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. 17, 2005
Filed:
Apr. 08, 2003
David Lewis Myers, Cumming, GA (US);
John Joseph Lassig, Lawrenceville, GA (US);
Leonid Anthony Turkevich, Alpharetta, GA (US);
David Grant Midkiff, Alpharetta, GA (US);
David Lewis Myers, Cumming, GA (US);
John Joseph Lassig, Lawrenceville, GA (US);
Leonid Anthony Turkevich, Alpharetta, GA (US);
David Grant Midkiff, Alpharetta, GA (US);
Kimberly Clark Worldwide, Inc., Neenah, WI (US);
Abstract
A porous polymeric sheet is provided having an electrostatic charge and comprising a zero-three composite of a polymeric matrix and a ferroelectric material dispersed therein. The polymeric component comprises a non-polar thermoplastic polymer, such as a polyolefin, and a second thermoplastic polymer having polar functional units, such as a telomer. The composite material is formed into a porous sheet and is electrically or corona poled to create an electret material which is well suited four use in various filtration, air-masking and dust wipe applications.