Granted in the Metal Finishing Field Printed copies of patents are furnished by the Patent and Trademarks Office for $3.00 each. Address orders to: Commissioner of Patents and Trademarks, Washington, D.C. 20231

BADIATION-CUBABLE CONDUCTM COATING US. Patent 6,315,926. Nov. 13,200l

J l?G.A. Jansen, assignor to DSM

N. V, Herleen, Netherlands

An electrically conductive compo- sition comprising a radiation-cur- able resin having, a compound with an ethylenic unsaturation on an electron-attracting group; and a dispersion of electrically con- ductive particles in a dispersing agent, wherein the dispersion of electrically conductive particles contains a binder and an electri- cally conductive polymer and is stabilized by a non-ionic stabiliza- tion agent.

WRINKLE POWDBR COATlNG US. Patent 6,316,049. Now. 13,200l

O.H. Decker et al., assignors to Rohm

and Haas Co., Philadelphia

A low-temperature epoxy wrinkle powder coating.

Circle 045 on reader card or go to www.thru.to/webconnect

l Rapid adsorption/filtration of soluble & insoluble contaminants

l Clean, dust-free and easy-to-use

l Improves plating quality and consistency

l High hydraulic permeability improves flowrate and extends both service life

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Website: w.grovertech.com

Circle 041 on reader card or go to www.thru.to/webconnect

MULTUAYEB COATING US. Patent 6,316,119. Nov. 13,200l

W Metzger et al., assignors to PPG

Industries Ohio Inc., Cleveland

A multilayer composite coating composition comprising a base coat formed from an aqueous coating composition and a trans- parent topcoat deposited over the base coat from an aqueous coat- ing composition.

ELECTROLESS NICKEL-BORON BATH US. Patent 6,319,308. Nov. 20, 2001

E. McComas, Palm City, Fla.

A coating bath for providing a hard, wear and corrosion resist- ant, ductile coating on a sub- strate, said bath having a pH of 10 to 14 and comprising nickel ions; a stabilizer; a metal ion com- plexing agent; a borohydride reducing agent; optionally other metal ions; and an alkaline dis-

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persing composition comprising particles and a mixture of a water-soluble salt of ethylenedi- amine tetraacetic acid (EDTA) and ethylenediamine (EDA).

DEVICE FOB EVENING OUT THE TKICKNEBB OF METAL LAYERS US. Patent 6,319,383. Nov. 20,200l

L. Kopp et al., assignors to Atotech

Deutschland GmbH, Germany

A method for evening out the thickness of metal layers on electrical contact points on flat items to be treated, during elec- trolytic treatment of items guid- ed in horizontal plane of con- veyance in a continuous electroplating plant.

PROCESS FOR SIWEB DISPLACEMEM PLATING US. Patent 6,319,543. Nov. 20,200l

A. M. Soutar and P T McGrath,

assignors to Alpha Metals Inc.,

Jersey City, N.J

A process for providing a protec- tive coating on metal conducting surfaces of bare boards in the manufacture of printed circuit boards comprising the steps of con- tacting with an aqueous displace- ment plating composition, which comprises silver ions and a multi- dentate complexing agent in solu- tion in an aqueous vehicle at a pH of 2 to 12 to form a silver coating on the conducting surfaces.

AIR-ASSISTED SPRAY NOZZLE US. Patent 6,322,003. Nov. 27,200l

J Haruch, assignor to Spraying

Systems Co., Wheaton, Ill.

An air-assisted spray nozzle assembly, which comprises a noz- zle body having at least one air passage for connection to a pres-

110 Metal Finishing