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:
Jun. 13, 1995
Filed:
Mar. 22, 1993
Takao Hayashi, Shimonoseki, JP;
Norihiro Sato, Shimonoseki, JP;
Hosoi, Manabu, Oomiya, JP;
Nobuyoshi Kasahara, Sayama, JP;
Katsuhiko Yoshimaru, Tokyo, JP;
Mitsui Mining & Smelting Co., Ltd., Tokyo, JP;
Abstract
The composite oxide comprises, by weight, 100 parts of zinc oxide and at least one member, incorporated therein, selected from seven specific oxides in their specific amounts such as 0.001 to 5.0 parts of lanthanum oxide, 1.0 to 10.0 parts of cobalt oxide, 1.0 to 30.0 parts of titanium oxide, the composite oxide being surface treated with a silicone oil or a fatty acid to provide a surface-treated composite oxide of the present invention which has excellent ultraviolet screening capability and high visible light transmittance, these superior properties being well balanced with each other, and can maintain said superior properties over a long period of time. In one embodiment, there is provided a process for producing the ultraviolet screening surface-treated composite oxide.