U.S. 8,545,615 B2
Seawax Marine Coatings has obtained a
patent for a formulation of an antifouling coating for application to submerged
substrates comprised of at least 30 percent by weight of water, relative to the total weight of the formulation, at least 10
percent by weight of dry extract, relative
to the total weight of the formulation, of
a water repellent which is a mixture of
a silicone resin, a polyurethane resin and
an acrylic-styrene copolymer resin, and at
least 5 percent by weight of dry extract,
relative to the total weight of the formulation, of an anti-adhesive active agent.
Japan Companies Patent
Coating Composition
US 8,552,102 B2
Shionogi & Co., Ltd., Nisshin Kasei Co.,
Ltd. and Daido Chemical Corp. have received a patent for an aqueous coating
solution comprised of a copolymer consisting of a partially hydrolyzed polyvinyl
alcohol having an average polymerization degree of 300 to 500 and a polymerizable vinyl monomer in a weight ratio
of 6: 4 to 9:1, wherein: the polymerizable
vinyl monomer consists of acrylic acid
and methyl methacrylate combined in a
weight ratio of 3: 7 to 0.5: 9. 5 in the copolymer, the weight ratio of the partially
hydrolyzed polyvinyl alcohol having an
average polymerization degree of 300
to 500, the methyl methacrylate and the
acrylic acid is 60 to 90: 7 to 38: 0.5 to 12,
and the partially hydrolyzed polyvinyl alcohol excludes a thiol modified polyvinyl
alcohol the aqueous coating solution excludes any other polyvinyl alcohol.
Dow Global Technologies
Patents Coating
U.S. 8,546,477 B2
Dow Global Technologies has received
a patent for a process for producing a
coating composition comprised of the
steps of providing 10 to 55 percent by
weight of an ethylene based copolymer
composition comprise of an ethylene-ole-
fin copolymer; providing 5 to 25 percent
by weight of a propylene polymer com-
position comprised of a propylene-olefin
copolymer having a melt flow rate of 0.1
to 150 g/10 minutes, measured at 230° C
and 2.16 Kg weight, a melting point in the
range of from 130 to 180° C and a melt
strength in the range of 5 cN to 50 cN;
providing 15 to 60 percent by weight of
a chlorinated polyethylene; providing less
than 40 percent by weight of a filler; pro-
viding 1 to 20 weight percent by weight
of an adhesion promoting agent com-
prised of an acid or acid derivative func-
tionalized polyolefin; providing 0.1 to 10
percent by weight of one or more scratch
mar resistance agents; melt blending the
ethylene-based copolymer composition,
the propylene polymer composition, the
chlorinated olefin polymer composition,
the filler, the adhesion promoting agent,
and the one or more scratch mar resis-
tance agents; producing the coating.
Arkema Patents Co-
Dispersion Agent
U.S. 8,545,617 B2
Arkema France has been granted a pat-
ent for a pigment concentrate comprised
of at least one amine selected from:
N-(1-methylpropyl)-N-(2-hydroxyethyl)
amine; N-(1,3-dimethylbutyl)-N-(2-
hydroxyethyl)amine; N-(1-ethyl-3-
methylpentyl)-N-(2-hydroxyethyl)
amine; N-( 3, 3,5-trimethylcyclohexyl)-
N-(2-hydroxyethyl)amine; and N-(4-
hydroxycyclohexyl)-N-(2-hydroxyethyl)
amine; a primary dispersant; one or more
pigments; water; and one or more addi-
tives or auxiliaries.
Guardian Industries Patents
Titanium Dioxide Coatings
U.S. 8,545,899 B2
Guardian Industries Corp. has been
awarded a patent for a method of forming an anatase titanium dioxide coating
having a roughened surface on a substrate comprised of preparing a TiO2 sol-gel composition; adding colloidal silica
particles to the composition to form a
combined TiO2 and colloidal silica sol-gel composition, wherein the colloidal
silica particles have an average particle
size of 70 nm to 100 nm; coating the substrate with the combined sol-gel composition; and heating the coated substrate at
a temp. from 550° C to 650° C to form
a surface roughened anatase titanium dioxide coating; wherein the surface roughened TiO2 coating has a mean square
roughness from 8 nm to 12 nm; and the
combined TiO2 and colloidal silica sol-gel composition comprises colloidal silica
in an amount less than or equal to 20 percent weight relative to a total weight of
the sol-gel composition. CW
Aqueous Antifouling Coatings
Reactive Surfaces Expands Patent Protection in the Middle East
for Self-Decontaminating Adhesives and Sealants
Reactive Surfaces has been granted an Israeli patent covering adhesives functionalized with enzymatic additives. The adhesives are capable of detoxifying organophos-phorus nerve weapons and pesticides. It has also been granted an Israeli patent
covering sealants that are functionalized with its OPDtox additives resulting in rapid
nerve weapon detoxification from contaminated vehicles, buildings, and electronics
used by warfighters. A significant issue in military decontamination arises as a result of
being unable to prevent the creep of nerve agents through joints, channels, windows
and glass coverings on electronics. See, http://www.coatingsworld.com/issues/0713/
view_features/wmdtox-coatings-self-decontamination-becomes-a-reality/
