Abstract: There is disclosed a net antifouling composition for use on nettings and comprised of from 2 to 10 percent, preferably 3-6 percent by weight of a tri-n-butyl tin ester selected from the group consisting of tri-n-butyl tin linoleate, bis(tri-n-butyl) tin succinate, tri-n-butyl tin benzoate, bis tri-n-butyl tin salicylate and mixtures thereof in an organic solvent system or a water base system, perferably a water base system, for controlling algae and invertebrate growth.

Abstract: There is disclosed a net antifouling composition for use on nettings and comprised of from 2 to 10 percent, preferably 3-6 percent by weight of a tri-n-butyl tin ester selected from the group consisting of tri-n-butyl tin linoleate, bis(tri-n-butyl) tin succinate, tri-n-butyl tin benzoate, bis tri-n-butyl tin salicylate and mixtures thereof in an organic solvent system or a water base system, preferably a water base system, for controlling algae and invertebrate growth.

Abstract: There is disclosed a wood preservative system of from 2 to 15 percent, preferably 8 to 12 percent by weight of a tributyl tin ester selected from the group consisting of tri-n-butyltin linoleate, Bis(tri-n-butyl)tin succinate, tri-n-butyl tin benzoate, tri-n-butyl tin salicylate and mixtures thereof, in an organic solvent system or a water base system, preferably a water base system, for controlling algae, fungi, shipworms, gribbles, barnacles and other wood deteriorating organisms and the like from attacking a wood substrate.

Abstract: There is disclosed a preservative system composition for porous and non-porous surfaces comprising from 2 to 10 percent, preferably 5-7 percent by weight of a tributyl tin ester selected from the group consisting of tri-n-butyl tin linoleate, bis(tri-n-butyl) tin succinate, tri-n-butyl tin benzoate, trinbutyl tin salicylate and mixtures thereof, in an organic solvent system or a water base system, preferably a water base system, for controlling algae, fungi, shipworms, gribbles, barnacles and other marine organisms and the like from attacking a metal or fiberglass substrate and wooden surfaces.