Ultraviolet-Curing Coating for Cans U.S. Patent 5,721,020. Feb. 24, 1998 S. Takami and K. Fukudome, assignors to Kansai Paint Co. Ltd., Amagasaki. Japan

An ultraviolet-curing coating composi- tion for cans, which comprises a cation- polymerizable compound; a combination of oxetane compounds; a cationic initiator; and a lubricity-imparting agent.

Textured Epoxy Powder Coating U.S. Patent 5,721,052. Feb. 24, 1998 J. Muthiah et al, assignors to Morton lntemafional Inc., Chicago

A thermosetting powder coating compo- sition for forming a grainy textured finish, which is a composition in particulate blend form consisting essentially of effective film-forming amounts of an epoxy resin, a catalytic curing agent selected from an imi- da/.ole and an adduct of an imidazole and epoxy resin, and a texturing agent.

Powder Delivery Apparatus U.S. Patent 5,722,802. Mar. 3, 1998 T W March, assignor to Low Emission Painf Consorfium, Southfie’eld, Mich.

A powder delivery apparatus for use in a paint supply system.

Paint Stripping Composition U.S. Patent $721,204. Feb. 24, 1998 d. W. Maxwell et al, assignors to Gage Products Co., Femdale, Mich.

An aqueous paint stripping composition consisting essentially by weight of IO to 60%’ of an organic solvent selected from the group consisting of benzyl alcohol, substituted benzyl alcohols, and combina- tions thereof; and 8 to 20% of a peroxide.

Flap Wheel U.S. Patent 5,722,881. Mar. 3, 1998 G. W. Emerson, assignor to Merit Abrasive Products Inc., Compfon, Calif,

An abrasive wheel for abrading a sur- face of a workpiece in accordance with a rotation of the wheel.

Electrodeposition Apparatus U.S. Patent 5723,028. Mar. 3, 1998 J. foris, Los Gates, Calif.

An apparatus for electrodeposition of metal onto a semiconductor having an elec- trically conducting layer.

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Electroform Separation Method U.S. Patent .5,723,037 Mar. 3, 1998 KG. Herbert, assignors to Xerox Corp., Stamford, Corm.

A method for separating an electro- formed article from a mandrel comprising creating a parting gap between the article and the mandrel and separating the article and the mandrel while magnetically attract- ing the article to a magnetic force, wherein the magnetic force on the article during the separation of the article and the mandrel fails to distort the parting gap.

Process for Producing a Gradient Coating on Metallic Implants U.S. Patent 5723,038 Mar. 3, 1998 D. Schamweber et al, assignors to Jurgen Hofinger, Dresden, Germany

A process for producing a gradient coat- ing of calcium phosphate phases and metal oxide phases on a metal implant compris- ing providing an electrolyte solution con- taining calcium phosphate ions, and having a pH of between 4.0 and 7.5; providing a counter electrode in the electrolyte solu- tion: placing the implant in the electrolyte

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86 METAL FINISHING l AUGUST 1998