CA1001471A - Azodicarbonamides as photographic bleaching agents - Google Patents

Azodicarbonamides as photographic bleaching agents

Info

Publication number
CA1001471A
CA1001471A CA139,445A CA139445A CA1001471A CA 1001471 A CA1001471 A CA 1001471A CA 139445 A CA139445 A CA 139445A CA 1001471 A CA1001471 A CA 1001471A
Authority
CA
Canada
Prior art keywords
azodicarbonamides
bleaching agents
photographic bleaching
photographic
agents
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
CA139,445A
Other languages
English (en)
Other versions
CA139445S (en
Inventor
David W. Swan
George F. Duffin
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 CA1001471A publication Critical patent/CA1001471A/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
    • G03C5/00—Photographic processes or agents therefor; Regeneration of such processing agents
    • G03C5/26—Processes using silver-salt-containing photosensitive materials or agents therefor
    • G03C5/40—Chemically transforming developed images
    • G03C5/44—Bleaching; Bleach-fixing

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Silver Salt Photography Or Processing Solution Therefor (AREA)
CA139,445A 1971-04-14 1972-04-11 Azodicarbonamides as photographic bleaching agents Expired CA1001471A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB942071 1971-04-14

Publications (1)

Publication Number Publication Date
CA1001471A true CA1001471A (en) 1976-12-14

Family

ID=9871638

Family Applications (1)

Application Number Title Priority Date Filing Date
CA139,445A Expired CA1001471A (en) 1971-04-14 1972-04-11 Azodicarbonamides as photographic bleaching agents

Country Status (10)

Country Link
US (1) US3772018A (enExample)
JP (1) JPS5535695B1 (enExample)
AR (1) AR201420A1 (enExample)
BE (1) BE782177A (enExample)
CA (1) CA1001471A (enExample)
CH (1) CH591101A5 (enExample)
DE (1) DE2218189C2 (enExample)
FR (1) FR2133661B1 (enExample)
GB (1) GB1351464A (enExample)
IT (1) IT952635B (enExample)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60142718A (ja) * 1983-12-29 1985-07-27 Matsushita Electric Ind Co Ltd 電子式交流電圧可変装置
JPS60142719A (ja) * 1983-12-29 1985-07-27 Matsushita Electric Ind Co Ltd 電子式交流電圧可変装置
EP0749038A1 (en) * 1995-06-16 1996-12-18 Minnesota Mining And Manufacturing Company Light-sensitive photographic materials comprising tabular silver halide grains and azodicarbonamide derivatives
US11041456B2 (en) 2017-03-30 2021-06-22 Quest Engines, LLC Internal combustion engine
US10989138B2 (en) 2017-03-30 2021-04-27 Quest Engines, LLC Internal combustion engine
US10598285B2 (en) 2017-03-30 2020-03-24 Quest Engines, LLC Piston sealing system
US10753308B2 (en) 2017-03-30 2020-08-25 Quest Engines, LLC Internal combustion engine
JP6894981B2 (ja) 2017-04-28 2021-06-30 クエスト エンジンズ，エルエルシー 可変容積室デバイス
US10883498B2 (en) 2017-05-04 2021-01-05 Quest Engines, LLC Variable volume chamber for interaction with a fluid
US11060636B2 (en) 2017-09-29 2021-07-13 Quest Engines, LLC Engines and pumps with motionless one-way valve
WO2019147963A1 (en) 2018-01-26 2019-08-01 Quest Engines, LLC Method and apparatus for producing stratified streams
WO2019147797A2 (en) 2018-01-26 2019-08-01 Quest Engines, LLC Audio source waveguide

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH336527A (de) * 1954-05-31 1959-02-28 Ciba Geigy Verfahren zur Herstellung neuer kupferhaltiger Disazofarbstoffe
US3655391A (en) * 1969-05-16 1972-04-11 Paoli Merli Azodicarbonamide fog inhibitors
GB1297653A (enExample) * 1969-12-23 1972-11-29

Also Published As

Publication number Publication date
JPS5535695B1 (enExample) 1980-09-16
FR2133661B1 (enExample) 1976-08-06
DE2218189A1 (de) 1972-11-02
FR2133661A1 (enExample) 1972-12-01
IT952635B (it) 1973-07-30
CH591101A5 (enExample) 1977-09-15
DE2218189C2 (de) 1981-12-10
AR201420A1 (es) 1975-03-14
GB1351464A (en) 1974-05-01
US3772018A (en) 1973-11-13
BE782177A (fr) 1972-07-31

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