Patent watch

Patent watch

Tokyo's Shibaura Institute of Technology has received Patent No. 8,317,896, which describes a method of recovering metals from flat panel displays, using an aqueous acid solution.

Empire Technology Development LLC of Wilmington, Delaware has submitted Patent Application No. 20120302779, which describes a method of recovering lithium from scrap lithium-ion batteries.

Panasonic has filed Patent Application 20120305456, outlining a method of determining whether an electronics case contains brominated flame retardants by measuring its light absorption spectrum.

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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