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:
Dec. 17, 2019
Filed:
May. 27, 2013
Toyo Seikan Group Holdings, Ltd., Tokyo, JP;
Valspar Rock Co., Ltd., Koto-ku, Tokyo, JP;
Naoyuki Takagi, Yokohama, JP;
Keizou Kanzaki, Yokohama, JP;
Nobuaki Sano, Tokyo, JP;
Mayumi Arai, Tokyo, JP;
TOKYO SEIKAN GROUP HOLDINGS, LTD., Tokyo, JP;
VALSPAR ROCK CO., LTD., Tokyo, JP;
Abstract
The present invention relates to a polyester coating composition used for forming a coating film of a coated metal plate, a metal container, a metal closure, etc. The coating composition has a crosslinking agent and a curing catalyst incorporated into a mixed polyester resin comprising a mixture of a polyester resin (A) having an acid value of 2 to 50 mg KOH/g and a glass transition temperature (Tg) of 35 to 100° C. and a polyester resin (B) having an acid value of 0 to 50 mg KOH/g and a glass transition temperature (Tg) of −20 to 25° C. Thus, a coating composition excellent in resistance to embrittlement over time, corrosion resistance, scrape resistance, retort resistance, and blocking resistance can be provided.