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. 15, 2015
Filed:
Oct. 12, 2012
Kazuhiro Tanimoto, Chiba, JP;
Mitsunobu Yoshida, Ichihara, JP;
Shigeo Nishikawa, Chiba, JP;
Masaki Shimizu, Sodegaura, JP;
Kazuhiro Tanimoto, Chiba, JP;
Mitsunobu Yoshida, Ichihara, JP;
Shigeo Nishikawa, Chiba, JP;
Masaki Shimizu, Sodegaura, JP;
MITSUI CHEMICALS, INC., Tokyo, JP;
Abstract
A polymeric piezoelectric material having an aliphatic polyester (A) with a weight-average molecular weight of from 50,000 to 1,000,000 and having optical activity, and a stabilizing agent (B) with a weight-average molecular weight of from 200 to 60,000 having at least one kind of functional group selected from the group consisting of a carbodiimide group, an epoxy group and an isocyanate group, wherein the crystallinity of the material obtained by a DSC method is from 20% to 80%, and a content of the stabilizing agent (B) is from 0.01 part by mass to 10 parts by mass with respect to 100 parts by mass of the aliphatic polyester (A), as well as a process for producing the same, is provided.