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. 09, 2016
Filed:
Apr. 08, 2011
Roland Reichenbach-klinke, Traunstein, DE;
Luc Nicoleau, Altenmarkt an der Alz, DE;
Roland Reichenbach-Klinke, Traunstein, DE;
Luc Nicoleau, Altenmarkt an der Alz, DE;
BASF SE, Ludwigshafen, DE;
Abstract
Methods of a setting accelerator composition for inorganic binders which comprises at least one water-soluble comb polymer suitable as a superplasticizer for hydraulic binders and calcium silicate hydrate particles in the development, exploitation and completion of underground mineral oil and natural gas deposits and in deep wells which not only accelerates the setting and hardening of the cement slurries but also shortens the time in which the static gel strength of the hardening cement slurries increases from 100 lb/100 ft(4.88 kg/m) to 500 lb/100 ft(24.4 kg/m).