triazoles

Also Published As

Publication number Publication date
FR2179987B1 (en) 1976-05-21
DE2318761A1 (en) 1973-10-25
US3925084A (en) 1975-12-09
GB1387795A (en) 1975-03-19
JPS491226A (en) 1974-01-08
JPS5221886B2 (en) 1977-06-14
FR2179987A1 (en) 1973-11-23

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