Articles prepared using recycled materials and methods of preparation thereof
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United States of America Patent
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Aug 25, 2015
Grant Date -
Aug 7, 2014
app pub date -
Dec 5, 2013
filing date -
Sep 25, 2007
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Abstract
The present invention is directed to articles of manufacture having at least a portion prepared using recycled material, including but not limited recycled rubber or other polymeric materials. The articles may incorporate the recycled materials in a granulated form. In specific embodiments, the article comprises an article of footwear (i.e., a shoe). Particularly, all or part of the shoe sole may be formed using the granulated material, the granules specifically being joined together using a binder material, such as a polyurethane, preferably a moisture cure, single component polyurethane binder. The invention further provides methods of preparing articles formed of granulated materials. The inventive methods are characterized by their excellent economic benefits, ease of use, and environmental benefits.
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