CH527877A - Process for the preparation of 3'-hydroxy-quinophthalone dyes - Google Patents

Process for the preparation of 3'-hydroxy-quinophthalone dyes

Info

Publication number
CH527877A
CH527877A CH1656570A CH1656570A CH527877A CH 527877 A CH527877 A CH 527877A CH 1656570 A CH1656570 A CH 1656570A CH 1656570 A CH1656570 A CH 1656570A CH 527877 A CH527877 A CH 527877A
Authority
CH
Switzerland
Prior art keywords
hydroxy
preparation
quinophthalone dyes
quinophthalone
dyes
Prior art date
Application number
CH1656570A
Other languages
German (de)
Inventor
Dietmar Dr Kalz
Ruetger Dr Neeff
Gerhard Dr Wolfrum
Original Assignee
Bayer 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 Bayer Ag filed Critical Bayer Ag
Publication of CH527877A publication Critical patent/CH527877A/en

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
    • C09B25/00—Quinophthalones
CH1656570A 1969-11-26 1970-11-09 Process for the preparation of 3'-hydroxy-quinophthalone dyes CH527877A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19691959321 DE1959321A1 (en) 1969-11-26 1969-11-26 3'-hydroxy-quinophthalone dyes

Publications (1)

Publication Number Publication Date
CH527877A true CH527877A (en) 1972-09-15

Family

ID=5752117

Family Applications (1)

Application Number Title Priority Date Filing Date
CH1656570A CH527877A (en) 1969-11-26 1970-11-09 Process for the preparation of 3'-hydroxy-quinophthalone dyes

Country Status (7)

Country Link
AT (1) AT297178B (en)
BE (1) BE759471A (en)
CH (1) CH527877A (en)
DE (1) DE1959321A1 (en)
FR (1) FR2072483A5 (en)
GB (1) GB1275896A (en)
NL (1) NL7017107A (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3022837A1 (en) * 1980-06-19 1982-01-07 Bayer Ag, 5090 Leverkusen METHOD FOR PRODUCING ANIONIC CHINOPHTHALONE DYES

Also Published As

Publication number Publication date
GB1275896A (en) 1972-05-24
AT297178B (en) 1972-03-10
DE1959321A1 (en) 1971-05-27
NL7017107A (en) 1971-05-28
FR2072483A5 (en) 1971-09-24
BE759471A (en) 1971-04-30

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Legal Events

Date Code Title Description
PL Patent ceased