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unsubstituted N-alkyl primary amines, and applying, on top of the first coating compo- sition, a clear coating composition compris- ing an epoxy-functional component and an acid-functional or anhydride-functional component.
Radiation-Curable Polyurethane U.S. Patent 5,360,335. Nov. 1, 1994
Cathodic Electrodeposition Paint
K. Sate et al, assignors to Dai-lcbi Kogyo Seiyaku U.S. Patenf5,360,639. Nov. 1, 1994
Co. Lfd., Kyoto, Japan M. Tanimoto et al., assignors to Nippon Paint Co. Lfd., Osaka, Japan
A radiation-curable polyurethane emul- sion composition prepared by adding an isocyanate compound having a polymeriza- ble unsaturated group to an emulsion of a polyurethane having amino groups, and allowing the isocyanate compound and the polyurethane to react in the presence of water.
A cathodic electrodeposition paint com- prising an aqueous dispersion of a primary cationic film-forming resin and l-30% by weight of the total resin content of the entire paint of an auxiliary amine-modified acrylic resin in the form of an aqueous emulsion.
Radiation-Curable Coating U.S. Pateni5,3&uJ36. Nov. I, 1994 F. Chevalliier and S. Chevalier, assignors to Sockfe Nationale des Poudres et EXposifs, Paris
A process for the production of coatings by radiation cross-linking.
Blasting Device U.S. Pateni5,360,486. Nov. C. P. EUiott, assignor to Blasf O&vi//e, Canada
1, 1994 Cleaning Products Ltd.,
A blast cleaning apparatus and method with a laterally moving conveyor.
Pretreatment for Zinc and Zinc Alloys Prior to Chromating U.S. Patent5,362,333. Nov. 8, 1994 N. Yoshifake et al., assignors to He&e/ Cop., Plymouth Meeting, Pa.
A process for forming a protective coating on a zinc surface, comprising a step of applying a chromate treatment to the
??Performs Cyclic Corrosion Tests
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zinc surface, wherein, prior to applying the chromate, the zinc surface is pretreated by a process comprising the steps of covering with a layer of an aqueous solution that consists of water, at least one divalent nickel or cobalt salt with one of the anions sulfate, phosphate, phosphite, hypo- phosphate, hypophosphite, and mixtures thereof and, optionally, a complexing agent; and, without any intervening water rinse, drying into place on the zinc surface by removing the water at a temperature within the range of 40-100’T.
Anodizing Seal U.S. Pateni5,362,317. Nov. 8, 1994 P. Pafel and R.L. Ranieri, assignors to Sandoz Ltd., Base/, Switzerland
A sealant composition and process for sealing aluminum oxide films.
Apparatus for Coating U.S. Pateni5,362,327. Nov. 8, 1994 E. Sessa and f?. M/y, assignors to Nybk Fastener Corp., Macomb, Mich.
An apparatus for applying a coating of resin material to the internal threads of a threaded fastener.
For the PULSE POWER advantage with CALCULATED QUALITY
PULSEPAK
?? Forward & Reverse Squarewave Pulse ?? Precision Digital Control System ?? Digital Meters & Multi-Turn Controls ?? 2OHZ to 5000HZ / 5 to IO00 Peak Amps ?? Non-Corrosive All PVC Cabinet &
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METAL FINISHING . JUNE 1995 149