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. 02, 1989
Filed:
Mar. 11, 1988
Hiroki Hanabata, Ibaragi, JP;
Hideo Kawaguchi, Narashino, JP;
Hiroshi Fukudome, Ibaragi, JP;
Ryoichi Noumi, Minoo, JP;
Hiromi Izaiku, Kamakura, JP;
Koichi Komai, Fujisawa, JP;
Kisuke Yoshida, Kawasaki, JP;
Nippon Oil & Fats Co., Ltd., Tokyo, JP;
Sumitomo Metal Industries, Ltd., Osaka, JP;
Abstract
A coating composition based on an acrylic resin which is useful for preparing lubricated steel products such as steel sheets or tubes is disclosed. The coating composition contains as additives a rust preventive which is a mixture of a sulfonamidecarboxylic acid and an cyclic amine and a water repellent. It exhibits improved rust-preventing properties when lubricated steel products having a coating film formed from the coating composition are stored for a prolonged period under coiled or stacked conditions.