Korean inventor Dongkook Jang has filed Patent Application No. 20130225702, which describes a method of recycling expanded polystyrene foam into fire-resistant insulation for use in construction of buildings.
London-based Nextek Ltd. has filed Patent Application No. 20130231407, relating to a process for separating two or more components of a plastic scrap mixture for recycling.
Carpet Processing & Recycling LLC of Tacoma, Washington has filed Patent Application No. 20130231030, which describes devices and methods for disassembling carpet into its component parts for recycling.
Patent No. 8,536,238, describing a process for preparing thermal insulation sheets out of unseparated mixed plastics, has been awarded to Fares Alsewailem of Riyadh, Saudi Arabia.
Spanish organization L'Urederra Fundacion para el Desarrollo Technologico y Social has received Patent No. 8,530,531, describing a method of separating and recycling polyvinyl butyral that had been bonded to laminated glass.
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.