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:
Apr. 17, 2012
Filed:
May. 10, 2007
Applicants:
Masaaki Miyamoto, Kitakyushu, JP;
Tatsuya Hitomi, Kitakyushu, JP;
Inventors:
Masaaki Miyamoto, Kitakyushu, JP;
Tatsuya Hitomi, Kitakyushu, JP;
Assignee:
Mitsubishi Chemical Corporation, Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
C08G 69/26 (2006.01);
U.S. Cl.
CPC ...
Abstract
To provide a polyamide resin excellent in lasting thermal stability and having a high biomass ratio. A polyamide resin comprising adipic acid units, pentamethylenediamine units and 6-aminocaproic acid units as constituents, wherein the weight ratio of the sum of the adipic acid units and the pentamethylenediamine units to the 6-aminocaproic acid units is 97:3 to 75:25. The pentamethylenediamine is preferably one produced from lysine using lysine decarboxylase, lysine decarboxylase-producing cells or a treated product of the cells.