PPG patents aqueous dispersion and coating
U.S. 7,868,066 B2
PPG Industries has been granted a patent
for a coating comprised of a modified
epoxy resin comprised of the reaction
product of rosin and a dienophile comprised of a carboxylic group and/or an anhydride group, further reacted with an
epoxy resin, the coating further comprised
of a curing agent for the modified epoxy
resin, wherein the coating is not a cationic
electrodeposition coating.
Rhodia patents aqueous
paint containing a colloidal
dispersion of cerium
U.S. 7,868,076 B2
Rhodia Chimie has been granted a patent
for an aqueous paint composition comprised of a mixture of an aqueous paint;
a colloidal dispersion of a cerium compound comprised of a water-soluble or
water-dispersible polymer in complexa-tion with cerium and obtained by polymerizing at least one monomer
corresponding to an ethylenically unsaturated, linear or branched, aliphatic,
cyclic or aromatic monocarboxylic or
polycarboxylic acid, or anhydride; and,
optionally, a monomer corresponding to
a polyoxyalkylenated ester of an ethylenically unsaturated carboxylic acid; or
obtained from the polymerization of at
least one ethylenically unsaturated, linear
or branched, aliphatic, cyclic or aromatic, monocarboxylic or polycarboxylic
acid, or anhydride; and a base.
Shin-Etsu Chemical
patents coating
U.S. 7,868, 119 B2
Shin-Etsu Chemical Co. has been
awarded a patent for a coating composition comprised of 100 parts by weight of
a fluoroelastomer composition; and 10
to 1,000 parts by weight of a diluent solvent consisting of a perfluoroalkyl-sub-stituted aromatic compound and at least
one perfluoro organic compound selected
from the group consisting of a perfluo-
roalkane and perfluoro cyclic ether, in a
weight ratio in the range from 60/40 to
90/10, wherein the fluoroelastomer composition is comprised of a linear polyflu-oro compound containing at least two
alkenyl groups per molecule and having a
perfluoropolyether structure in its backbone, a fluorinated organohydrogen-siloxane having at least two
silicon-bonded hydrogen atoms per molecule, a platinum group metal catalyst
and an organopolysiloxane containing
per molecule at least one hydrogen atom
bonded to a silicon atom directly and at
least one group selected from among
epoxy and trialkoxysilyl groups, which is
bonded to a silicon atom via a carbon
atom or carbon and oxygen atoms.
Colored primer compositions
and methods
U.S. 8, 101,043 B2
Dow Global Technologies LLC has obtained a patent for a method for bonding a transparent substrate within an
opening of a structure comprised of the
steps of applying to a transparent substrate a primer composition that includes
a colorant and at least one isocyanate
functional prepolymer derived from the
reaction of an aliphatic polyisocyanate
and a polyether polyol, wherein the prepolymer is at least partially reacted with
the active hydrogen of an organofunc-tional silane; applying an adhesive to the
structure defining the opening or to the
primer composition on the transparent
substrate; and installing the transparent
substrate within the opening, wherein
the resulting installed substrate is free of
any ceramic enamel.
BASF patents thermally stable
photocurable compositions
U.S. 8,084,522 B2
BASF SE has been granted a cationic
photocurable composition comprised of
at least one cationically polymerizable
compound, at least one onium salt pho-
toinitiator, at least one moisture scavenger, and at least one stabilizer selected
from the group consisting of sterically
hindered nitroxyl stabilizers, sterically
hindered phenolic antioxidants, organic
phosphorous stabilizers and mixtures
thereof; wherein the moisture scavenger
is an activated substantially water free
zeolite or triethylorthoformate, wherein
the weight ratio of the moisture scavenger to the stabilizer is from 100-0.1 to
100-10.
Chemetall patents process
for coating metallic surfaces
with a multicomponent
aqueous composition
U.S. 8, 101,014 B2
Chemetall GmbH has been granted an
aqueous composition consisting of at
least one compound selected from the
group consisting of a silane, a silanol, a
siloxane and a polysiloxane, wherein the
content of silane/silanol/siloxane/poly-siloxane in the composition ranges from
0.02 to 1 g/L, calculated on the basis of
the corresponding silanols; at least one
compound b containing at least one of
titanium, hafnium, zirconium, aluminum
or boron, at least one of which compounds is a complex fluoride, wherein
the content of compound b in the composition ranges from 0.1 to 15 g/L, calculated as the sum of the corresponding
metals; c) at least one cation selected
from cation of metals of subgroups 1 to
3 and 5 to 8, including lanthanides, and
of main group 2 of the periodic table of
the elements, or at least one corresponding compound c), wherein the content
of cations or corresponding compound
c) ranges from 0.01 to 6 g/L; at least one
substance d) selected from the group
consisting of d1) a silicon-free compound having at least one of an amino,
an urea or an ureido group; d2) an anion
of nitrite or a compound having at least
one nitro group, d3) a peroxide compound; and d4) at least one of a phos-
