AT297178B - Process for the preparation of new 3'-hydroxy-quinophthalone dyes - Google Patents

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

Info

Publication number
AT297178B
AT297178B AT1062670A AT1062670A AT297178B AT 297178 B AT297178 B AT 297178B AT 1062670 A AT1062670 A AT 1062670A AT 1062670 A AT1062670 A AT 1062670A AT 297178 B AT297178 B AT 297178B
Authority
AT
Austria
Prior art keywords
hydroxy
preparation
new
quinophthalone dyes
quinophthalone
Prior art date
Application number
AT1062670A
Other languages
German (de)
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
Application granted granted Critical
Publication of AT297178B publication Critical patent/AT297178B/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
AT1062670A 1969-11-26 1970-11-25 Process for the preparation of new 3'-hydroxy-quinophthalone dyes AT297178B (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
AT297178B true AT297178B (en) 1972-03-10

Family

ID=5752117

Family Applications (1)

Application Number Title Priority Date Filing Date
AT1062670A AT297178B (en) 1969-11-26 1970-11-25 Process for the preparation of new 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
CH527877A (en) 1972-09-15
GB1275896A (en) 1972-05-24
DE1959321A1 (en) 1971-05-27
NL7017107A (en) 1971-05-28
FR2072483A5 (en) 1971-09-24
BE759471A (en) 1971-04-30

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