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:
Mar. 15, 2011
Filed:
Mar. 01, 2007
Ken-ichi Ueda, Nara, JP;
Shigeo Otome, Kyoto, JP;
Shoji Ito, Suita, JP;
Yow-hei Sohgawa, Tondabayashi, JP;
Hideo Asano, Osaka, JP;
Ken-ichi Ueda, Nara, JP;
Shigeo Otome, Kyoto, JP;
Shoji Ito, Suita, JP;
Yow-hei Sohgawa, Tondabayashi, JP;
Hideo Asano, Osaka, JP;
Nippon Shokubai Co., Ltd., Osaka, JP;
Abstract
Disclosed is a thermoplastic resin composition contains including a methacrylic resin having a ring structure in a main chain thereof and a glass transition temperature of 110° C. or higher, and at least one kind of metal compound selected from metal salts, metal complexes, and metal oxides, wherein a content of the metal compound in the composition is from 10 to 10,000 ppm in terms of metal atom based on a mass of the methacrylic resin, and a process for producing such a thermoplastic resin composition, the process including carrying out, when preparing a methacrylic resin having a ring structure in a main chain thereof and a glass transition temperature of 110° C. or higher, cyclization condensation reaction using a catalyst to form the ring structure; and then adding a deactivator of the catalyst.