GB840760A - New dyestuff of the perylene tetracarboxylic acid series - Google Patents

New dyestuff of the perylene tetracarboxylic acid series

Info

Publication number
GB840760A
GB840760A GB33150/57A GB3315057A GB840760A GB 840760 A GB840760 A GB 840760A GB 33150/57 A GB33150/57 A GB 33150/57A GB 3315057 A GB3315057 A GB 3315057A GB 840760 A GB840760 A GB 840760A
Authority
GB
United Kingdom
Prior art keywords
tetracarboxylic acid
acid series
perylene tetracarboxylic
new dyestuff
anhydride
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
GB33150/57A
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.)
Hoechst AG
Original Assignee
Hoechst AG
Farbwerke Hoechst 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 Hoechst AG, Farbwerke Hoechst AG filed Critical Hoechst AG
Publication of GB840760A publication Critical patent/GB840760A/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
    • C09B5/00—Dyes with an anthracene nucleus condensed with one or more heterocyclic rings with or without carbocyclic rings
    • C09B5/62—Cyclic imides or amidines of peri-dicarboxylic acids of the anthracene, benzanthrene, or perylene series

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Nitrogen Condensed Heterocyclic Rings (AREA)

Abstract

The invention comprises a red dyestuff of the formula: <FORM:0840760/IV (c)/1> and a process for making it by condensing penylene-3 : 4 : 9 : 10-tetracarboxylic acid or its anhydride with 4-aminodiphenyl. In examples, the anhydride is used and the condensation conducted in the presence of (1) concentrated hydrochloric acid and quinoline, and (2) dilute sulphuric acid. Specification 659,529 also is referred to.
GB33150/57A 1956-10-24 1957-10-23 New dyestuff of the perylene tetracarboxylic acid series Expired GB840760A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE840760X 1956-10-24

Publications (1)

Publication Number Publication Date
GB840760A true GB840760A (en) 1960-07-13

Family

ID=6764644

Family Applications (1)

Application Number Title Priority Date Filing Date
GB33150/57A Expired GB840760A (en) 1956-10-24 1957-10-23 New dyestuff of the perylene tetracarboxylic acid series

Country Status (1)

Country Link
GB (1) GB840760A (en)

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