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:
Mar. 31, 1987
Filed:
May. 07, 1985
Applicant:
Inventors:
Hans-Joachim Kollmeier, Essen, DE;
Rolf-Dieter Langenhagen, Hattingen-Niederwenigern, DE;
Klaus Hoffmann, Essen, DE;
Assignee:
Th. Goldschmidt AG, Essen, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C11D / ;
U.S. Cl.
CPC ...
25217415 ; 252546 ; 252D / ; 424 70 ; 528 26 ; 528 28 ; 528 33 ; 528 41 ; 556413 ; 556420 ; 556437 ; 556467 ;
Abstract
Organopolysiloxanes that have betaine groups and are of the general formula ##STR1## in which R.sup.1 can represent the same or different groups in the molecule and may be an alkyl radical with 1 to 18 carbon atoms, an aryl radical or a polyoxyalkylene radical with the proviso that at least 70% of the R.sup.1 radicals are methyl radicals,