DE68926127T2 - High contrast photographic materials containing microcrystalline dispersions of hydrazines - Google Patents

High contrast photographic materials containing microcrystalline dispersions of hydrazines

Info

Publication number
DE68926127T2
DE68926127T2 DE1989626127 DE68926127T DE68926127T2 DE 68926127 T2 DE68926127 T2 DE 68926127T2 DE 1989626127 DE1989626127 DE 1989626127 DE 68926127 T DE68926127 T DE 68926127T DE 68926127 T2 DE68926127 T2 DE 68926127T2
Authority
DE
Germany
Prior art keywords
hydrazines
high contrast
materials containing
photographic materials
containing microcrystalline
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 - Fee Related
Application number
DE1989626127
Other languages
German (de)
Other versions
DE68926127D1 (en
Inventor
Kevin P Hall
George W Beebe
Edmund C Newman
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.)
3M Co
Original Assignee
Minnesota Mining and Manufacturing 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
Application filed by Minnesota Mining and Manufacturing Co filed Critical Minnesota Mining and Manufacturing Co
Publication of DE68926127D1 publication Critical patent/DE68926127D1/en
Application granted granted Critical
Publication of DE68926127T2 publication Critical patent/DE68926127T2/en
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • G03C1/061—Hydrazine compounds
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • General Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Silver Salt Photography Or Processing Solution Therefor (AREA)
DE1989626127 1988-01-29 1989-01-30 High contrast photographic materials containing microcrystalline dispersions of hydrazines Expired - Fee Related DE68926127T2 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB888802024A GB8802024D0 (en) 1988-01-29 1988-01-29 High contrast photographic materials containing microcrystal dispersions of hydrazines

Publications (2)

Publication Number Publication Date
DE68926127D1 DE68926127D1 (en) 1996-05-09
DE68926127T2 true DE68926127T2 (en) 1996-08-29

Family

ID=10630748

Family Applications (1)

Application Number Title Priority Date Filing Date
DE1989626127 Expired - Fee Related DE68926127T2 (en) 1988-01-29 1989-01-30 High contrast photographic materials containing microcrystalline dispersions of hydrazines

Country Status (4)

Country Link
EP (1) EP0326433B1 (en)
JP (1) JPH023033A (en)
DE (1) DE68926127T2 (en)
GB (1) GB8802024D0 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH07175159A (en) * 1993-12-17 1995-07-14 Konica Corp Silver halide photographic sensitive material and processing method therefor

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5395618A (en) * 1977-02-01 1978-08-22 Konishiroku Photo Ind Co Ltd Silver halide photosensitive material
JPS5722089A (en) * 1980-07-10 1982-02-04 Serabisu Sa Pageant indicator for typewriter
JPS589410A (en) * 1981-07-09 1983-01-19 Toshiba Corp Operational amplifier
JPS5830568A (en) * 1981-08-19 1983-02-23 Oval Eng Co Ltd Constant flow valve
JPS58105141A (en) * 1981-12-17 1983-06-22 Fuji Photo Film Co Ltd Manufacture of silver halide emulsion
JPS5952817A (en) * 1982-09-20 1984-03-27 Hitachi Ltd Transformer
CA1232068A (en) * 1984-06-08 1988-01-26 National Research Council Of Canada Form depicting, optical interference authenticating device
GB8617335D0 (en) * 1986-07-16 1986-08-20 Minnesota Mining & Mfg Photographic light-sensitive systems

Also Published As

Publication number Publication date
EP0326433B1 (en) 1996-04-03
DE68926127D1 (en) 1996-05-09
EP0326433A2 (en) 1989-08-02
JPH023033A (en) 1990-01-08
GB8802024D0 (en) 1988-02-24
EP0326433A3 (en) 1991-01-16

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee