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:
Sep. 18, 2001
Filed:
Jul. 15, 1999
Yasuto Sakai, Osaka, JP;
Koichi Ataka, Osaka, JP;
Nippon Sheet Glass Co., Ltd., Osaka, JP;
Abstract
A heat-radiation reflective glass comprising a glass plate and a film formed on the glass plate. The film has composition comprising 65 to 96% by weight of cobalt, 2 to 25% by weight of chromium and 2 to 33% by weight of iron based on the total metal weight per unit area, and has a layer thickness of 10 nm to 70 nm. In another embodiment, the film has composition comprising cobalt, chromium and iron in weight percentages whithin the ranges of 65 to 96% by weight of cobalt, 2 to 25% by weight of chromium and 2 to 33% by weight of iron based on the total metal weight per unit area, in its part on the side coming into contact with the glass plate, and in weight percentages within the ranges that fulfill at least one of conditions i) 2 to 96% by weight of cobalt, 2 to 8% by weight or 18 to 96% by weight of chromium and 2 to 96% by weight of iron and ii) 2 to 96% by weight of cobalt, 2 to 96% by weight of chromium and 2 to 10% by weight of iron based on the total metal weight per unit area, in its part on the outermost side, and has a layer thickness of 10 nm to 70 nm.