BASF patents multi-layer paint
Patent No. U.S. 7,763,322 B2
BASF Corporation has been granted a
patent for a process for overcoating a
multicoat color and/or effect paint system, wherein the process is carried out
on a line at an automaker’s plant and
wherein the multicoat color and/or effect paint system, which is an OEM finish on a motor vehicle produced by
means of electrostatic spray application,
comprised of at least one color and/or
effect basecoat (A) produced from at
least one aqueous basecoat material (A)
and at least one clearcoat (B) produced
from at least one liquid clearcoat material (B), the process is comprised of: (1)
applying to an outer surface of the multicoat paint system by pneumatic spray
application a clearcoat material that is
an extract of an aqueous basecoat material, which substantially corresponds
or is identical to the at least one aqueous basecoat material (A) from which
the basecoat (A) was produced, to form
a resulting film (1), wherein the extract
is a coating material which comprises a
binder and crosslinking agent that are
the same as a binder or binders and
crosslinking agent or agents in the
aqueous basecoat material (A), (2)
flashing off and/or drying the resulting
film (1) without curing it completely,
( 3) coating the resulting flashed off
and/or dried film (2) by pneumatic
spray application at a spraying pressure
less than the pneumatic spray in step (1)
with an aqueous basecoat material
which substantially corresponds or is
identical to the at least one aqueous
basecoat material (A) from which the
basecoat (A) was produced to form a
resulting aqueous basecoat film ( 3), ( 4)
flashing off and/or drying the resulting
aqueous basecoat film ( 3) without curing it completely, ( 5) coating the resulting flashed off and/or dried aqueous
basecoat film ( 4) with at least one liquid clearcoat material to form at least
one resulting clearcoat film, and ( 6)
jointly curing the at least one resulting
clearcoat film ( 5), the aqueous basecoat
film ( 4), and the film (1), and, where
present, any further uncured films that
are present, wherein the process is used
for overcoating an entire area of the
multicoat paint system or for overcoating a defect to the multicoat paint system and all of the adjacent area up to a
boundary.
Valspar patents cross-linked
polyester protective coatings
Patent No. U.S. 7,763,323 B2
Valspar Sourcing has been granted a
patent for a composition comprised of a
hydroxyl-functional polyester resin, a
carboxyl-functional polyester resin having an acid number from about 100 to
about 300 milligrams KOH per gram, a
cross-linker, and one or more phenol-formaldehyde resin; wherein the composition is in the form of a hardenable
coating composition and is substantially
free of BPA, BPF, BADGE and BFDGE.
PPG patents
waterborne 2K coating
Patent No. U.S. 7,763,354 B2
PPG Industries has been granted a
patent for a waterborne coating composition comprised of at least one base
neutralized active hydrogen containing
film-forming resin; and at least one
water dispersible carbodiimide cross-linker capable of reacting with the film-forming resin to form a crosslinked
film, wherein the total neutralization of
the base neutralized active hydrogen
containing film-forming resin is greater
than 100 and less than or equal to 200
percent.
Corob patents
reflective paint
Patent No. U.S. 7,754,339 B2
Corob S.p.A. of Modena, Italy has received a patent for a highly reflective
coating product comprised of a dif-
fusely reflective product and an acrylic
binder or glue, which are dispersed in a
liquid vehicle comprised of a mixture of
alcohol and water, wherein in that the
mixture of the liquid vehicle consists of
50% of the alcohol and 50% of water;
wherein the acrylic binder or glue is a
product based on an acrylic polymer or
copolymer; wherein the acrylic binder
or glue contains a methacrylate and
wherein the quantity of the acrylic polymer or copolymer is between approximately 3% and 4% of the reflective
product.
Adhereable, pre-fabricated,
self-healing, anti-puncture
coating for liquid container
Patent No. U.S. 7,732,028 B2
High Impact Technology, LLC has been
granted a patent for a bulk, generally
elastomeric and pliable, layered mat
having outer layers and an intermediate
layer sandwiched between the outer layers formed to permit selective trimming
into freely user-size-chosen mat
trims/tiles each of which is structured to
perform as a self-puncture-sealing, de-fined-liquid-reactive, anti-puncture-leakage coating element applicable
bondedly to the outside of a selected
wall in a selected container holding the
defined-liquid the mat, in each of its
layers, and therefore in each ultimately
prepared mat trim, being composed entirely of solid-phase sealing materials,
each of which is sealingly reactive to the
defined liquid.
Water-based coating material
U.S. 7,776,949 B2
Aisin Kako Kabushiki Kaisha has been
granted a patent for a water-based coating material comprised of an organic synthetic resin having a carboxyl group; zinc
oxide particles;water as a solvent; and a
pigment; wherein the zinc oxide particles
have a specific surface area within a
range of 20 to 60 m2/g. CW
