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. 24, 2018
Filed:
Oct. 22, 2015
Applicant:
Lg Chem, Ltd., Seoul, KR;
Inventors:
Hyo Min Kim, Daejeon, KR;
Chang Bum Ko, Daejeon, KR;
Imgyu Kim, Daejeon, KR;
Dong Jo Ryu, Daejeon, KR;
Assignee:
LG Chem, Ltd., , KR;
Primary Examiner:
Int. Cl.
CPC ...
C04B 24/26 (2006.01); C04B 24/10 (2006.01); C04B 22/06 (2006.01); C04B 28/04 (2006.01); C04B 14/06 (2006.01); C04B 18/02 (2006.01); C04B 40/00 (2006.01); C04B 111/00 (2006.01); C04B 103/30 (2006.01); C04B 103/24 (2006.01);
U.S. Cl.
CPC ...
C04B 24/2664 (2013.01); C04B 14/06 (2013.01); C04B 18/02 (2013.01); C04B 22/06 (2013.01); C04B 24/10 (2013.01); C04B 28/04 (2013.01); C04B 40/0042 (2013.01); C04B 2103/24 (2013.01); C04B 2103/302 (2013.01); C04B 2111/00637 (2013.01); C04B 2201/50 (2013.01);
Abstract
Disclosed are a cement composition additive with improved compressive strength and workability, including a polycarboxylic acid copolymer and/or a salt thereof, zinc oxide particles, and a predetermined amount of gluconic acid and/or a salt thereof, and a cement composition containing the same.