Carbon dioxide cleaning process

selected from the group consisting of ethylenically unsaturated monomers and mixtures thereof to produce a polymer; preparing a pigmented aqueous basecoat con• taining the polymer; applying a transparent topcoat to the base• coat; and baking and curing the basecoat and the topcoat together. . . . . . COA'IIMI PIIOCDS U.S. Patent 6,001,427. Dec. 14, 1999 C.L. Breazeale, Franklin, Ind.

A process for coating selected por• tions of a substrate using a pow• der transfer member. W-cuR. . . . .XY ........

U.S. Patent 6,001,428. Dec. 14, 1999 J. Finter et al., assignors to Ciba Specialty Chemicals Corp., Tarrytown, N. Y.

A solid powder coating composi• tion having a glass transition temperature (Tg) higher than 35·C, which becomes completely crosslinked upon exposure to ul• traviolet light in the molten state. . . .S8 . . . TOPCOAT . . .

PI.AS'I'IC8 U.S. Patent 6,001,469. Dec. 14, 1999 CA. Verardi et at., assignors to PPG Industries Ohio Inc., Cleveland

A plastic article formed from a plastic material selected from the group consisting of thermoplastic olefins and reaction injected molding urethanes, the plastic ar• ticle being coated with a film of a primer composition deposited di• rectly onto a surface of the plastic article without the aid of flame or corona pretreatment, or the use of an adhesion promoter or tie coat, the primer composition compris• ing 5 to 45% by weight of resin solids of substantially saturated polyhydroxylated polydiene poly• mer having terminal hydroxyl groups; 10 to 50% of resin solids of aminoplast crosslinking material; 5 to 85% of resin solids of a film• forming resin selected from the

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group consisting of polyesters, acrylics, polyurethanes, and co• polymers and mixtures thereof; and solvent. AIIOIMp··

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U.S. Patent 6.001.481. Dec. 14. 1999 G. Dearnaley and S.J. Lukezich. assignors to Southwest Research Institute, San Antonio, Texas

An aluminum or aluminum alloy component comprising a surface converted to anodized aluminum, said anodized aluminum surface further comprising pores filled with a substance consisting essentially of a diamondlike carbon sealant.

CADOII DIOJODI CLUIIIIMI PROCIISS Patent 6,004,400. Dec. 21. 1999

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P. W. Bishop and AJ. Harrouer. assignors to Phillips W. Bishop. Chandler. Ariz.

A method for cleaning contami• nant particles from a surface of a metal part including preliminar• ily cleaning with an abrasive ma• terial and then cleaning with fro• zen carbon dioxide pellets.

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U.S. Patent 6.001,931. Dec. 14, 1999 M. Brahm et al.• assignors to Bayer AG, Leuerkusen, Germany

A binder mixture for two-compo• nent polyurethane coating compo• sitions, which dries at room tem• perature, wherein the binder comprises a polyisocyanate com• ponent; a hydroxy-functional polyacrylate component; and op• tionally, reactive diluents.

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