Wow. The PSON U.S. Patent has EXPIRED! http://www.sec.gov/Archives/edgar/data/1451654/000114420412041883/v319861_ex2-1.htm TECHNOLOGY – INTELLECTUAL PROPERTY ASSETS PATENTS I - METHOD FOR TREATING HEAVY CRUDE OIL 4. US 61/035,690 UNITED STATES METHOD FOR TREATING HEAVY CRUDE OIL PRIORITY CLAIM EXPIRED