The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jul. 04, 2000
Filed:
Jul. 20, 1998
Eiji Yamanaka, Takahama-shi, Aichi 444-1336, JP;
Tadahiko Nishi, Yawata-shi, Kyoto 614-8377, JP;
Hisaki Tanabe, Yawata, Yawata-shi, Kyoto 614-8052, JP;
Other;
Abstract
The present invention is a method of forming a chipping-resistant composite paint film comprising applying an anti-chipping primer and an intermediate coating successively in the wet-on-wet method onto a electrodeposition coat baked on a substrate and baking the two wet coat in one step, wherein the anti-chipping primer comprises (a) an aqueous dispersion of an ethylene copolymer, (b) a water-based urethane resin, and (c-1) a water-miscible organic solvent having a boiling point of not lower than 80.degree. C. and of not higher than the baking temperature of the paint, or (c-2) a melamine resin. The present invention ensures improved appearance and chipping resistance of the paint film.