CA1001885A - Azodicarbonamidine salts as silver halide fog inhibitors - Google Patents

Azodicarbonamidine salts as silver halide fog inhibitors

Info

Publication number
CA1001885A
CA1001885A CA140,044A CA140044A CA1001885A CA 1001885 A CA1001885 A CA 1001885A CA 140044 A CA140044 A CA 140044A CA 1001885 A CA1001885 A CA 1001885A
Authority
CA
Canada
Prior art keywords
azodicarbonamidine
salts
silver halide
fog inhibitors
halide fog
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
Application number
CA140,044A
Other languages
English (en)
Other versions
CA140044S (en
Inventor
Walter Ferro
Agostino Baldassarri
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 CA1001885A publication Critical patent/CA1001885A/en
Expired 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
    • G03C1/34—Fog-inhibitors; Stabilisers; Agents inhibiting latent image regression
    • 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
    • G03C1/33—Spot-preventing agents

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)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
CA140,044A 1971-04-29 1972-04-19 Azodicarbonamidine salts as silver halide fog inhibitors Expired CA1001885A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT50035/71A IT942090B (it) 1971-04-29 1971-04-29 Agenti antivelo e antimacchia per emulsioni fotografiche all alogenuro d argento

Publications (1)

Publication Number Publication Date
CA1001885A true CA1001885A (en) 1976-12-21

Family

ID=11272130

Family Applications (1)

Application Number Title Priority Date Filing Date
CA140,044A Expired CA1001885A (en) 1971-04-29 1972-04-19 Azodicarbonamidine salts as silver halide fog inhibitors

Country Status (10)

Country Link
US (1) US3819380A (fr)
JP (1) JPS5539822B1 (fr)
AR (1) AR194100A1 (fr)
BE (1) BE782824A (fr)
CA (1) CA1001885A (fr)
CH (1) CH571234A5 (fr)
DE (1) DE2221024C3 (fr)
FR (1) FR2136777A5 (fr)
GB (1) GB1383386A (fr)
IT (1) IT942090B (fr)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0749038A1 (fr) * 1995-06-16 1996-12-18 Minnesota Mining And Manufacturing Company Matériaux photographiques sensible à la lumière comprenant des grains tabulaires à l'halogénure d'argent et des dérivés d'azodicarbonamide
US6328906B1 (en) * 1997-12-18 2001-12-11 Atlantic Research Corporation Chemical delivery systems for fire suppression
US6093269A (en) * 1997-12-18 2000-07-25 Atlantic Research Corporation Pyrotechnic gas generant composition including high oxygen balance fuel
CA2333942A1 (fr) * 1998-06-10 2000-01-06 Robert S. Scheffee Composition pyrotechnique generant un gaz et carburant equilibre en oxygene
US6277221B1 (en) * 1999-04-13 2001-08-21 Atlantic Research Corporation Propellant compositions with salts and complexes of lanthanide and rare earth elements
US6143101A (en) * 1999-07-23 2000-11-07 Atlantic Research Corporation Chlorate-free autoignition compositions and methods
US6156137A (en) * 1999-11-05 2000-12-05 Atlantic Research Corporation Gas generative compositions

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT149503B (de) * 1932-09-08 1937-05-10 Wallace & Tiernan Inc Verfahren zur Darstellung von N.N'-Dichlorazodicarbonamidin.
US3023103A (en) * 1960-08-02 1962-02-27 Gen Aniline & Film Corp Antifoggants and stabilizers for photographic silver halide emulsions
US3655391A (en) * 1969-05-16 1972-04-11 Paoli Merli Azodicarbonamide fog inhibitors

Also Published As

Publication number Publication date
FR2136777A5 (fr) 1972-12-22
GB1383386A (en) 1974-02-12
US3819380A (en) 1974-06-25
DE2221024A1 (de) 1972-12-21
DE2221024B2 (de) 1981-02-26
JPS5539822B1 (fr) 1980-10-14
IT942090B (it) 1973-03-20
CH571234A5 (fr) 1975-12-31
DE2221024C3 (de) 1981-11-19
BE782824A (fr) 1972-10-30
AR194100A1 (es) 1973-06-22

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