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. 27, 2013
Filed:
Jan. 12, 2009
Klaus Lorenz, Zangberg, DE;
Gerhard Albrecht, Prien am Chiemsee, DE;
Silke Flakus, Ebersberg, DE;
Alexander Kraus, Evenhausen, DE;
Helmut Mack, Traunstein, DE;
Petra Wagner, Trostberg, DE;
Christian Scholz, Wald an der Alz, DE;
Barbara Wimmer, Tacherting, DE;
Angelika Hartl, Emertsham, DE;
Martin Winklbauer, Halsbach, DE;
Klaus Lorenz, Zangberg, DE;
Gerhard Albrecht, Prien am Chiemsee, DE;
Silke Flakus, Ebersberg, DE;
Alexander Kraus, Evenhausen, DE;
Helmut Mack, Traunstein, DE;
Petra Wagner, Trostberg, DE;
Christian Scholz, Wald an der Alz, DE;
Barbara Wimmer, Tacherting, DE;
Angelika Hartl, Emertsham, DE;
Martin Winklbauer, Halsbach, DE;
Construction Research & Technology GmbH, Trostberg, DE;
Abstract
The invention relates to a copolymer which is suitable as a superplasticizer for hydraulic binders and comprises 5 to 55 mol % of an isoprenol polyether derivative structural unit, 2 to 90 mol % of an acrylic acid derivative structural unit and 2 to 90 mol % of a hydroxyalkyl acrylate structural unit.