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. 21, 1989
Filed:
Mar. 15, 1988
Applicant:
Inventors:
Ludwig Schieferstein, Ratingen, DE;
Horst Hoeffkes, Duesseldorf, DE;
Kurt Seidel, Duesseldorf, DE;
Karl Giede, Hilden, DE;
Peter Busch, Erkrath, DE;
Assignee:
Henkel Kommanditgesellschaft auf Aktien, Duesseldorf, DE;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C11D / ;
U.S. Cl.
CPC ...
25217423 ; 252174 ; 25217424 ; 252D / ; 252D / ; 424 70 ; 5262921 ; 5262926 ; 52629295 ; 526258 ; 526260 ; 526264 ; 526265 ;
Abstract
New zwitterionic polymers are obtained as the copolymerization product of: