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. 14, 2017
Filed:
Feb. 25, 2011
Applicants:
Luc Nicoleau, Altenmarkt an der Alz, DE;
Gerhard Albrecht, Prien am Chiemsee, DE;
Inventors:
Luc Nicoleau, Altenmarkt an der Alz, DE;
Gerhard Albrecht, Prien am Chiemsee, DE;
Assignee:
Construction Research & Technology GmbH, Trostberg, DE;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C04B 40/00 (2006.01); C04B 103/14 (2006.01); C04B 28/02 (2006.01);
U.S. Cl.
CPC ...
C04B 28/02 (2013.01); C04B 40/0042 (2013.01); C04B 2103/14 (2013.01); Y02W 30/94 (2015.05);
Abstract
A process for the preparation of a hardening accelerator composition by reaction of a water-soluble calcium compound with a water-soluble silicate compound, said reaction being effected in the presence of a water-soluble dispersant having at least one polyalkyleneglycol structural unit with a functional group at one end of the polyalkyleneglycol, being able to interact as an anchor group with the surface of cement particles, the hardening accelerator composition and its use.