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. 21, 2013
Filed:
Jun. 30, 2010
Yasuo Yamanaka, Tokyo, JP;
Tadakatsu Harada, Kanagawa, JP;
Hidekazu Yaginuma, Kanagawa, JP;
Masanobu Munekata, Hokkaido, JP;
Kenji Tajima, Hokkaido, JP;
Yasuharu Satoh, Hokkaido, JP;
Tokuo Matsushima, Hokkaido, JP;
Yasuo Yamanaka, Tokyo, JP;
Tadakatsu Harada, Kanagawa, JP;
Hidekazu Yaginuma, Kanagawa, JP;
Masanobu Munekata, Hokkaido, JP;
Kenji Tajima, Hokkaido, JP;
Yasuharu Satoh, Hokkaido, JP;
Tokuo Matsushima, Hokkaido, JP;
Ricoh Company, Ltd., Tokyo, JP;
Abstract
Disclosed is a copolymer resin composition including a lactic acid copolymer, the lactic acid copolymer containing monomer units represented by the following chemical formulas [1], [2], and [3], wherein a content of a monomer unit represented by the chemical formula [3] is 50 mol % or more and 95 mol % or less, a weight-average molecular weight of the lactic acid copolymer is 20,000 or more and 1,000,000 or less, and a deflection temperature of the lactic acid copolymer under load is 65° C. or higher and 100° C. or lower at a bending stress of 1.80 MPa.