Outsole for an article of footwear
US7765720B2 · kind B2 · utility
0Cited by
18References
61Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 12, 2007 |
| Grant date | Aug 3, 2010 |
| Priority date | — |
| Expiry date | Apr 22, 2029 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08K5/5465
- WIPO fieldOther consumer goods
- WIPO sectorOther fields
Abstract
An article of footwear includes an upper and a sole assembly secured to the upper. The sole assembly includes a lower ground engaging surface portion and an upper surface portion. The upper surface of the first portion is in contact with the upper. At least part of the lower ground engaging surface portion is a polymer material formed from a blend of polybutadiene polymer and a carboxylated butadiene-acrylonitrile or partially hydrogenated carboxylated butadiene acrylonitrile; wherein the polymer material has a density of 1.00-1.25 g/cm3 and a hardness of at least 55 Asker C.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.