Patent watch

Polymer Recycling LLC of North Charleston, South Carolina, has received Patent No. 8,334,361, which describes a method of recycling oil-based paint to form a new composite roofing material.

Phillip Bell and David Zoller have filed Patent Application No. 20120329977, which describes a method of using liquid chromatography to recover polycarbonates.

Donald Hayward has received Patent Application No. 20120322901 for a way of removing contaminants from post-consumer polyolefins through particle size reduction.

Patent Application No, 20120318180 submitted by William Bang describes a burner system for waste plastic.

For more information on these or any patents, please consult the U.S. Patent Office database online.

Copies of patents can be ordered by number for $3 each from the Commissioner of Patents and Trademarks, P.O. Box 1450, Alexandria, VA, 22313-1450.

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