acrylic coating composition
TRANSCRIPT
An article comprising a metallic sub- strate having disposed on at least a portion of its surface a mulitlayer coating simulat-
ing brass comprising a layer of nickel; a layer of substantially amorphous nickel- tungsten-boron alloy with at least about
0.05% boron; a layer of chrome; a layer comprised of’ zirconium or titanium; and a top layer comprised of zirconium com- pounds or titanium compound.
Acrylic Coating Composition U.S. Pafenf 5,627,23&?. May 6, 1997 D.R. Anton ef al, assignors to E.I. Du Ponf de Nemours and Co., Wilmington, Del.
A coatin:; composition containing 45 to 80% by weight of a binder and 20 to 55% by weight of an organic liquid; wherein the
binder comprises 40 to 90% of an acrylil: polymer and IO to 60% of a fluorinated organic pol,yisocyanate crosslinking agent.
Alumina Abrasive Grain U S. Pafenf .5,628,806. May 13, 1997 A. Celikkaya and G.D. Allen, assignors to 3M Co., Sf. Paul. Minn.
A method for making an alpha alumina based abrasive grain comprising heating :I
plurality of alpha a1umin.l based abrasive particles each having an cmter surface in-
cluding metal oxide in the presence of a carbon source t’or a time at a temperature and under a nonoxidizing atmosphere suf- ficient to convert at least a portion of the
metal oxide to metal carbide.
Sputtering Process U.S. fafent 5,628,882. May 13, 7997 M.J. O’Keefe and J.M. Rigsbee. assignors fo The USA as represented by fbe Secretary of the Air Force, Washington
.4 method for sputter deposition of chro-
mium. carbon, and fluorine crystalline films.
Halogen Tin Plating Bath U.S. Patent 5,628.893 May 13. 1997 KC. Opaskar, assignor lo Afofedj USA Inc., Cleveland
A composition of matter for electrolyti- cally depositing a tin Iaye!. on an iron con- taining substrate comprising an acidic aqueous mixture of ;I stannous tin halide;
and a salt having an alkaline cation and an oxygen containmg inorganic nitrogen 01 sulfur acid anion reducible to a lower oxi- dation state.
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Iron-Zinc Alloy Hot-Dipped Steel Sheet U.S. Patent 5,629,099. May 13, 1997 M. Sakurai et al., assignors to NKK Corp., Tokyo
A method for manufacturing an iron-
Lint alloy hot-dip plated steel sheet excel- lent in press formability.
Paint Removing Composition U.S. Patent 5,629,277. May 13. 1997 M.J. Plishka, assignor to William L. Brown, Miami
A surfactant-tiee composition for remov-
ing paint consisting essentially of IS to 90% by volume of an alkylene carbonate selected from the group consisting of propylene car-
bonate, butylene carbonate, .tnd mixtures thereof: i to 50% ol‘ propylene glyc~)l; and 2 to 30% of a polypropylene gl!col having a
molecular weight ot’ at least 21H).
Coating Composition with Improved Pot Life U.S. Patent 5,629,403. May f3, 1997 S. D. Hicks et al., assignors fo Bayer Corp., Piffsburgh
A coating composition. uhich has an improved pot life without a corresponding
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METAL FINISHING . JANUARY 1998 93