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. 14, 2004
Filed:
Apr. 04, 2002
Applicant:
Inventors:
Takeshi Kikuchi, Shiga, JP;
Hiroyuki Tsuji, Shiga, JP;
Koji Okada, Shiga, JP;
Hiroyuki Furutani, Osaka, JP;
Koichiro Tanaka, Shiga, JP;
Shoji Hara, Shiga, JP;
Hitoshi Nojiri, Shiga, JP;
Assignee:
Kaneka Corporation, Osaka, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08G 7/310 ; C08G 6/926 ;
U.S. Cl.
CPC ...
C08G 7/310 ; C08G 6/926 ;
Abstract
The present invention provides a method for easily producing a high-molecular weight polyimide resin at high yield by drying and heating a mixture mixed by material monomers of polyimide.