US 11,753,342 B2
Additive formulation for reduction or prevention of microbially induced corrosion in concrete or cementitious material
Burke Irving Nelson, Mooresville, NC (US); Ivan Weikang Ong, Charlotte, NC (US); Glenner Marie Richards, Davidson, NC (US); and Daniel Ray Matthews, Supply, NC (US)
Assigned to Microban Products Company, Huntersville, NC (US)
Filed by Microban Products Company, Huntersville, NC (US)
Filed on Jun. 21, 2018, as Appl. No. 16/14,559.
Claims priority of provisional application 62/524,168, filed on Jun. 23, 2017.
Prior Publication US 2018/0370856 A1, Dec. 27, 2018
This patent is subject to a terminal disclaimer.
Int. Cl. C04B 28/24 (2006.01); A01N 43/653 (2006.01); C04B 28/02 (2006.01); C04B 40/00 (2006.01); A01N 55/00 (2006.01); C04B 111/26 (2006.01); C04B 103/69 (2006.01); C04B 103/50 (2006.01)
CPC C04B 28/24 (2013.01) [A01N 43/653 (2013.01); A01N 55/00 (2013.01); C04B 28/02 (2013.01); C04B 40/0039 (2013.01); C04B 2103/50 (2013.01); C04B 2103/69 (2013.01); C04B 2111/26 (2013.01)] 8 Claims
 
1. A formulation comprising:
a material that is in a wet-state in which the material is an uncured concrete, an uncured cementitious material, or a combination thereof,
a Quat Silane that cures on and within the material,
a fungicide selected from the group consisting of Sodium OrthophenylPhenol, Imazalil Sulphate, diiodomethyl-p-tolylsulfone, carbamate, isothiazolinone, azole, chlorothalonil, zinc pyrithione, copper pyrithione, sodium pyrithione, and a combination thereof,
a defoamer,
wherein the ratio of the Quat Silane to the fungicide in the formulation is in a range of about 10:1 to about 1:10.