CHUGOKU MARINE PAINTS
PATENTS ANTIFOULING COATING
Patent No. U.S. 6,916,860 B2
Chugoku Marine Paints, Ltd. has
obtained a patent for an antifouling
coating composition. The antifouling
paint is comprised of a silyl ester
copolymer containing constituent
units derived from a polymerizable
unsaturated carboxylic acid silyl
ester, a carboxylic acid, a bivalent or
trivalent metal compound, and a
dehydrating agent. Wherein the
bivalent or trivalent metal compound
is contained in an amount of
1.2 equivalents or more, in terms of
the number of equivalents of metal
as a constituent of the bivalent or
trivalent metal compound, per
equivalent of carboxyl group of the
carboxylic acid. CW