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:
Oct. 03, 2017
Filed:
Feb. 26, 2014
Applicant:
Construction Research & Technology, Gmbh, Trostberg, DE;
Inventors:
Torben Gädt, Traunstein, DE;
Harald Grassl, Feichten, DE;
Alexander Kraus, Pittenhart, DE;
Luc Nicoleau, Ludwigshafen am Rhein, DE;
Martin Winklbauer, Halsbach, DE;
Assignee:
Construction Research & Technology, GmbH, Trostberg, DE;
Primary Examiner:
Int. Cl.
CPC ...
C08K 3/32 (2006.01); C08K 3/28 (2006.01); C08K 3/22 (2006.01); C04B 14/00 (2006.01); C04B 16/04 (2006.01); C04B 40/00 (2006.01); C08F 290/06 (2006.01); C04B 103/30 (2006.01);
U.S. Cl.
CPC ...
C08K 3/32 (2013.01); C04B 14/00 (2013.01); C04B 16/04 (2013.01); C04B 40/0039 (2013.01); C08F 290/062 (2013.01); C08K 3/22 (2013.01); C08K 3/28 (2013.01); C04B 2103/308 (2013.01); C08K 2003/287 (2013.01); C08K 2003/329 (2013.01);
Abstract
The present invention relates to an additive for hydraulically setting compositions, comprising a colloidally disperse preparation of at least one water-soluble salt of a polyvalent metal cation, at least one compound capable of releasing an anion which forms a sparingly soluble salt with the polyvalent metal cation, and at least one polymeric dispersant which comprises anionic and/or anionogenic groups and polyether side chains.