Valspar patents durable polyester coating
U.S. 8,124,242 B2
Valspar Sourcing, Inc. has been granted a
patent for a coated substrate comprised of
a substrate coil, and a coating composition
applied to at least one major surface of the
substrate coil, wherein the coating composition is comprised of a binder comprised
of a polyester resin that is formed using at
least one aromatic dicarboxylic acid and
using polyols comprised of at least one
symmetric diol in an amount greater than
50% weight based on the total weight of
polyols and at least one asymmetric diol in
an amount greater than 20% weight based
on the total weight of polyols, wherein the
polyester resin is comprised of between
50% and 75% weight isophthalic acid
based on the total weight of resin and has
a glass transition temperature of at least
approximately 35° C; and wherein the
flexibility of the coated substrate is at least
0T with no tape off.
Akzo Nobel Coatings patents
reactive diluent malonate
coating
U.S. 8,124,688 B2
Akzo Nobel Coatings International B.V.
has received a patent for coating composition comprised of an oxidatively drying
binder and a reactive diluent, wherein at
least a part of the diluent is an ester of
malonic acid, the ester is comprised of a
building block derived from an aldehyde
coupled to the malonate backbone by a
Knoevenagel reaction, wherein the alde-hyde-derived building block is selected
from the group consisting of citronellal,
furfural, isobutyraldehyde, benzylalde-hyde, anisaldehyde and cinnamaldehyde.
Sachtleben Chemie patents UV-curable undercoat
U.S. 8,114,513 B2
Sachtleben Chemie GmbH has received a
patent for a UV-curing primer comprised
of barium sulfate having an average particle size of 10 to 120 nm, a binder, a UV
initiator, and a reactive thinner, wherein
the binder is from 40% to 80% weight,
the reactive thinner is from 20% to 45%
weight, the UV initiator is from 2% to 10
% weight and the barium sulfate is from
1% to 25% weight.
Lumimoive patents corrosion
resistant coating
U.S. 8,114,206 B2
Lumimove, Inc. has obtained a patent for
a corrosion-responsive agent comprised of
a neutralized metal salt of a corrosion-in-hibiting organic anion, wherein a 2.5% by
weight aqueous solution of the dried salt
has a pH that is above 6 and below 8.
DuPont patents low temp
curable melamine coating
U.S. 8,114,481 B2
E.I. du Pont de Nemours and Company
has been awarded a patent for a process
for producing a coating on a substrate.
The process is comprised of the steps of:
(A) mixing components of a coating composition to form a pot mix, wherein the coating
composition consists of: i) a crosslinkable
component consisting of 15% to 99%
weight of total solid weight of the crosslinkable component a polyester having hydroxyl
crosslinkable groups and a weight average
molecular weight in a range of 1,500 to
100,000, and 1% to 35% weight of total
solid weight of the crosslinkable component
a melamine having crosslinkable groups selected from an —NH group, a hydroxyl
group, or a combination thereof; and ii) a
crosslinking component consisting of a polyisocyanate compound having two or more
isocyanate groups that react with the
crosslinkable groups at temperatures in a
range of from 40° F ( 4° C) to 200° F (93° C);
iii) one or more pigments or effect pigments;
and iv) one or more additives selected from
conductive additives, viscosity adjuster, catalyst, one or more solvents, or a combination
thereof; wherein the coating composition is
formulated as a primer, or a color matched
primer; (B) applying the pot mix over the
substrate to form a layer; and (C) curing the
layer on the substrate to form the coating.
Denka Singapore patents
method for producing carbon
black
U.S. 8,114,937 B2
Denka Singapore Private Limited has obtained a patent for carbon black comprised
of a chain body which is comprised of a region of spherical carbon particles and a region of rod-shaped carbon particles, the
region and the region are connected.
Sensient patents self-dispersed
pigments
U.S. 8,118,924 B2
Sensient Colors LLC has received a patent
for a method of modifying a pigment comprised of reacting cyanuric chloride with approximately three equivalents of a secondary
compound or a mixture of secondary compounds to displace all reactive chlorines to
form a substituted triazine; and reacting the
substituted triazine with a surface of a pigment to form a surface modified pigment.
Bayer MaterialScient patents
dual-cure coating
U.S. 8,119,245 B2
Bayer MaterialScience LLC has been
granted a patent for a radiation-curable
coating composition comprised of an
amino-functional polyaspartate; a (cyclo)
aliphatic polyisocyanate; a urethane acrylate; and a photoinitiator, wherein the urethane acrylate is essentially free from
hydroxyl and isocyanate groups, and the
amount of the urethane acrylate comprises
30% to 85% weight of the composition.
Aldehyde reducing coating
from AWI Licensing
U.S. 8,119,560 B2
AWI Licensing Company has been awarded
a patent for an aldehyde reducing surface
coating comprised of a binder, the binder
being ethylene vinyl chloride; and an aldehyde reactive material which will reduce the
aldehyde concentration in a room to which
