FR1511490A - Procédé de purification de coupleurs récupérés des révélateurs photographiques - Google Patents

Procédé de purification de coupleurs récupérés des révélateurs photographiques

Info

Publication number
FR1511490A
FR1511490A FR95122A FR95122A FR1511490A FR 1511490 A FR1511490 A FR 1511490A FR 95122 A FR95122 A FR 95122A FR 95122 A FR95122 A FR 95122A FR 1511490 A FR1511490 A FR 1511490A
Authority
FR
France
Prior art keywords
couplers
recovered
purification
photographic developers
developers
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
FR95122A
Other languages
English (en)
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.)
Eastman Kodak Co
Original Assignee
Eastman Kodak 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 Eastman Kodak Co filed Critical Eastman Kodak Co
Application granted granted Critical
Publication of FR1511490A publication Critical patent/FR1511490A/fr
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D231/00—Heterocyclic compounds containing 1,2-diazole or hydrogenated 1,2-diazole rings
    • C07D231/02—Heterocyclic compounds containing 1,2-diazole or hydrogenated 1,2-diazole rings not condensed with other rings
    • C07D231/10—Heterocyclic compounds containing 1,2-diazole or hydrogenated 1,2-diazole rings not condensed with other rings having two or three double bonds between ring members or between ring members and non-ring members
    • C07D231/14—Heterocyclic compounds containing 1,2-diazole or hydrogenated 1,2-diazole rings not condensed with other rings having two or three double bonds between ring members or between ring members and non-ring members with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached to ring carbon atoms
    • C07D231/44—Oxygen and nitrogen or sulfur and nitrogen atoms
    • C07D231/52—Oxygen atom in position 3 and nitrogen atom in position 5, or vice versa
    • 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
FR95122A 1966-02-21 1967-02-16 Procédé de purification de coupleurs récupérés des révélateurs photographiques Expired FR1511490A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US52876766A 1966-02-21 1966-02-21

Publications (1)

Publication Number Publication Date
FR1511490A true FR1511490A (fr) 1968-01-26

Family

ID=24107096

Family Applications (1)

Application Number Title Priority Date Filing Date
FR95122A Expired FR1511490A (fr) 1966-02-21 1967-02-16 Procédé de purification de coupleurs récupérés des révélateurs photographiques

Country Status (5)

Country Link
US (1) US3458574A (fr)
BE (1) BE693878A (fr)
DE (1) DE1547776A1 (fr)
FR (1) FR1511490A (fr)
GB (1) GB1139152A (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1597596B2 (de) * 1966-12-28 1977-01-13 Fuji Shashin Film K.K., Ashigara, Kanagawa (Japan) Farbentwickler
JPS5427428A (en) * 1977-08-03 1979-03-01 Fuji Photo Film Co Ltd Recovery method of oil soluble couplers
GB2120361B (en) * 1978-08-18 1984-06-13 Pegler Hattersley Australia Pt Check valve
US4474985A (en) * 1981-07-06 1984-10-02 Monsanto Company Purification of N-acetyl aminophenols

Also Published As

Publication number Publication date
GB1139152A (en) 1969-01-08
US3458574A (en) 1969-07-29
BE693878A (fr) 1967-07-17
DE1547776A1 (de) 1970-01-08

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