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:
May. 20, 2025
Filed:
Jul. 10, 2023
Nippon Paint Automotive Coatings Co., Ltd., Osaka, JP;
Takeshi Horii, Hirakata, JP;
Hiroyuki Komaki, Hirakata, JP;
Koji Matsumoto, Hirakata, JP;
Shotaro Kajihara, Hirakata, JP;
NIPPON PAINT AUTOMOTIVE COATINGS CO., LTD., Osaka, JP;
Abstract
Provided is a clear coating composition which affords a coating film having superior resistance to color shift and is superior in coating workability while having a high solid content. A clear coating composition including a hydroxy group-containing acrylic resin (A), a polyisocyanate compound (B), and an organic solvent (C), wherein the hydroxy group-containing acrylic resin (A) includes a primary hydroxy group-containing acrylic resin (A1) and a secondary hydroxy group-containing acrylic resin (A2), the primary hydroxy group-containing acrylic resin (A1) has a weight average molecular weight of 6000 or less, the secondary hydroxy group-containing acrylic resin (A2) has a weight average molecular weight of 6000 or more, the organic solvent (C) includes a specific primary alcohol and/or secondary alcohol, and the clear coating composition has a solid concentration of 55% by mass or more at a time of coating.