DE69225187T2 - Photographische hochkontrast silberhalogenid materialien - Google Patents

Photographische hochkontrast silberhalogenid materialien

Info

Publication number
DE69225187T2
DE69225187T2 DE69225187T DE69225187T DE69225187T2 DE 69225187 T2 DE69225187 T2 DE 69225187T2 DE 69225187 T DE69225187 T DE 69225187T DE 69225187 T DE69225187 T DE 69225187T DE 69225187 T2 DE69225187 T2 DE 69225187T2
Authority
DE
Germany
Prior art keywords
pct
high contrast
alkyl group
emulsion
group
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
DE69225187T
Other languages
English (en)
Other versions
DE69225187D1 (de
Inventor
Philip Coldrick
Julia Pich
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.)
Eastman Kodak Co
Original Assignee
Eastman Kodak Co
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
Priority claimed from GB919103560A external-priority patent/GB9103560D0/en
Priority claimed from GB919104385A external-priority patent/GB9104385D0/en
Application filed by Eastman Kodak Co filed Critical Eastman Kodak Co
Application granted granted Critical
Publication of DE69225187D1 publication Critical patent/DE69225187D1/de
Publication of DE69225187T2 publication Critical patent/DE69225187T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • 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
    • G03C1/061—Hydrazine compounds

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)
DE69225187T 1991-02-20 1992-02-18 Photographische hochkontrast silberhalogenid materialien Expired - Lifetime DE69225187T2 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
GB919103560A GB9103560D0 (en) 1991-02-20 1991-02-20 Photographic high contrast silver halide materials
GB919104385A GB9104385D0 (en) 1991-03-01 1991-03-01 Photographic high contrast silver halide materials
PCT/EP1992/000335 WO1992015042A1 (en) 1991-02-20 1992-02-18 Photographic high contrast silver halide materials

Publications (2)

Publication Number Publication Date
DE69225187D1 DE69225187D1 (de) 1998-05-28
DE69225187T2 true DE69225187T2 (de) 1998-11-12

Family

ID=26298466

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69225187T Expired - Lifetime DE69225187T2 (de) 1991-02-20 1992-02-18 Photographische hochkontrast silberhalogenid materialien

Country Status (6)

Country Link
US (1) US5342732A (de)
EP (1) EP0536345B1 (de)
JP (1) JP3042714B2 (de)
AT (1) ATE165454T1 (de)
DE (1) DE69225187T2 (de)
WO (1) WO1992015042A1 (de)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0682288B1 (de) * 1994-04-16 2001-06-27 Eastman Kodak Company Kontrastreiches photographisches Silberhalogenidmaterial
GB9626281D0 (en) * 1996-12-18 1997-02-05 Kodak Ltd Photographic high contrast silver halide material

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3326689A (en) * 1964-01-20 1967-06-20 Eastman Kodak Co Photographic direct-print silver halide emulsions
DE1522390A1 (de) * 1966-07-16 1969-07-24 Agfa Gevaert Ag Sensibilisierung photographischer Halogensilberschichten fuer das Silberfarbbleichverfahren
GB8610382D0 (en) * 1986-04-28 1986-06-04 Minnesota Mining & Mfg Silver halide photographic materials
US4975354A (en) * 1988-10-11 1990-12-04 Eastman Kodak Company Photographic element comprising an ethyleneoxy-substituted amino compound and process adapted to provide high constrast development
US4988604A (en) * 1990-05-24 1991-01-29 Eastman Kodak Company High contrast photographic element including an aryl sulfonamidophenyl hydrazide containing both thio and ethyleneoxy groups

Also Published As

Publication number Publication date
JP3042714B2 (ja) 2000-05-22
ATE165454T1 (de) 1998-05-15
US5342732A (en) 1994-08-30
JPH05507802A (ja) 1993-11-04
EP0536345A1 (de) 1993-04-14
EP0536345B1 (de) 1998-04-22
DE69225187D1 (de) 1998-05-28
WO1992015042A1 (en) 1992-09-03

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition