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, 1995
Filed:
May. 18, 1994
Takeshi Miyakawa, Machida, JP;
Mikio Shimizu, Machida, JP;
Masami Inoue, Machida, JP;
Tadaaki Hirooka, Machida, JP;
Denki Kagaku Kogyo Kabushiki Kaisha, Tokyo, JP;
Abstract
A heat resistant electrically conductive plastic sheet comprising (1) a base material layer A made of a base material resin composition comprising from 32 to 94 wt % of a polyphenylene ether resin (hereinafter referred to simply as PPE), from 4 to 61 wt % of a high-impact polystyrene resin (hereinafter referred to simply as HI) and from 2 to 17 wt % of a polyolefin resin and (2) an electrically conductive layer B made of an electrically conductive resin composition comprising from 10 to 85 wt % of PPE, from 8 to 82 wt % of HI and from 3 to 33 wt % of an electrical conductivity-imparting material, integrally laminated on one side or both sides of the base material layer A by coextrusion.