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. 20, 2016
Filed:
Aug. 13, 2014
Applicant:
Ajinomoto Co., Inc., Tokyo, JP;
Inventors:
Satoru Ohashi, Kawasaki, JP;
Sei Uemura, Tsukuba, JP;
Manabu Kitazawa, Kawasaki, JP;
Toshihide Kamata, Tsukuba, JP;
Yoshinori Wada, Kawasaki, JP;
Assignee:
AJINOMOTO CO., INC., Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
H01L 41/08 (2006.01); H01L 41/193 (2006.01); H01L 41/45 (2013.01); C08G 69/10 (2006.01); C08L 77/04 (2006.01); H01L 41/29 (2013.01);
U.S. Cl.
CPC ...
H01L 41/193 (2013.01); C08G 69/10 (2013.01); C08L 77/04 (2013.01); H01L 41/29 (2013.01); H01L 41/45 (2013.01); Y10T 29/42 (2015.01);
Abstract
Poly(α-amino acid) which contain: (A) a glutamic acid γ-ester unit represented by formula (I): and (B) one or more kinds of units selected from a glutamic acid γ-ester unit represented by formula (II), an alanine unit, a phenylalanine unit and an N-benzyloxycarbonyllysine unit, represented by formula (III), and a glutamic acid γ-ester unit represented by formula (IV) can be dissolved in various solvents and are useful for preparing piezoelectric elements which exhibit superior piezoelectricity.