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:
Jan. 15, 2013
Filed:
Dec. 08, 2008
Tomomi Sugiyama, Chigasaki, JP;
Takumi Sugamata, Chigasaki, JP;
Construction Research & Technology GmbH, Trostberg, DE;
Abstract
To provide shrinkage reducing agents which render excellent shrinkage reducing effect and frost-thaw resistance to cement compositions such as mortar and concrete without entraining excessive air, and exhibit excellent solution stability. The shrinkage reducing agent comprises a (poly)alkylene compound having an unsaturated bond represented by the formula (1):RO—R—O-(AO)—R  (1)-(AO)—R  (2)(wherein Ris a Chydrocarbon group having an unsaturated bond; Ris hydrogen or the formula (2); Rand Rare each independently hydrogen or a Calkyl group; AO and AO are one or more kinds of Coxyalkylene groups; and n and m are mean addition numbers of moles of AO and AO, respectively, and 1 to 20).
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile