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:
Feb. 04, 2014
Filed:
Feb. 26, 2010
Koji Morita, Osaka, JP;
Hirofumi Yamashita, Osaka, JP;
Hitomi Ohara, Kyoto, JP;
Shiro Kobayashi, Kyoto, JP;
Masahiko Ishii, Aichi, JP;
Koji Morita, Osaka, JP;
Hirofumi Yamashita, Osaka, JP;
Hitomi Ohara, Kyoto, JP;
Shiro Kobayashi, Kyoto, JP;
Masahiko Ishii, Aichi, JP;
Nippon Bee Chemical Co., Ltd., Osaka, JP;
National University Corporation Kyoto Institute of Technology, Kyoto, JP;
Toyota Jidosha Kabushiki Kaisha, Aichi, JP;
Abstract
There are provided: a bio-based coating composition which is a bio-based ingredient coating composition in consideration of environment and does not need any expensive ingredient and is also excellent in hydrolysis resistance; and an article coated with the coating composition. The bio-based coating composition is characterized by comprising the following film-forming ingredients: a lactic acid polymer (A) which contains a polyfunctional compound having a hydroxyl group and/or a carboxyl group in a functionality of not less than 3 and lactic acid as essential monomer ingredients and has a specific SP value; and a resin (B) which contains a hydroxyl group and/or a carboxyl group and has a specific SP value; wherein the difference (ΔSP) between the SP values of the lactic acid polymer (A) and the resin (B) is in the range of 0.2 to 4.0. The coated article is characterized by being obtained by being coated with the aforementioned coating composition.