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:
Jul. 17, 2012
Filed:
Feb. 13, 2008
Applicants:
Heinz Schürch, Unterengstringen, CH;
Franz Wombacher, Jonen, CH;
Benedikt Lindlar, Constance, DE;
Didier Lootens, Zurich, CH;
Robert Flatt, Feldmeilen, CH;
Inventors:
Heinz Schürch, Unterengstringen, CH;
Franz Wombacher, Jonen, CH;
Benedikt Lindlar, Constance, DE;
Didier Lootens, Zurich, CH;
Robert Flatt, Feldmeilen, CH;
Assignee:
Sika Technology AG, Baar, CH;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C04B 14/48 (2006.01); C04B 16/00 (2006.01); C04B 22/04 (2006.01); C04B 14/00 (2006.01); C04B 24/00 (2006.01); C04B 9/00 (2006.01); C04B 28/30 (2006.01); C04B 7/00 (2006.01); C04B 40/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
The present invention relates to a fluoride-free solidification and hardening accelerator for hydraulic binders, comprising sulfate, aluminum and organic acid, the molar ratio of aluminum to sulfate being less than 0.83.