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. 15, 1992
Filed:
Sep. 04, 1990
Applicant:
Inventors:
Hiroka Tanisake, Hiratsuka, JP;
Koji Yamamoto, Hiratsuka, JP;
Takeshi Koyama, Hiratsuka, JP;
Shunichi Shinohara, Hiratsuka, JP;
Kazunobu Maruo, Hiratsuka, JP;
Tsukasa Toki, Hiratsuka, JP;
Assignee:
Mitsubishi Gas Chemical Company, Inc., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08G / ;
U.S. Cl.
CPC ...
528170 ; 528184 ; 528185 ; 528190 ; 528191 ; 528193 ; 528194 ; 528322 ;
Abstract
A copolyesterimide composed of bis-trimellitimide units, 2,6-naphthalenedicarboxylic acid units, hydroquinone units and p-hydroxybenzic acid units. This copolyesterimide is melt-processable, and excels in heat resistance and mechanical properties.