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:
Sep. 08, 2015
Filed:
Aug. 20, 2013
Applicant:
Lg Chem, Ltd., Seoul, KR;
Inventors:
Assignee:
LG Chem, Ltd., Seoul, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C04B 26/04 (2006.01); C04B 24/26 (2006.01); C08F 220/28 (2006.01); C04B 16/04 (2006.01); C08F 220/38 (2006.01);
U.S. Cl.
CPC ...
C04B 24/2694 (2013.01); C04B 16/04 (2013.01); C04B 24/26 (2013.01); C04B 24/2605 (2013.01); C04B 26/04 (2013.01); C08F 2220/285 (2013.01); C08F 2220/382 (2013.01);
Abstract
Disclosed are an additive for cement compositions that includes a polycarboxylic copolymer and a cement composition including the same and, more particularly, an additive for cement compositions that includes a polycarboxylic copolymer and/or a salt thereof, wherein the polycarboxylic copolymer is a copolymer of a monomer mixture including an alkoxy polyalkylene glycol mono(meth)acrylic acid ester-based monomer, a (meth)acrylic acid-based monomer, a (meth)acrylic acid ester-based monomer, and a polyoxyalkylene alkenyl ether sulfate salt and a cement composition including the same.