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:
Aug. 25, 2015
Filed:
Dec. 20, 2011
Applicants:
Ueli Sulser, Unterengstringen, CH;
Lukas Frunz, Zurich, CH;
Joerg Zimmermann, Winterthur, CH;
Inventors:
Assignee:
SIKA TECHNOLOGY AG, Baar, CH;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08F 22/02 (2006.01); C04B 24/26 (2006.01); C08F 220/28 (2006.01); C08F 222/06 (2006.01); C08F 216/14 (2006.01); C04B 103/00 (2006.01); C04B 103/40 (2006.01);
U.S. Cl.
CPC ...
C08F 22/02 (2013.01); C04B 24/267 (2013.01); C04B 24/2688 (2013.01); C08F 216/1416 (2013.01); C08F 220/28 (2013.01); C08F 222/06 (2013.01); C04B 2103/006 (2013.01); C04B 2103/408 (2013.01);
Abstract
The invention relates to comb polymers made from maleic acid or derivatives thereof, allyl ethers, and vinyl acetate, and the preparation thereof by free-radical polymerization at a reaction temperature of 10° C. to 50° C. The invention relates further to the use of such comb polymers to improve the workability of hydraulically setting compositions.