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:
Oct. 11, 2011
Filed:
Mar. 05, 2008
Toshiyuki Miyake, Chiyoda-ku, JP;
Masami Kinoshita, Chiyoda-ku, JP;
Mizuho Saito, Chiyoda-ku, JP;
Katsuhiko Hironaka, Chiyoda-ku, JP;
Toshiyuki Miyake, Chiyoda-ku, JP;
Masami Kinoshita, Chiyoda-ku, JP;
Mizuho Saito, Chiyoda-ku, JP;
Katsuhiko Hironaka, Chiyoda-ku, JP;
Teijin Limited, Osaka, JP;
Abstract
A terminal modified polycarbonate having a high content of biogenic matter, excellent heat resistance, heat stability, moldability and moist absorption resistance and high surface energy and a manufacturing process thereof are provided. The terminal modified polycarbonate has a main chain essentially composed of a recurring unit represented by the following formula (1): has a specific viscosity at 20° C. of a solution obtained by dissolving 0.7 g of the polycarbonate in 100 ml of methylene chloride of 0.2 to 0.5, and contains a terminal group represented by the following formula (2) or (3) in an amount of 0.3 to 9 wt % based on the main chain: