Patent watch

Patent watch

Patent Application No. 20120157636 has been filed by the Eastman Chemical Company, relating to a specific type of polyester blend made from both virgin and recycled, post-consumer PET. The blend is described as being "visually clear."

Krones AG has filed Patent Application No. 20120157557, which describes a method of separating unwanted polymers from a PET polymer mixture.

For more information on these or any patents, please consult the U.S. Patent Office database online [1].

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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