CA1339297C - Materiaux photographiques a grand contraste pour eclairage intense - Google Patents

Materiaux photographiques a grand contraste pour eclairage intense

Info

Publication number
CA1339297C
CA1339297C CA 603412 CA603412A CA1339297C CA 1339297 C CA1339297 C CA 1339297C CA 603412 CA603412 CA 603412 CA 603412 A CA603412 A CA 603412A CA 1339297 C CA1339297 C CA 1339297C
Authority
CA
Canada
Prior art keywords
silver halide
hydrogen
photographic
alkyl
hydrazine
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
CA 603412
Other languages
English (en)
Inventor
Kevin P. Hall
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
Application granted granted Critical
Publication of CA1339297C publication Critical patent/CA1339297C/fr
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
    • G03C1/08—Sensitivity-increasing substances
    • G03C1/10—Organic substances
    • G03C1/12—Methine and polymethine dyes
    • G03C1/14—Methine and polymethine dyes with an odd number of CH groups
    • G03C1/16—Methine and polymethine dyes with an odd number of CH groups with one CH group
    • 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

  • Physics & Mathematics (AREA)
  • Chemical & Material Sciences (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)
CA 603412 1988-06-23 1989-06-21 Materiaux photographiques a grand contraste pour eclairage intense Expired - Fee Related CA1339297C (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB888814964A GB8814964D0 (en) 1988-06-23 1988-06-23 Bright safe light handleable high contrast photographic materials
GB88.14964 1988-06-23

Publications (1)

Publication Number Publication Date
CA1339297C true CA1339297C (fr) 1997-08-19

Family

ID=10639226

Family Applications (1)

Application Number Title Priority Date Filing Date
CA 603412 Expired - Fee Related CA1339297C (fr) 1988-06-23 1989-06-21 Materiaux photographiques a grand contraste pour eclairage intense

Country Status (6)

Country Link
EP (1) EP0351077B1 (fr)
JP (1) JPH0246444A (fr)
AR (1) AR246127A1 (fr)
CA (1) CA1339297C (fr)
DE (1) DE68926939T2 (fr)
GB (1) GB8814964D0 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4933273A (en) * 1988-12-02 1990-06-12 Eastman Kodak Company Photographic element and emulsion having enhanced sensitometric properties and process of development

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5722089B2 (fr) * 1973-11-13 1982-05-11
CA1232068A (fr) * 1984-06-08 1988-01-26 National Research Council Of Canada Dispositif d'authentification interferometrique a reconnaissance de formes
JPS6129837A (ja) * 1984-07-23 1986-02-10 Fuji Photo Film Co Ltd ハロゲン化銀写真感光材料及びそれを用いた超硬調ネガ画像形成方法
GB8617335D0 (en) * 1986-07-16 1986-08-20 Minnesota Mining & Mfg Photographic light-sensitive systems
JPH0731381B2 (ja) * 1986-09-05 1995-04-10 富士写真フイルム株式会社 超硬調ネガ型ハロゲン化銀写真感光材料
JPH0652383B2 (ja) * 1986-10-27 1994-07-06 富士写真フイルム株式会社 ハロゲン化銀写真乳剤
JP2533333B2 (ja) * 1987-09-01 1996-09-11 富士写真フイルム株式会社 ハロゲン化銀写真感光材料

Also Published As

Publication number Publication date
AR246127A1 (es) 1994-03-30
JPH0246444A (ja) 1990-02-15
DE68926939D1 (de) 1996-09-19
GB8814964D0 (en) 1988-07-27
EP0351077B1 (fr) 1996-08-14
DE68926939T2 (de) 1997-01-30
EP0351077A1 (fr) 1990-01-17

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Legal Events

Date Code Title Description
MKLA Lapsed