## 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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[1]: http://patft.uspto.gov/
[2]: http://www.resource-recycling.com/images/e-newsletterimages/RRC2012Banner.jpg (RRC 2012 Banner)
[3]: http://www.rrconference.com/
[4]: http://www.resource-recycling.com/images/e-newsletterimages/PRUe-news070512.html
URL: http://resource-recycling.com/node/2887
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