Method for Electroplating a Nonconductive Substrate U.S. Patent 5,616,230. Apr. 1, 7997 K. Otsuka et al., assignors to Okuno Chemical Industries Co. Ltd., Osaka, Japan

A process for plating a nonconductive substrate comprising treating with a solu- tion containing a silane coupling agent; treating with a solution containing an an- ionic surfactant; treating with a solution containing a palladium compound and at least one nitrogen containing sulfur com- pound selected from among thiourea and its derivatives; treating with a reducing so- lution containing at least one member se- lected from among sodium borohydride, sodium hypophosphite, hydrazine, dimeth- lyaminoborane, hydroxylamine, and gly- oxylic acid, and forming an electroplating layer on the electrically nonconductive substrate.

Eiectrobrightening Process for Aluminum Alloys U.S. Patent 5,616,231. Apr. 1, 1997 A.L. Askin et a/., assignors to Aluminum Co. of America, Pittsburgh

A process for polishing a surface of an aluminum alloy article, comprising electro- brightening at 90 to 150°F and 5 to 50 V in an acidic solution made by mixing together phosphoric acid, water, and suspended mineral particles.

Zinc-Chromium Alloy Plated Steel U.S. Patent 5,616,232. Apr. 1, 1997 M. Nakazawa et a/., assignors to Nippon Steel Corp., Tokyo

A process for producing a Zn-Cr alloy electroplate on steel comprising immersing in an acidic bath containing Zn* ions and Cra ions and subjecting to electroplating in a bath, wherein 0.01 to 20 g/L of an addi- tive comprising a polyethyleneoxyphenol derivative with at least one of a sulfonic group, sulfate group, amino group, car- boxy1 group, nitro group, or halogen as a substituent in the benzene ring is added to the bath to accelerate the Cr codeposition and to improve the stability of the bath.

Apparatus for Vacuum Coating U.S. Patent 5,616,362. Apr. 1, 1997

G. Goldschmied and G. Priesch, assignors to Andritz-Patentverwakungs GmbH, Graz, Austria

A process and apparatus for coating metal substrates including cleaning and de- greasing followed by activation of the sub- strate in a vacuum and application of the coating layer in a vacuum, wherein the improvement comprises a step that after activation and prior to application of the coating layer selected from the group con- sisting of zinc and zinc alloy, a bonding agent layer of aluminum is applied under vacuum to the activated substrate, wherein the substrate is selected from the group consisting of steel, nonferrous heavy metal, and aluminum sheet.

Composite Abrasive Filaments U.S. Patent 5,616,411. Apr. 1, 1997 L.L. Barber, Jr. et al, assignors to 3M Co., St. Paul, Minn.

An abrasive article comprising at least one composite abrasive filament, the com- posite filament comprising at least one pre- formed core at least partially coated with a hardened composition of a thermoplastic elastomer having abrasive particles dis- persed and adhered therein.

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