104 | Coatings World www.coatingsworld.com March 2014
in an amount of between 11 vol-
ume percent and a67 volume
percent of the sealant composi-
tion, wherein the sealant compo-
sition is substantially free of water.
Valspar Patents
Solvenborne Coating
U.S. 8,568,831 B2
Valspar Sourcing has been granted a patent for a coating composition comprised
of a polymer comprised of an organic
backbone and at least one acetoacyl-functional group; at least one carbonyl-functional solvent compound having a
sufficient concentration in the coating
composition to provide a pot life that is
greater than a pot life attainable with an
equal concentration of xylene, wherein a
concentration of solvent-based carbonyl
groups from the at least one carbonyl-functional solvent compound constitutes
greater than approximately 15 percent by
weight of the coating composition, based
on an entire weight of the coating composition; and a crosslinking agent.
Rhino Linings Patents
Vegetable Oil-Based
Coatings
U.S. 8,575,226 B2
Rhino Linings has been granted a patent
for a building material composite comprised of a building material substrate at
least partially lined with a rigid urethane
material wherein the rigid urethane material is comprised of a reaction product of
an A-side comprised of an isocyanate and
a B-side comprised of an esterified polyol
and a catalyst wherein the esterified polyol comprised of a reaction product of a
first polyol and a blown vegetable oil and
the first polyol comprised of the reaction
product of a first multifunctional and a
second multifunctional compound.
Polypropylene Carbonate
Paint
U.S. 8,598,253 B2
SK Innovation has been granted a patent
for a paint composition comprised of a
polypropylene carbonate resin as a main
component, a cross-linking agent and
a hardening catalyst, wherein the poly-
propylene carbonate resin has a weight
average molecular weight of 50,000 to
150,000 g/mole and including hydroxy
groups at both ends of a molecular chain
thereof, and the hardening catalyst is at
least one selected from dodecylbenzene-sulfonic acid, p-toluene sulfonic acid, di-nonyl dinaphthalene sulfonic acid, and
dinaphthalene disulfonic acid.
Jotun Patents Antifouling
Coatings
U.S. 8,575,231 B2
Jotun patents has obtained a patent for
a marine antifouling coating composition
comprised of at least one hydrolyzable
polyoxalate and at least one compound
that prevents the settlement of marine organisms on a surface and/or prevents the
growth of marine organisms on a surface
and/or encourages the dislodgement of
marine organisms from a surface, where
the polyoxalate comprises a polyconden-sation reaction product of a dialkyl oxalate with at least one diol.
Sun Chemical Patents Latex
Paint for Improved Fade
Resistance
U.S. 8,575,243 B2
Sun Chemical Company has received a
patent for a paint comprised of a latex
base, that is comprised of water, organic
pigment and not less than about 0.2 w/w
percent of a solution resin solid dissolved
in the water.
Kansai Patents Aqueous
Two-Package Clear Coating
U.S. 8,563,636 B2
Kansai Paint has been granted an aque-
ous two-package type clear coating com-
position comprised of (A) an aqueous
dispersion of a hydroxyl group- and acid
group-containing acrylic resin having a
hydroxyl value of 30 to 200 mg KOH/g,
an acid value of 5 to 50 mg KOH/g, a
weight average molecular weight of 5,000
to 20,000, and a glass transition tempera-
ture of − 30 to + 40° C obtained by radical
polymerization of 10 to 50 mass percent
of a secondary hydroxyl group-contain-
ing monomer (a) and 50 to 90 mass per-
cent of other unsaturated monomer (b),
wherein the acrylic resin is obtained by
solution polymerization, and the solution
polymerization reaction is performed by a
two stage polymerization method; and (B)
a polyisocyanate curing agent obtained by
mixing (c) a polyisocyanate compound
and (d) a compound containing an an-
ionic functional group, a polyoxyethylene
group, and a hydrocarbon group.
Aqueous Coating
U.S. 8,569,413 B2
Three Bond Co., Ltd. has been granted a
patent for an aqueous coating composition comprised of the following components (A) and (B) as main components,
wherein 35 to 80 parts by mass of water
is contained based on 100 parts by mass
of the total of components (A) and (B):
Component (A): an ethylene-vinyl acetate
copolymer resin emulsion; Component
(B): two or more PTFE resin powders having different particle diameters, wherein
the powders have a predetermined particle diameter range, wherein component
(B) includes (b- 1) a PTFE resin powder
having an average particle diameter of 2
to 20 μm and (b- 2) a PTFE resin powder
having an average particle diameter of 20
to 100 μm, and wherein a mass ratio (b-
1):(b- 2) of (b- 1) and (b- 2) in component
(B) is 5 to 35: 95 to 65.
Polyurethane Aqueous Golf
Ball Paint
U.S. 8,563,639 B2
SRI Sports Limited and Shinto Paint Co.
have been granted a patent for a painted
golf ball comprised of a golf ball body and
a paint film formed on the golf ball body,
wherein the paint film is formed from a
curing type polyurethane aqueous golf
ball paint, comprised of (A) an aqueous
polyol composition and (B) an aqueous
polyisocyanate, wherein (A) the aqueous polyol composition contains (a- 1) an
aqueous acrylic polyol, (a- 2) an aqueous
urethane polyol and (a- 3) an aqueous
polyurethane resin; a molar ratio (NCO/
OH) of an isocyanate group of (B) the
aqueous polyisocyanate to a hydroxyl
group of (A) the aqueous polyol composition ranges from 1. 25 to 2. 50; and a content of a high boiling point solvent having
a boiling point of 150° C. or more in the
aqueous golf ball paint is more than 0
mass and 10 mass or less. CW
