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:
Jun. 17, 2014
Filed:
Jan. 12, 2009
Silke Flakus, Ebersberg, DE;
Klaus Lorenz, Zangberg, DE;
Gerhard Albrecht, Prien am Chiemsee, DE;
Helmut Mack, Traunstein, DE;
Angelika Hartl, Emertsham, DE;
Martin Winklbauer, Halsbach, DE;
Petra Wagner, Trostberg, DE;
Barbara Wimmer, Tacherting, DE;
Christian Scholz, Wald an der Alz, DE;
Silke Flakus, Ebersberg, DE;
Klaus Lorenz, Zangberg, DE;
Gerhard Albrecht, Prien am Chiemsee, DE;
Helmut Mack, Traunstein, DE;
Angelika Hartl, Emertsham, DE;
Martin Winklbauer, Halsbach, DE;
Petra Wagner, Trostberg, DE;
Barbara Wimmer, Tacherting, DE;
Christian Scholz, Wald an der Alz, DE;
Construction Research & Technology GmbH, Trostberg, DE;
Abstract
The invention relates to a copolymer which can be used as a superplasticizer for hydraulic binders and comprises 30 to 47 mol % of a (meth)allyl alcohol polyether derivative structural unit and 53 to 70 mol % of a maleic acid derivative structural unit.