	US 12,077,472 B2
	Concrete admixture
Ana Jimenez, Rutherford, NJ (US)
Assigned to SIKA TECHNOLOGY AG, Baar (CH)
Appl. No. 17/059,520
Filed by SIKA TECHNOLOGY AG, Baar (CH)
PCT Filed Jul. 10, 2019, PCT No. PCT/EP2019/068491 § 371(c)(1), (2) Date Nov. 30, 2020, PCT Pub. No. WO2020/016072, PCT Pub. Date Jan. 23, 2020.
Claims priority of application No. 18184042 (EP), filed on Jul. 17, 2018.
Prior Publication US 2021/0300823 A1, Sep. 30, 2021
Int. Cl. C04B 14/06 (2006.01); B82Y 30/00 (2011.01); C04B 28/02 (2006.01); C04B 103/50 (2006.01); C04B 111/00 (2006.01)

CPC C04B 14/066 (2013.01) [C04B 28/02 (2013.01); B82Y 30/00 (2013.01); C04B 2103/50 (2013.01); C04B 2111/00008 (2013.01)]

13 Claims

1. An aqueous composition comprising

5 to 75 weight-% of at least one anionic polymer that includes an anionic comb-polymer comprising polyalkylene glycol side chains,

0.05 to 5 weight-% of at least one water insoluble liquid defoamer,

0.005 to 3 weight-% of at least one water soluble polysaccharide, and

0.05 to 5 weight-% inorganic nano-particles,

based on 100 weight-% of the aqueous composition.