Krones AG has received Patent No. 8,304,457, which describes a method and device for recycling used plastic containers — specifically PET bottles. The device is capable of analyzing the degree of contamination on a particular container and assigning a specific decontamination and processing procedure based on that information.
MBA Polymers, Inc. has received Patent No. 8,302,777, describing a method of reducing the amount of heavy metals in a mixture of shredded plastic flakes.
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.