The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jul. 05, 1983
Filed:
Aug. 14, 1981
Applicant:
Inventors:
Winfried Kruckenberg, Leverkusen, DE;
Karl H Schundehutte, Leverkusen, DE;
Volker Hederich, Cologne, DE;
Assignee:
Bayer Aktiengesellschaft, Leverkusen, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C09B / ;
U.S. Cl.
CPC ...
8525 ; 8528 ;
Abstract
Dyestuff formulations which contain a dyestuff with at least one of the groupings of the formula ##STR1## and an emulsifying polar-nonpolar compound, are outstanding suitable for dyeing synthetic fibres since they are well soluble in the dyeing bath and do not require expensive formulation process for their preparation. In the formulae, the symbols have the following meanings: