Spray Booth US. Pateni5,356,334. Oct. 18, 1994 R. Gray, ass&or to Binks Mfg Co., Franklin Pa& //I.

A particulate booth having generated airborne particulate matter therein, com- prising a work chamber wherein the air- borne particulate matter is generated, blower means for moving air through the work chamber, means for determining the velocity of the air moving through the work chamber, and means for controlling the blower means for moving the air through the work chamber to provide a constant velocity of air in the work chamber.

Composition for Treating Tin- Plated Steel U.S. Patent5,358,491. CM. 18, 1994 7: AM and M. Yoshida, assbnors to Henkel Corp., Plymoufh Meeting, Pa.

An aqueous liquid composition of matter having a pH in the range from 2.0-6.5 comprising water and I-30 g/L of phos- phate ions, 0.1-5 g/L of condensed phos- phate ions, 0.5-5 g/L of reducing agent, and 0.1-20 g/L of dissolved solids of a water- soluble resin component.

Conversion Coating for Aluminum U.S. Patent5,356,492. Oct. 18, 1994 R.N. Miller, assigmr fo locheed Cop., Ca/abasas, Calif.

A process for producing a corrosion- resistant chemical conversion coating on aluminum and aluminum alloys comprising subjecting a cleaned, degreased, and deoxi- dized aluminum to an aqueous sollution containing cerous chloride and hydrogen peroxide wherein an acidic condition is created by the hydrolysis of the cerous chloride.

Waterborne Primer for Plastic U.S. Paient5,356,714. Oct. 18, 1994 K. Friische ef al., assignors to BASF lecke t Faber AG, Miinsfer, Germany

A method of priming or one-coat paint- ing of plastics using waterborne paints.

Multilayer Plated Aluminum Sheets U.S. PateM 5856,723. &t 18, 1994 M. Kimoto et al., assipm to Sumitomo Metal kdustfies Ltd, Osaka and Swnitomo Light Metal industries LM., ibfiyo, both of Japan

A multilayer plated aluminum sheet suitable for use in automobile body panels, comprising an aluminum sheet made of aluminum or an aluminum alloy, the alumi- num sheet having a first layer of pure zinc or a zinc-base alloy formed by displace- ment plating on the surface of the alumi- num sheet, and one or more layers of electroplated coating formed on the first layer by electroplating in an acidic sulfate

bath, at least one layer of the electroplated coating being a pure zinc or zinc-base alloy and either the first layer or one layer of the electroplated coating or both being a zinc- base alloy.

Epoxy Electrocoat U.S. Patenf5,358,959. 03. f8, 1994 K. Huemke and C. Sinn, assignors to BASF Lacke 8 Farben AG, Mtister, Germany

An epoxy resin, obtained by reacting a polyfunctional epoxide, which carries on average 1 S-2.5 epoxy groups per molecule

and has an epoxide equivalent weight of from IOO-2,000, an alkylphenol, the alkyl groups of which carry from 6-20 carbon atoms, and a polyoxyalkylenediol.

Abrasive Belt Life Booster U.S. Patent5,356,543. CM. 18, 1994 J. Pugh and R.B. Pugh

A formulation for use for application to a grinding belt of the type having abrasive material secured to a flexible base for extending the useful life of the grinding belt comprising a solution of toluene, naphtha,

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