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. 31, 2017
Filed:
Jan. 27, 2014
Basf SE, Ludwigshafen, DE;
Christoph Hesse, Ebersberg, DE;
Manfred Bichler, Engelsberg, DE;
Alexander Kraus, Pittenhart, DE;
Luc Nicoleau, Ludwigshafen am Rhein, DE;
Torben Gädt, Traunstein, DE;
Martin Winklbauer, Halsbach, DE;
BASF SE, Ludwigshafen, DE;
Abstract
The invention relates to an additive which can be used as a hardening accelerator for hydraulically setting compositions, comprising a) at least one polymeric dispersant comprising structural units having anionic or anionogenic groups and structural units having polyether side chains, b) at least one sulfonic acid compound of the formula (I) in which Ais NH, NHMe, NMe, N(CH—CH—OH), CH, CH, CH—CH—OH, phenyl, or p-CH-phenyl and Kis an alkali metal cation, or one equivalent of a cation selected from Ca, Mg, Sr, Ba, Zn, Fe, Fe, Al, Mn, or Cu, and c) calcium silicate hydrate particles.