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:
Nov. 16, 1993
Filed:
Mar. 26, 1992
Applicant:
Inventors:
Kouji Kasai, Yokohama, JP;
Osamu Ishihara, Sodegaura, JP;
Assignee:
Asahi Kasei Kogyo Kabushiki Kaisha, Osaka, JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C08L / ;
U.S. Cl.
CPC ...
525 68 ; 525397 ; 525905 ;
Abstract
The present invention relates to a polyphenylene ether copolymer and thermoplastic resin compositions thereof which are excellent in heat resistance, thermal stability, mechanical strength, moldability and solvent resistance. Particularly, the present invention relates to a polyphenylene ether-polyolefin copolymer formed by covalent bonding between a polyphenylene ether and a polyolefin, each of which has a specific melt viscosity. The copolymer is represented by the formula (1):