FR1225352A - Process for preparing quinacridones from 6,13-dihydroquinacridones - Google Patents

Process for preparing quinacridones from 6,13-dihydroquinacridones

Info

Publication number
FR1225352A
FR1225352A FR795510A FR795510A FR1225352A FR 1225352 A FR1225352 A FR 1225352A FR 795510 A FR795510 A FR 795510A FR 795510 A FR795510 A FR 795510A FR 1225352 A FR1225352 A FR 1225352A
Authority
FR
France
Prior art keywords
dihydroquinacridones
quinacridones
preparing
preparing quinacridones
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
FR795510A
Other languages
French (fr)
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.)
Novartis AG
Original Assignee
Ciba Geigy AG
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 Ciba Geigy AG filed Critical Ciba Geigy AG
Application granted granted Critical
Publication of FR1225352A publication Critical patent/FR1225352A/en
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09B—ORGANIC DYES OR CLOSELY-RELATED COMPOUNDS FOR PRODUCING DYES, e.g. PIGMENTS; MORDANTS; LAKES
    • C09B48/00—Quinacridones

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
FR795510A 1958-06-11 1959-05-25 Process for preparing quinacridones from 6,13-dihydroquinacridones Expired FR1225352A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH1225352X 1958-06-11

Publications (1)

Publication Number Publication Date
FR1225352A true FR1225352A (en) 1960-06-30

Family

ID=4563968

Family Applications (1)

Application Number Title Priority Date Filing Date
FR795510A Expired FR1225352A (en) 1958-06-11 1959-05-25 Process for preparing quinacridones from 6,13-dihydroquinacridones

Country Status (1)

Country Link
FR (1) FR1225352A (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1210110B (en) * 1961-07-08 1966-02-03 Cassella Farbwerke Mainkur Ag Process for the preparation of quinacridones
US5093497A (en) * 1988-10-12 1992-03-03 Bayer Aktiengesellschaft Process for the preparation of a substituted or unsubstituted quinacridone
EP0530142A1 (en) * 1991-08-22 1993-03-03 Ciba-Geigy Ag Oxidation process for preparing quinacridone pigments
US5502192A (en) * 1994-08-08 1996-03-26 Ciba-Geigy Corporation Process for the preparation of quinacridones from dihydroquinacridones in an aqueous medium

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1210110B (en) * 1961-07-08 1966-02-03 Cassella Farbwerke Mainkur Ag Process for the preparation of quinacridones
US5093497A (en) * 1988-10-12 1992-03-03 Bayer Aktiengesellschaft Process for the preparation of a substituted or unsubstituted quinacridone
EP0530142A1 (en) * 1991-08-22 1993-03-03 Ciba-Geigy Ag Oxidation process for preparing quinacridone pigments
US5286863A (en) * 1991-08-22 1994-02-15 Ciba-Geigy Corporation Oxidation process for preparing quinacridone pigments
US5502192A (en) * 1994-08-08 1996-03-26 Ciba-Geigy Corporation Process for the preparation of quinacridones from dihydroquinacridones in an aqueous medium

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