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. 18, 1987
Filed:
Oct. 10, 1985
Akira Ibi, Mobara, JP;
Takushi Sato, Yokohama, JP;
Akihiro Yamaguchi, Kamakura, JP;
Shigeru Takahashi, Yokohama, JP;
Shigeyuki Shishido, Kamakura, JP;
Shoji Tamai, Yokohama, JP;
Hisai Nakajima, Machida, JP;
Mitsui Toatsu Chemicals, Inc., Tokyo, JP;
Abstract
This invention relates to a polyimide powder in use for adhesion and/or coat forming and to a method of preparing said powder, wherein polyamic-acid is chemically imidized which is obtained by reacting tetracarboxylic acid dianhydride with diamine in organic solvents. This invention further relates to a method for adhesion and coat forming by using said polyimide powder. This invention still further relates to a method for preparing prepreg by using said polyimide powder, and a method for adhesion and preparing molded laminates by using said prepreg.