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. 10, 2015
Filed:
Apr. 27, 2011
Applicants:
Shuichi Maeda, Ube, JP;
Tomoyuki Nakagawa, Ube, JP;
Inventors:
Shuichi Maeda, Ube, JP;
Tomoyuki Nakagawa, Ube, JP;
Assignee:
Ube Industries, Ltd., Ube-Shi, Yamaguchi, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08G 69/26 (2006.01);
U.S. Cl.
CPC ...
Abstract
This is to provide a polyamide resin which can sufficiently ensure all of a relative viscosity ηr (high degree of polymerization), moldable temperature range estimated from a temperature difference (Td−Tm), heat resistance estimated from a melting point Tm, melt moldability estimated from a temperature difference (Tm−Tc), and low water absorbability as compared with the conventional polyoxamide resin. This is a polyamide resin comprising a dicarboxylic acid-derived unit and a diamine-derived unit being bonded,