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:
Apr. 23, 2013
Filed:
Oct. 22, 2008
Koenraad Noyens, Geel, BE;
Marc DE Vleesschauer, Kontich, BE;
Koenraad Noyens, Geel, BE;
Marc De Vleesschauer, Kontich, BE;
Borealis Technology OY, Porvoo, FI;
Abstract
The present invention provides a semiconductive polymer composition having (a) from 30 to 90 wt % of a polymer component, (b) from 10 to 60 wt % of carbon black and (c) from 0 to 8 wt % additives, based on the total semiconductive polymer composition, and wherein the composition comprises less than 23 particles per mhaving a width of larger than 150 μm at the half height of a particle protruding from the surface of the tape sample, less than 10 particles per mhaving a width of larger than 200 μm at the half height of a particle protruding from the surface of the tape sample, and preferably, about 0 particles per mhaving a width of larger than 500 μm at the half height of a particle protruding from the surface of the tape sample.