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:
Aug. 07, 2012
Filed:
Mar. 20, 2007
Applicants:
Takako Ejiri, Chikusei, JP;
Katsuyuki Masuda, Chikusei, JP;
Inventors:
Takako Ejiri, Chikusei, JP;
Katsuyuki Masuda, Chikusei, JP;
Assignee:
Hitachi Chemical Company, Ltd., Tokyo, JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C08F 283/04 (2006.01);
U.S. Cl.
CPC ...
Abstract
A process for production of a polyamide resin having a reactive double bond, the process including a step of reacting a carboxylic acid and a diisocyanate to produce a polyamide resin, wherein the carboxylic acid component includes a carboxylic acid with a reactive double bond. Also, a polyamideimide resin obtainable by reacting a diisocyanate with a diimidedicarboxylic acid and a reactive double bond-containing carboxylic acid, which has a reactive double bond.