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:
Jan. 29, 2002
Filed:
Apr. 14, 1999
Ruzica Krstic, Portland, OR (US);
Leonard Edward Raymond Kosinski, Chadds Ford, PA (US);
Other;
Abstract
An article of footwear, such as an athletic shoe, having a wear resistant outsole is disclosed. The article of footwear includes an upper secured to a sole having a ground engaging portion with a wear resistant material composed of a thermoplastic polymer blended with from 0.1% to 2% of a fluorocarbon additive. In a preferred embodiment, the sole has ground engaging protrusions or cleats with at least the tip of one cleat composed of the wear resistant material. Preferably, the wear resistant material is a blend of thermoplastic polyurethane, such as Bayer Corporation's TEXIN 285™ or DESMONPAN 8785™, blended with 0.1% to 2% perfluoropolyether, such as DuPont KRYTOX™ general purpose oils and greases having GPL oil grades from 100 to 107, and more preferably having GPL oil grades from 101 to 105, inclusive.