US 12,384,924 B2
Environmentally benign antifouling coating
Hreggvidur Davidsson, Selfoss (IS)
Assigned to Hripa EHF, Selfoss (IS)
Appl. No. 17/753,667
Filed by Hripa EHF, Selfoss (IS)
PCT Filed Sep. 11, 2020, PCT No. PCT/IS2020/000001
§ 371(c)(1), (2) Date Mar. 10, 2022,
PCT Pub. No. WO2021/048880, PCT Pub. Date Mar. 18, 2021.
Claims priority of application No. EU9125 (IS), filed on Sep. 13, 2019.
Prior Publication US 2022/0332955 A1, Oct. 20, 2022
Int. Cl. C09D 5/16 (2006.01); A01N 25/02 (2006.01); A01N 55/02 (2006.01); A01N 59/06 (2006.01); A01N 59/08 (2006.01); C09D 1/04 (2006.01); C09D 7/20 (2018.01)
CPC C09D 5/1625 (2013.01) [A01N 25/02 (2013.01); A01N 55/02 (2013.01); A01N 59/06 (2013.01); A01N 59/08 (2013.01); C09D 1/04 (2013.01); C09D 5/1662 (2013.01); C09D 7/20 (2018.01)] 17 Claims
OG exemplary drawing
 
1. An antifouling coating composition comprising:
(a) in the range of about 10% to about 70% by weight of the final composition of at least one neutral or overbased salt of an organic acid selected from the group consisting of sulfonates, phosphonates, carboxylates and phenates, and
(b) in the range of about 10% to about 70% by weight of the final composition of at least one type of mineral oil, and
(c) in the range of about 1% to about 30% by weight of the final composition of at least one type of a water miscible organic solvent, and
(d) in the range of about 2% to about 40% by weight of the final composition of at least one type of alkaline silicate solution comprising from about 0.5 to about 6 Mol/L of silicic acid and from about 0.5 to about 6 Mol/L of a base.