CH521943A - Process for the preparation of aminophenols and their use - Google Patents

Process for the preparation of aminophenols and their use

Info

Publication number
CH521943A
CH521943A CH1280768A CH1280768A CH521943A CH 521943 A CH521943 A CH 521943A CH 1280768 A CH1280768 A CH 1280768A CH 1280768 A CH1280768 A CH 1280768A CH 521943 A CH521943 A CH 521943A
Authority
CH
Switzerland
Prior art keywords
aminophenols
preparation
Prior art date
Application number
CH1280768A
Other languages
German (de)
Inventor
Lugosy Laszlo
Original Assignee
Du Pont
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 Du Pont filed Critical Du Pont
Publication of CH521943A publication Critical patent/CH521943A/en

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
    • G03C7/00—Multicolour photographic processes or agents therefor; Regeneration of such processing agents; Photosensitive materials for multicolour processes
    • G03C7/30—Colour processes using colour-coupling substances; Materials therefor; Preparing or processing such materials
    • G03C7/32—Colour coupling substances
    • G03C7/34—Couplers containing phenols
    • 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
    • G03C5/29—Development processes or agents therefor
    • G03C5/30—Developers
    • G03C5/3021—Developers with oxydisable hydroxyl or amine groups linked to an aromatic ring
    • 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
    • G03C7/00—Multicolour photographic processes or agents therefor; Regeneration of such processing agents; Photosensitive materials for multicolour processes
    • G03C7/30—Colour processes using colour-coupling substances; Materials therefor; Preparing or processing such materials
    • G03C7/32—Colour coupling substances
    • G03C7/3212—Couplers characterised by a group not in coupling site, e.g. ballast group, as far as the coupling rest is not specific

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Silver Salt Photography Or Processing Solution Therefor (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
CH1280768A 1967-08-28 1968-08-27 Process for the preparation of aminophenols and their use CH521943A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US66349467A 1967-08-28 1967-08-28
US73810968A 1968-06-19 1968-06-19

Publications (1)

Publication Number Publication Date
CH521943A true CH521943A (en) 1972-04-30

Family

ID=27098761

Family Applications (1)

Application Number Title Priority Date Filing Date
CH1280768A CH521943A (en) 1967-08-28 1968-08-27 Process for the preparation of aminophenols and their use

Country Status (5)

Country Link
JP (1) JPS491568B1 (en)
CH (1) CH521943A (en)
DE (1) DE1793289C2 (en)
FR (1) FR1581244A (en)
GB (1) GB1210417A (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5439734B1 (en) * 1971-04-02 1979-11-29
JPS5242725A (en) * 1975-09-30 1977-04-02 Konishiroku Photo Ind Co Ltd Silver halide photographic light sensitive material
US5362616A (en) * 1991-12-19 1994-11-08 Eastman Kodak Company Chromogenic black-and-white photographic imaging systems
US5364747A (en) * 1992-11-25 1994-11-15 Eastman Kodak Company Color correcting layers consisting essentially of at least one dye-forming coupler and gelatin in chromogenic black-and-white photographic imaging systems
US6540793B1 (en) * 2000-02-01 2003-04-01 Clairol Incorporated Coupler for use in oxidative hair dyeing
CA2419463C (en) * 2000-08-30 2009-07-21 P&G-Clairol, Inc. Primary intermediates for oxidative coloration of hair

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE598399A (en) * 1959-12-21

Also Published As

Publication number Publication date
JPS491568B1 (en) 1974-01-14
FR1581244A (en) 1969-09-12
DE1793289A1 (en) 1972-07-06
DE1793289C2 (en) 1981-10-15
GB1210417A (en) 1970-10-28

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Legal Events

Date Code Title Description
PL Patent ceased