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:
Jul. 21, 1992
Filed:
Aug. 10, 1990
Takao Hayashi, Shimonoseki, JP;
Norihiro Sato, Shimonoseki, JP;
Manabu Hosoi, Omiya, JP;
Nobuyoshi Kasahara, Sayama, JP;
Clemens Aderhold, Krefeld, DE;
Wolf-Dieter Griebler, Moers, DE;
Jorg Hocken, Dusseldorf, DE;
Uwe Rosin, Duisburg, DE;
Gunther Rudolph, Neuberg, DE;
Metallgesellschaft Aktiengesellschaft, Frankfurt am Main, DE;
Mitsui Mining & Smelting Co., Ltd., Tokyo, JP;
Abstract
An electrically conductive powder is provided which comprises particles of zinc sulfide coated with an elecctrically conductive coating of copper sulfide wherein the zinc sulfide particles have a BET surface area of 2 to 10 m.sup.2 /g and a purity of at least 97%, and is particularly useful to impart antistatic properties to plastics, synthetic fibers, laminated papers and the like.