Shepherd Color patents
non-chromate corrosion inhibitor
U.S. 8,137,646 B2
The Shepherd Color Company has been
granted a patent for an amorphous zirconium vanadium oxide/hydroxide product,
having a formula of from Zr2V3O12.nH2O
to Zr3V4O16.nH2O, wherein n is from 0 to
6, substantially free of salts selected from
hexavalent chromium salts, alkali metal
chlorides, alkali metal nitrates, alkali metal
sulfates and mixtures thereof.
PPG patents metallic particles
generated in situ in a polymer
U.S. 8,133,940 B2
PPG Industries has received a patent for a
method for generating metallic particles in
situ in a solid polymer comprised of contacting the polymer with a solution comprised of a solvent, a metal salt and a free
radical generator; infusing the solution
into the solid polymer surface; removing
the polymer from the solution that has not
been infused into the polymer surface; and
exposing the polymer to actinic radiation
to generate metallic particles in situ in the
surface regions of the polymer.
AkzoNobel patents coating
composition
U.S. 8,133,953 B2
Akzo Nobel Coatings has received a patent
for a coating composition comprised of a
polyacrylate polyol obtained by polymerization of olefinically unsaturated monomers
wherein at least 40% weight of the
monomers is comprised of linear or
branched alk(en)yl or alk(en)ylene groups
having at least 4 carbon atoms, wherein the
number average molecular weight (Mn) of
the polyacrylate polyol does not exceed
5,000, and the polydispersity (Mw/Mn) is
below 2.8; a polyester polyol obtained by esterification of building blocks having ester-forming functional groups wherein at least
30% weight of the building blocks is comprised of linear or branched alk(en)yl or
alk(en)ylene groups with at least 4 carbon
atoms per ester-forming functional group,
the polyester polyol has a hydroxy value
above 280 mg KOH/g and a hydroxy functionality of at least 2, an isocyanate-functional crosslinker, and a volatile organic
diluent, wherein at least 60% weight of the
volatile organic diluent comprises alk(en)yl
or alk(en)ylene groups having at least 4 carbon atoms, wherein the non-volatile content
of the coating composition is higher than
50% weight based on the total composition.
Lubrizol patents waterborne
coating with improved water
blushing and chemical
resistance
U.S. 8,133,961 B2
Lubrizol Advanced Materials, Inc. has been
awarded a patent for a waterborne coating
composition comprised of water; an emulsion polymer composition comprised of
0.5% weight to 15% weight of a carbonyl
functionalized monomer, 0.1 weight to
10% weight of a phosphorous containing
monomer, at least one ethylenically unsaturated monomer, and 0.05Z% weight to 5%
weight of a polymerizable surfactant having
a terminal allyl amine moiety and at least
one coalescing aid.
E. I. du Pont de Nemours
patents ilmenite ore process
U.S. 8,137,647 B2
E. I. du Pont de Nemours and Company has
obtained a patent for a process comprised of
digesting ilmenite ore with aqueous ammonium hydrogen oxalate to form a leachate
and a precipitate comprised of
FeC2O4.2H2O; separating the leachate from
the precipitate comprised of FeC2O4.2H2O;
hydrolyzing the leachate with ammonia or
ammonium hydroxide to form titanyl hydroxide and an oxalate-rich solution; separating the titanyl hydroxide from the
oxalate-rich solution; washing the titanyl hydroxide with a material selected from the
group consisting of water, aqueous ammonium oxalate and ammonium hydroxide to
form low oxalate titanyl hydroxide, that is,
titanyl hydroxide that is stripped of residual
oxalate; and crystallizing titanium dioxide
Valspar patents epoxy-based
electrocoating composition
U.S. 8,137,804 B2
Valspar has received a patent for a coated
article comprised of a substrate; and a
coating disposed on the substrate, the
coating is comprised of a reaction product of an electrocoating composition comprised of an epoxy-functional compound,
an isocyanate-functional compound, a
polyethylene wax, and aluminum oxide,
wherein the coating has a thickness of approximately 7. 6 μm to 25. 4 μm.
Sensient Colors patents
modified pigments
U.S. 8,147,608 B2
Sensient Colors LLC has been granted a
patent for a method of modifying a pigment, the method is comprised of sulfonating a pigment comprised of at least one of
an azo pigment, a phthalocyanine pigment,
an anthraquinone pigment, a quinacridone
pigment, a thioindigo pigment, a triphenylmethane lake pigment, an oxazine lake pigment and a carbon black comprised of an
aggregate of carbon black particles; and
subsequently oxidizing the pigment to produce a modified pigment.
Nippon Paint patents clearcoat
for automobiles
U.S. 8,138,258 B2
Nippon Paint Co., Ltd. has been granted a
patent for a clear coating composition for an
automobile comprised of a hydroxyl group-containing acrylic resin and a polyfunctional
isocyanate compound, wherein: the hydroxyl group-containing acrylic resin is a hydroxyl group-containing acrylic resin
obtained by using hydroxyalkyl (meth) acrylate having a hydroxyalkyl group with 4 to
9 carbon atoms as a monomer; at least 60%
mass of the total amount of the polyfunctional isocyanate compound is an isocyanate
compound having an isocyanurate structure;
and the clear coating composition is pre-
