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. 10, 2007
Filed:
Apr. 09, 2003
Applicants:
Christian Spindler, Wasserburg, DE;
Johann Plank, Trostberg, DE;
Andrea Fenchl, Wasserburg, DE;
Uwe Huber, Garching, DE;
Inventors:
Christian Spindler, Wasserburg, DE;
Johann Plank, Trostberg, DE;
Andrea Fenchl, Wasserburg, DE;
Uwe Huber, Garching, DE;
Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08F 26/08 (2006.01);
U.S. Cl.
CPC ...
Abstract
Water-soluble copolymers based on olefinic sulfonic acids, olefinic dicarboxylic acids, vinyl amides and vinyl ethers and/or allyl ethers and/or bisacryl derivatives are described as well as processes for their production and the use of these copolymers as water retention agents, thickeners or anti-segregation agents for aqueous building material systems that contain hydraulic binding agents such as cement, lime, gypsum, anhydrite etc. or for clay suspensions preferably based on bentonite.