ASPHALT PELLETS
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United States of America Patent
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Issued Date -
Sep 29, 2011
app pub date -
Jun 3, 2011
filing date -
Aug 29, 2008
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
Storage stable asphalt paving pellets that contain recycled asphalt shingle material and, optionally, RAP fines, ground tire rubber, and the like. Methods for making and utilizing the storage stable asphalt paving pellets are also disclosed. A typical pellet includes a core and an outer shell. The core may include recycled asphalt shingle material and an asphalt binder material (e.g., bitumen). The outer shell, which may include a number of different materials such as, but not limited to, mineral fines, ground plastic fines, clays, and the like, is configured to prevent the asphalt pellets from sticking to each other or to adjacent surfaces during storage. The storage stable asphalt paving pellets can be manufactured at a central facility and then stored at a job site, a warehouse, or the like until they are needed for the preparation of asphalt paving material.
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