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patent Phillips Reed E. Mellott James M. Methods and Coatings for Protecting Surfaces from Bio-Fouling Species Methods of protecting a submerged surface from biofouling animal organisms include applying a first biologically active inner polymer layer on a surface, impregnated with at least one first biologically active agent that kills a juvenile stage of a biofouling animal organism. A second biologically active outer polymer layer is applied on the first biologically active inner polymer layer, impregnated with at least one second biologically active agent that inhibits a larval stage of the biofouling animal organism from attaching to the second biologically active outer polymer layer. The second biologically active outer polymer layer includes a friction-reducing additive selected from the group consisting of silicone powder, PTFE powder, molybdenum disulfide powder, graphene nano-platelets, graphene oxide, and fluorinated graphene powder. United States REDJAK, L.L.C. (Larchmont, NY, US) 20200283644 2020-05-21 16/880493 2020-09-10 https://www.freepatentsonline.com/y2020/0283644.html 2020-09-22 07:37:44