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. 21, 2012
Filed:
Dec. 03, 2009
Applicants:
Elena Kolomiets, Zürich, CH;
Montserrat Alfonso, Wettswil am Albis, CH;
Martin Weibel, Zürich, CH;
Inventors:
Assignee:
Construction Research & Technology GmbH, Trostberg, DE;
Primary Examiner:
Int. Cl.
CPC ...
C04B 22/14 (2006.01); C04B 22/06 (2006.01);
U.S. Cl.
CPC ...
Abstract
The invention concerns an accelerator mixture which contains aluminum in oxidation state 3, sulphate and hexafluorosilicic acid, a process for the preparation of said accelerators and the use of said accelerators for the coating of substrates with concrete or mortar. Furthermore the invention relates to concrete or mortar containing accelerators according to the invention and the hardened layers produced by applying the accelerators to concrete or mortar. The invention relates also to the use of hexafluorosilicic acid as a stabilizer.