cross-linking agent, which includes a blocked isocyanate as theessential component and may further include a melamine resin; ablocked isocyanate dissociationcatalyst, which at least includes adibutyltin dicarboxylate; and apigment.
AQUEOUS COATING COMPOSITIONU.S. Patent 5,981,653. Nov. 9, 19990. Wilmes et al., assignors to BayerAG Leverkusen, Germany
A process for the production of anaqueous dispersion, which formspowder coatings at room temperature, has an average particle sizeof 0.1 to 10 fLm, and forms a filmand cross-links under the actionof heat.
POWDER COATING COMPOSlnONU.S. Patent 5,981,696. Nov. 9, 1999
D. Saatweber et al., assignors toHerberts GmbH, Germany
2A process for producing a powdercoating composition comprisingdissolving in a low molecularweight compound at a pressureand temperature, which maintainthe low molecular weight compound in a liquid state, one ormore solid base resins and one ormore solid hardeners to form asolution, and depressurizing thesolution to form the powder coating composition, wherein the lowmolecular weight compound exists in gaseous form under normalconditions of pressure and temperature and is inert to the baseresins and hardeners.
BRIGHTENER ADDITIVEU.S. Patent 5,981,793. Nov. 9, 1999
E. Knaak et al., assignors toBlasberg Oberflachentechnik GmbH,Solingen, Germany
A slightly water-soluble metalsalt for use as a gloss additive inthe electrolytic deposition of metals.
AlRLESS PAINT SPRAYER SYSTEMU.S. Patent 5,984,646. Nov. 16, 1999W.E. Renfro and C. T. Scholl.assignors to Accuspray Inc.,Cleveland
A reciprocating hydraulic motorand pump assembly for use in anairless paint spray system.
COATED ABRASIVESU.S. Patent 5,984,989. Nov. 16, 1999N. Davison and A.J. Ball. assignorsto 3M Innovative Properties Co., St.Paul, Minn.
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