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:
Nov. 17, 2015
Filed:
Sep. 04, 2008
Applicants:
Tomoyuki Yuba, Shiga, JP;
Masao Tomikawa, Shiga, JP;
Inventors:
Tomoyuki Yuba, Shiga, JP;
Masao Tomikawa, Shiga, JP;
Assignee:
TORAY INDUSTRIES, INC., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03F 7/004 (2006.01); C08G 69/04 (2006.01); C08L 77/00 (2006.01); G03F 7/023 (2006.01); C08G 69/00 (2006.01); C08L 77/10 (2006.01); C08G 77/00 (2006.01); G03F 7/037 (2006.01);
U.S. Cl.
CPC ...
G03F 7/0233 (2013.01); C08G 69/00 (2013.01); C08L 77/10 (2013.01); C08G 77/70 (2013.01); G03F 7/037 (2013.01);
Abstract
Disclosed is a method for producing polyamide, wherein a diimidazolide compound represented by the general formula (1) shown below is reacted with a diamine compound represented by the general formula (2) shown below. The present invention provides a method for producing a chlorine-free high molecular weight alkali-soluble polyamide by simple process.