Coating with improved chip resistance

the frequency ranges from 10 to 5,000 Hertz.

U.S. 6210,556. Apr. 3, 2001 M.P. Toben et al., assignors to LeaRonal Inc., Freeport, N.Y. An electrolyte for depositing a tin-

rich tin-silver alloy upon a substrate comprising a basis solution containing a soluble tin compound and a soluble silver compound, wherein the tin compound is present in an amount greater than that of the silver to provide a deposit that contains 35 to 99% by weight tin and 0.5 to 15% by weight silver; a tin chelating agent of a polyhydroxy compound; and a silver chelating agent of a heterocyclic compound. COATINGWmQ IMPIIOVED

A method of coating a substrate comprising applying a layer of a

chip-resistant primer composition comprising as a resinous portion a polyurethane polymer; applying over the layer of the chip-resistant primer a layer of thermosetting primer composition comprising a polyurethane polymer, an acrylic polymer, and a crosslinking component that is reactive with at least one of the polyurethane polymer and the acrylic polymer; and applying over the layer of the thermosetting primer composition at least one layer of a topcoat composition. RAwATloN CUMBLRCOATIN U.S. Patent 6,211,262. Apr. 3, 2001

A. Mejiritski et al., assignors to Spectra Group Ltd. Inc., Maumee, Ohio

A corrosion-resistant coating for metal surfaces curable with actinic radiation comprising a blend of acrylate resin, photoinitiator, and a corrosion preventing agent selected from the group consisting of a metal surface passivator, overbased calcium sulfonate/calcium carbonate, a barrier pig-

ment, or a combination of two or more of these agents. OQIDuucTlwcoRlyHwB U.S. Patent 6,212,745. Apr. 10, 2001 W. Pierre et al., assignors to PGCM Conception, Societe Civile d’lnventeurs, Garat, France

A method for setting stones in the surface of a jewel produced by electroforming. CONlMTlO~cRlORTOCOAl!lNO U.S. Patent 6,214,132. Apr. 10, 2001 T. Nakayama et al., assignors to Henkel Corp., Gulph Mills, Pa.

A liquid pretreatment composition for conditioning metal surfaces by contact therewith prior to the phosphate conversion casting treatment thereof having a pH value within a range from 4 to 13 and comprising a dissolved component selected from the group consisting of alkali metal salts, ammonium salts, and mixtures thereof; and a dispersed component selected from the group consisting of phosphates of divalent and trivalent metals and mix-

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