US3705809A - Silver halide supersensitized photographic emulsion - Google Patents

Silver halide supersensitized photographic emulsion Download PDF

Info

Publication number
US3705809A
US3705809A US82537A US3705809DA US3705809A US 3705809 A US3705809 A US 3705809A US 82537 A US82537 A US 82537A US 3705809D A US3705809D A US 3705809DA US 3705809 A US3705809 A US 3705809A
Authority
US
United States
Prior art keywords
agbr
silver halide
emulsion
group
photographic emulsion
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 - Lifetime
Application number
US82537A
Other languages
English (en)
Inventor
Yoshiyuki Nakazawa
Yashuharu Nakamura
Haruo Takei
Akira Sato
Tadashi Ikeda
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 US3705809A publication Critical patent/US3705809A/en
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • G03C1/28—Sensitivity-increasing substances together with supersensitising substances
    • G03C1/29—Sensitivity-increasing substances together with supersensitising substances the supersensitising mixture being solely composed of dyes ; Combination of dyes, even if the supersensitising effect is not explicitly disclosed

Landscapes

  • Chemical & Material Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • General Physics & Mathematics (AREA)
  • Organic Chemistry (AREA)
  • Silver Salt Photography Or Processing Solution Therefor (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
US82537A 1969-09-26 1970-10-20 Silver halide supersensitized photographic emulsion Expired - Lifetime US3705809A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP44076684A JPS4827691B1 (de) 1969-09-26 1969-09-26

Publications (1)

Publication Number Publication Date
US3705809A true US3705809A (en) 1972-12-12

Family

ID=13612251

Family Applications (1)

Application Number Title Priority Date Filing Date
US82537A Expired - Lifetime US3705809A (en) 1969-09-26 1970-10-20 Silver halide supersensitized photographic emulsion

Country Status (7)

Country Link
US (1) US3705809A (de)
JP (1) JPS4827691B1 (de)
BE (1) BE756597A (de)
CA (1) CA983766A (de)
DE (1) DE2047306C3 (de)
FR (1) FR2065711B1 (de)
GB (1) GB1312105A (de)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4375508A (en) * 1981-10-15 1983-03-01 Eastman Kodak Company Photographic compositions and elements spectrally sensitized with new methine dyes
US4657846A (en) * 1983-12-22 1987-04-14 Fuji Photo Film Co., Ltd. Silver halide photographic printing paper
EP1750173A1 (de) 2005-08-04 2007-02-07 Fuji Photo Film Co., Ltd. Lichtempfindliches Silberhalogenidmaterial und dieses enthaltender verpackter Gegenstand

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55180526U (de) * 1979-06-14 1980-12-25

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4375508A (en) * 1981-10-15 1983-03-01 Eastman Kodak Company Photographic compositions and elements spectrally sensitized with new methine dyes
US4657846A (en) * 1983-12-22 1987-04-14 Fuji Photo Film Co., Ltd. Silver halide photographic printing paper
EP1750173A1 (de) 2005-08-04 2007-02-07 Fuji Photo Film Co., Ltd. Lichtempfindliches Silberhalogenidmaterial und dieses enthaltender verpackter Gegenstand

Also Published As

Publication number Publication date
JPS4827691B1 (de) 1973-08-24
GB1312105A (en) 1973-04-04
DE2047306C3 (de) 1974-05-02
FR2065711B1 (de) 1973-05-11
DE2047306A1 (de) 1971-10-28
DE2047306B2 (de) 1973-10-04
FR2065711A1 (de) 1971-08-06
CA983766A (en) 1976-02-17
BE756597A (fr) 1971-03-01

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