Organic compounds -- part of the class 532-570 series – Organic compounds – Carboxylic acids and salts thereof
Patent
1982-09-27
1984-06-05
Shippen, Michael L.
Organic compounds -- part of the class 532-570 series
Organic compounds
Carboxylic acids and salts thereof
528148, C07C147107, C08G 824
Patent
active
044530021
ABSTRACT:
Condensation products which are obtained from formaldehyde, di-hydroxyaryl sulphones, phenols, if desired, and hydroxyarylcarboxylic acids and are prepared in a one-stage reaction at pH values between 2 and 5 are suitable as fixing agents for basic dyestuffs.
REFERENCES:
patent: 4196109 (1980-04-01), Laganis et al.
patent: 4216299 (1980-08-01), Kikuga et al.
Haus Artur
Maurer Werner
Zimmer Johann
Bayer Aktiengesellschaft
Shippen Michael L.
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