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. 30, 2006
Filed:
Jun. 16, 2003
Masahiro Furuya, Gunma-ken, JP;
Koichi Higuchi, Gunma-ken, JP;
Kazuharu Sato, Gunma-ken, JP;
Kazuyuki Matsumura, Gunma-ken, JP;
Masaaki Yamaya, Gunma-ken, JP;
Masahiro Furuya, Gunma-ken, JP;
Koichi Higuchi, Gunma-ken, JP;
Kazuharu Sato, Gunma-ken, JP;
Kazuyuki Matsumura, Gunma-ken, JP;
Masaaki Yamaya, Gunma-ken, JP;
Shin-Etsu Chemical Co., Ltd., Tokyo, JP;
Abstract
A hardcoat composition comprising (A) a hydrolytic condensate of a hydrolyzable silicon compound of formula: RSiXwith at least 1 mole of water per mole of hydrolyzable group X, (B) a metal oxide, (C) a siloxane resin of formula: RSi(OR)(OH)Oand having a Mw of at least 2,000, which is solid at a temperature of not higher than 40° C., and (D) a curing catalyst forms a hardcoat film having satisfactory hardness, transparency and adhesion as well as improved weather resistance and presenting a surface that is repellent to marker ink.