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:
Dec. 17, 2013
Filed:
Aug. 24, 2011
Christian Buerge, Schafisheim, CH;
Franz Wombacher, Jonen, CH;
Christophe Kurz, Endingen, CH;
Beat Marazzani, Oberengstringen, CH;
Gilbert Maeder, Marthaien, CH;
Ueli Sulser, Unterengstringen, CH;
Christian Buerge, Schafisheim, CH;
Franz Wombacher, Jonen, CH;
Christophe Kurz, Endingen, CH;
Beat Marazzani, Oberengstringen, CH;
Gilbert Maeder, Marthaien, CH;
Ueli Sulser, Unterengstringen, CH;
Sika Technology AG, Baar, CH;
Abstract
The invention relates to additives for hydraulic binders and systems produced from them, such as concrete and mortar. In particular, the present invention relates to a setting and hardening accelerator for hydraulic binders produced by means of reaction of a calcium compound CV with a silicon compound SV and addition of a phosphonic acid derivative, as well as its production.