GB1199098A - Quinophthalone Dyestuffs - Google Patents

Quinophthalone Dyestuffs

Info

Publication number
GB1199098A
GB1199098A GB5945868A GB5945868A GB1199098A GB 1199098 A GB1199098 A GB 1199098A GB 5945868 A GB5945868 A GB 5945868A GB 5945868 A GB5945868 A GB 5945868A GB 1199098 A GB1199098 A GB 1199098A
Authority
GB
United Kingdom
Prior art keywords
quinophthalone
acylamino
dec
alkoxy
halogen
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
GB5945868A
Inventor
Dietmar Kalz
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
Priority claimed from DE19681769789 external-priority patent/DE1769789C3/en
Application filed by Bayer AG filed Critical Bayer AG
Publication of GB1199098A publication Critical patent/GB1199098A/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)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Cosmetics (AREA)

Abstract

1,199,098. Quinophthalones. FARBENFABRIKEN BAYER A.G. 13 Dec., 1968 [19 Dec., 1967; 12 July, 1968], No. 59458/68. Heading C4P. [Also in Division D1] The invention relates to quinophthalone dyes of formula wherein R 1 and R 2 are H 1 halogen, acylamino or alkoxy (1-5c) provided that at least one and only one of R 1 ad R 2 is acylamino, R 3 is H, halogen or alkoxy (1-5c) X is substituent and n is 0 to 3. The dyes are prepared by the usual condensation methods.
GB5945868A 1967-12-19 1968-12-13 Quinophthalone Dyestuffs Expired GB1199098A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE1644680 1967-12-19
DE19681769789 DE1769789C3 (en) 1968-07-12 Mixtures of quinophthalone dyes, their preparation and use

Publications (1)

Publication Number Publication Date
GB1199098A true GB1199098A (en) 1970-07-15

Family

ID=25754100

Family Applications (1)

Application Number Title Priority Date Filing Date
GB5945868A Expired GB1199098A (en) 1967-12-19 1968-12-13 Quinophthalone Dyestuffs

Country Status (5)

Country Link
BE (1) BE725664A (en)
CH (2) CH1759168A4 (en)
ES (1) ES361573A1 (en)
FR (1) FR1604172A (en)
GB (1) GB1199098A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3932419A (en) * 1972-05-27 1976-01-13 Bayer Aktiengesellschaft Quinophthalone dyestuffs
DE19636880A1 (en) * 1996-09-11 1998-03-12 Bayer Ag Process for the production of quinophthalones

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3932419A (en) * 1972-05-27 1976-01-13 Bayer Aktiengesellschaft Quinophthalone dyestuffs
DE19636880A1 (en) * 1996-09-11 1998-03-12 Bayer Ag Process for the production of quinophthalones
EP0829522A1 (en) * 1996-09-11 1998-03-18 Bayer Ag Process for the preparation of quinophthalones

Also Published As

Publication number Publication date
ES361573A1 (en) 1970-11-01
CH1759168A4 (en) 1971-09-15
CH517212A (en) 1971-09-15
BE725664A (en) 1969-05-29
FR1604172A (en) 1971-07-26

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Legal Events

Date Code Title Description
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee