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:
May. 23, 1978
Filed:
Dec. 15, 1976
Applicant:
Inventors:
Manfred Petzold, Dusseldorf, DT;
Heinz Grunert, Dusseldorf, DT;
Wolfgang Rupilius, Dusseldorf, DT;
Horst Rutzen, Langenfeld, DT;
Assignee:
Henkel Kommanditgesellschaft auf Aktien, Dusseldorf-Holthausen, DT;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
D06P / ; C07C / ;
U.S. Cl.
CPC ...
8169 ; 8 14 / ; 8 41 / ; 8 84 ; 8 88 ; 8168 / ; 8172 / ; 8177 / ; 2605 / ; 2605 / ;
Abstract
Water-soluble quaternary ammonium compounds of the formula: ##STR1## wherein R.sub.1 and R.sub.2 are each alkyl groups of C.sub.1-15 chain length wherein the sum of the carbon atoms in said groups is 9 to 18; R.sub.3 represents a C.sub.1-5 alkyl or hydroxyalkyl group; R.sub.4 represents a C.sub.1-5 alkyl, hydroxyalkyl or benzyl group; R.sub.5 represents a benzyl group; and X represents a salt-forming anion, are effective retardant-levelling agents in the dyeing of anionic polyacrylonitrile fibers with basic (i.e. cationic) dyes.