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:
Apr. 09, 1996
Filed:
Nov. 09, 1994
Applicant:
Inventors:
Hermann Uhr, Krefeld, DE;
Lutz Heuer, Krefeld, DE;
Torsten Groth, Koln, DE;
Winfried Joentgen, Koln, DE;
Roland Kleinstuck, Bergisch Gladbach, DE;
Assignee:
Bayer AG, Leverkusen, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08G / ; C02F / ;
U.S. Cl.
CPC ...
528322 ; 210698 ; 210699 ; 210700 ; 210701 ; 252180 ; 525419 ; 525420 ; 525539 ; 528328 ; 528363 ; 528364 ;
Abstract
Sulfonic acid group-containing polyaspartic acid derivatives, some of which are novel, having repeating units of the structures I and II ##STR1## in which R.sup.1 has the meaning given in the description, are suitable for water treatment and as a detergent additive.