cross-linking agent, which includes a blocked isocyanate as the essential component and may further include a melamine resin; a blocked isocyanate dissociation catalyst, which at least includes a dibutyltin dicarboxylate; and a pigment. AQUEOUS COATING COMPOSITION
U.S. Patent 5,981,653. Nov. 9, 1999 0. Wilmes et al., assignors to Bayer AG Leverkusen, Germany
A process for the production of an aqueous dispersion, which forms powder coatings at room temperature, has an average particle size of 0.1 to 10 fLm, and forms a film and cross-links under the action of heat.
D. Saatweber et al., assignors to Herberts GmbH, Germany
E. Knaak et al., assignors to
2A process for producing a powder coating composition comprising dissolving in a low molecular weight compound at a pressure and temperature, which maintain the low molecular weight compound in a liquid state, one or more solid base resins and one or more solid hardeners to form a solution, and depressurizing the solution to form the powder coating composition, wherein the low molecular weight compound exists in gaseous form under normal conditions of pressure and temperature and is inert to the base resins and hardeners.
POWDER COATING COMPOSlnON
BRIGHTENER ADDITIVE
U.S. Patent 5,981,696. Nov. 9, 1999
U.S. Patent 5,981,793. Nov. 9, 1999
Blasberg Oberflachentechnik GmbH, Solingen, Germany
A slightly water-soluble metal salt for use as a gloss additive in the electrolytic deposition of metals. AlRLESS PAINT SPRAYER SYSTEM
U.S. Patent 5,984,646. Nov. 16, 1999 W.E. Renfro and C. T. Scholl. assignors to Accuspray Inc., Cleveland
A reciprocating hydraulic motor and pump assembly for use in an airless paint spray system. COATED ABRASIVES
U.S. Patent 5,984,989. Nov. 16, 1999 N. Davison and A.J. Ball. assignors to 3M Innovative Properties Co., St. Paul, Minn.
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