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:
Feb. 21, 2012
Filed:
May. 14, 2009
Applicants:
Florian Ellenrieder, Augsburg, DE;
Katja Voland, Berlin, DE;
Uwe Gehrig, St. Georgen, DE;
Samuele Beraldo, Roncade, IT;
Joachim Riedmiller, Friedberg, DE;
Inventors:
Florian Ellenrieder, Augsburg, DE;
Katja Voland, Berlin, DE;
Uwe Gehrig, St. Georgen, DE;
Samuele Beraldo, Roncade, IT;
Joachim Riedmiller, Friedberg, DE;
Assignee:
Construction Research & Technology GmbH, Trostberg, DE;
Primary Examiner:
Int. Cl.
CPC ...
C04B 28/08 (2006.01); C04B 18/00 (2006.01); C04B 7/14 (2006.01);
U.S. Cl.
CPC ...
Abstract
The present invention relates to building material mixtures which contain slag sand and zinc salts which have from 0 to 8 carbon atoms in their structure. The invention furthermore relates to the use of zinc salts for preventing discolorations during the hardening of the building material mixtures.