BE775796A - Emulsions photographiques aux halogenures d'argent - Google Patents

Emulsions photographiques aux halogenures d'argent

Info

Publication number
BE775796A
BE775796A BE775796A BE775796A BE775796A BE 775796 A BE775796 A BE 775796A BE 775796 A BE775796 A BE 775796A BE 775796 A BE775796 A BE 775796A BE 775796 A BE775796 A BE 775796A
Authority
BE
Belgium
Prior art keywords
silver halide
halide photographic
photographic emulsions
emulsions
silver
Prior art date
Application number
BE775796A
Other languages
English (en)
Inventor
Y Hayakawa
M Yoshida
Y Nakazawa
T Nakamura
A Sato
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
Publication of BE775796A publication Critical patent/BE775796A/fr

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
    • C09B23/102—The polymethine chain containing an even number of >CH- groups two heterocyclic rings linked carbon-to-carbon
    • 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
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Organic Chemistry (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • General Physics & Mathematics (AREA)
  • Silver Salt Photography Or Processing Solution Therefor (AREA)
BE775796A 1970-11-25 1971-11-25 Emulsions photographiques aux halogenures d'argent BE775796A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP10395570A JPS4842968B1 (fr) 1970-11-25 1970-11-25

Publications (1)

Publication Number Publication Date
BE775796A true BE775796A (fr) 1972-03-16

Family

ID=14367815

Family Applications (1)

Application Number Title Priority Date Filing Date
BE775796A BE775796A (fr) 1970-11-25 1971-11-25 Emulsions photographiques aux halogenures d'argent

Country Status (6)

Country Link
JP (1) JPS4842968B1 (fr)
BE (1) BE775796A (fr)
CA (1) CA995961A (fr)
DE (1) DE2158553A1 (fr)
FR (1) FR2115981A5 (fr)
GB (1) GB1343719A (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2303934B (en) * 1995-07-31 1998-10-28 Agfa Gevaert Ag Black and white paper with variable gradation
GB2316754B (en) * 1996-08-30 2000-09-27 Ilford Ltd Variable contrast photographic material
DE19960108A1 (de) * 1999-12-14 2001-07-12 Agfa Gevaert Ag Fotografisches Schwarz-Weiß-Papier

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE588862A (fr) * 1959-03-23
BE598522A (fr) * 1959-12-24
JPS4838408A (fr) * 1971-09-17 1973-06-06

Also Published As

Publication number Publication date
FR2115981A5 (fr) 1972-07-07
CA995961A (en) 1976-08-31
GB1343719A (en) 1974-01-16
JPS4842968B1 (fr) 1973-12-15
DE2158553A1 (de) 1972-05-31

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Legal Events

Date Code Title Description
RE Patent lapsed

Owner name: FUJI PHOTO FILM CO. LTD

Effective date: 19851130