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:
May. 16, 1989
Filed:
Jul. 31, 1987
Applicant:
Inventors:
Toshihiko Aya, Nagoya, JP;
Sho Kadoi, Nagoya, JP;
Assignee:
Toray Industries, Inc., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08G / ;
U.S. Cl.
CPC ...
528184 ; 525432 ; 525436 ; 528 44 ; 528125 ; 528128 ; 528172 ; 528173 ; 528185 ; 528229 ; 528327 ; 5283291 ; 528331 ; 528350 ;
Abstract
The thermoplastic aromatic polyamideimide compolymers comprising the structural units (1), (2) and (3) represented by formulae, ##STR1## respectively, (2) and (3) being at ratio of 1 mole to 1 mole of (1), (3) being at a ratio of 0.95-0.05 mole to 0.05-0.95 mole of (2), (1) and (2) or (3) being alternatively interconnected and Ar and Ar' being composed of 5 to 70 mole % of ##STR2## and 95 to 30 mole % of ##STR3## provide the moldings being superior in heat stability and fluidity at the temperatures of 300.degree. to 400.degree. C. and injection moldable and having desired characteristics.