GB1275896A - 3'-hydroxy-quinophthalone dyestuffs - Google Patents

3'-hydroxy-quinophthalone dyestuffs

Info

Publication number
GB1275896A
GB1275896A GB5608470A GB5608470A GB1275896A GB 1275896 A GB1275896 A GB 1275896A GB 5608470 A GB5608470 A GB 5608470A GB 5608470 A GB5608470 A GB 5608470A GB 1275896 A GB1275896 A GB 1275896A
Authority
GB
United Kingdom
Prior art keywords
quinophthalone
hydroxy
nov
dyes
independently
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
GB5608470A
Inventor
Dietmar Kalz
Rutger Neeff
Gerhard Wolfrum
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.)
Bayer AG
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 GB1275896A publication Critical patent/GB1275896A/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
    • C09B25/00—Quinophthalones

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Coloring (AREA)

Abstract

1275896 Quinophthalone dyes FARBENFABRIKEN BAYER AG 25 Nov 1970 [26 Nov 1969] 56084/70 Heading C4P A 3<SP>1</SP>-hydroxy-quinophthalone dyestuff which is free from any sulphonic acid groups corresponds to the general formula in which R 1 and R 2 , independently of each other, denote hydrogen or a C 1 to C 18 -alkyl radical, with the proviso that the sum total of carbon atoms contained in R 1 and R 2 is at least 8; each Z 1 independently stands for a halogen atom, a nitro, C 1 to C 4 -alkyl, C 1 to C 4 -alkoxy or an acylamino group; m is 0, 1, 2 or 3; Z 2 is a fused benzene ring; and n is 1 or 0. The dyes are prepared by reacting an appropriate quinophthalone acid halide with an alcohol.
GB5608470A 1969-11-26 1970-11-25 3'-hydroxy-quinophthalone dyestuffs Expired GB1275896A (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
GB1275896A true GB1275896A (en) 1972-05-24

Family

ID=5752117

Family Applications (1)

Application Number Title Priority Date Filing Date
GB5608470A Expired GB1275896A (en) 1969-11-26 1970-11-25 3'-hydroxy-quinophthalone dyestuffs

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
NL7017107A (en) 1971-05-28
DE1959321A1 (en) 1971-05-27
BE759471A (en) 1971-04-30
CH527877A (en) 1972-09-15
FR2072483A5 (en) 1971-09-24
AT297178B (en) 1972-03-10

Similar Documents

Publication Publication Date Title
GB1339968A (en) Fluoran derivatives
GB1233793A (en)
ES341913A1 (en) Sulfonated 1-sec-alkylamino-4-aralkylamino-anthraquinones
GB1181744A (en) Anthraquinone Reactive Dyestuffs
GB1275896A (en) 3&#39;-hydroxy-quinophthalone dyestuffs
GB1205365A (en) Anthraquinone dyes
GB830003A (en) Improvements in photographic silver halide emulsions
GB1231411A (en)
GB1288998A (en)
GB1267017A (en)
GB1449532A (en) Vat dyestuffs and processes for their preparation and use
GB1458528A (en) Pyrazolotriazoles
GB1137036A (en) Water-insoluble monoazo dyestuffs containing at least one carbonic ester group
GB1136659A (en) Dyeing process and composition
GB1135685A (en) New anthraquinone dyestuffs, their manufacture and use
GB1310694A (en) Dyestuffs of the anthraquinone series and process for preparing them
GB1170195A (en) Reactive Dyestuffs
GB1348190A (en) Anthraquinone dyestuffs their manufacture and use
GB1090540A (en) Improvements relating to acid anthraquinone dyestuffs and their use
ES386440A1 (en) Disazo dyestuffs
ES442640A1 (en) Anthraquinone dyestuffs
GB1264280A (en)
GB1445310A (en) Transfer printing process
GB1418556A (en) Tosylated triazo dyestuffs
GB1271571A (en) Basic monoazo dyes, their production and use

Legal Events

Date Code Title Description
PS Patent sealed
PLNP Patent lapsed through nonpayment of renewal fees