both, said composition comprising water; dissolved phosphate anions; and dissolved, stably dispersed, or both dissolved and stably dispersed molybdenum-containing anions, compounds, or both compounds and anions in which molybdenum has an oxidation state less than +6.

Powder Coatings U.S. Patent 5,684,066. Nov. 4, 1997 W.G. Eklund and S.C. Hart, assignors to H.B. Fuller Licensing & Financing Inc., St. Paul, Minn.

A protective coating formed from a powder-based composition comprising at least one glycidyl-functional polyacrylic polymer; at least one hydroxyl-functional polysiloxane; at least one inorganic com- pound selected from the group consisting of calcium metasilieate, hydrated silicates of aluminum and mixtures thereof; and at least one flow-control agent.

Low-Gloss Polyester Powder Coating U.S. Patent 5,684,067. Nov. 4, 1997 J. Muthiah and E.S. Deibert, assignors to Morton International Inc., Chicago

In a coating powder composition com- prising a polyester resin and triglycidyl isocyanurate, the improvement wherein the coating powder composition further com- prises between 2 and 10 parts per hundred resin by weight of a copolymer of ethylene and acrylic acid.

Waterborne Coating Composition u.$. Patent 5,684,072. Nov. 4, 1997 D.E Rardon et al., assignors to PPG Industries Inc., Pittsburgh

A polymeric film-forming resin in aque- ous medium having improved smoothness.

Radiation-Curable, Aqueous Dispersion u.s. Patent 5,684,081. Nov. 4, 1997 W. Dannhom et aL, asignors to Wolff Walsrede AG, Walsrode, Germany

Polyester acrylate/urethane dispersions based on polyester acrylate prepolymers containing hydroxyl groups, obtainable by polyaddition of 40-90% of one or more polyester acrylate prepolymers; 0.1-20% of one or more mono- and/or difunctional

compounds reactive towards isocyanate groups; 10-50% of one or more polyisocy- anates; 0.0-30.0% of polyols; and 0.1-10% of one or more di- and/or polyamines.

Coating Composition u.s. Patent 5,684,083. Nov. 4, 1997 R.G. Temple et al., assignors to PPG Industries Inc., Pittsburgh

A coating composition for making a chip- resistant coating comprising a urethane resin containing reactive ethylenically unsaturated groups and hydroxyl groups; an aminoplast resin for reaction with hydroxyl groups of the urethane resin in an amount of less than 10% by weight, which is effective in thin film curing of the composition; and a thermally activated free radical initiator for free-radical polymerization cure of the coating composi- tion at temperatures of at least about 180°F (82°C).

Coating Composition U.S. Patent 5,684,084. Nov. 4, 1997 L.A. Lewin and G.W. Nickel, assignors to E.I. Ou Pont de Nemours and Co., Wilmington, Del.

( O PREClSIO N PROCESS EQUIPMENT, INC.

"* . . . . . . . CUSTOM E C ~ I P M E N T F O R T O M O K R O W ' $ NEEDS

Reel to reel selective plating lines, horizontal or on edge Capable of developmental plating runs Retrofitting of existing plating machines

Space saving serpentine cells Complete automated turnkey systems

2221 NIAGARA FAI.J.S BLVD. N ~ FALLS, NEW YORK ! 4034

PHONE: 716-731-1587 FAX: 716-731-1591

Circle 183 on reader information card

mperature control when add where you want it

PLATECOIL ~

~ rime surface eat exchangers

• Heat transfer solutions for all kinds of applications • Can be fabricated into platens, vessels, banks, shrouds, walls,

ba.0tles._any size or shape to suit your process needs • Accurate, consistent heating or cooling over the entire surface a r e a

• Heating or cooling; liquids, steam, refrigerants and pressurized gases The performance possibilities are unlimited,' Contact Tranter today for an

illustrated brochure covering the range of PLATECOIL applications.

trantmr Tranter, inc. •Texas Division • R0. Box 2289 •Wichita Falls, Texas 76307

(940) 723-7125AFax [940] 723-5131 www.Tranter.com/Texa s

©I BgB TRANTER, me, 650 Igi A

Circle 351 on reader information card

METAL FINISHING • JUNE 1998 161