Resources Contact Us Home Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE     Method for separating analogous organic compounds Image Number 2 for United States Patent #6492513. The present invention relates to a method for separating a lactone-containing high-molecular weight compound having an alkyl group as its side chain from a lactone-containing high-molecular weight compound having an alkenyl group as its side chain by using a sulfonic acid group-containing cation exchange resin pretreated with silver ions.       Recently Added Patents System and method for collecting and distributing reviews and ratings Electric oven Waveguide coupling device with properties of forward and backward coupling as well as manufacturing method thereof Non-lithographic method of patterning contacts for a photovoltaic device Repeater device Electric blind rivet setting device Computer readable medium storing a universal driver, method of controlling a device and apparatus   Randomly Featured Patents Airway implant cartridge and kit Electrolytic graining of aluminum with nitric and oxalic acids Regeneration of ionic liquid catalyst using a metal in the absence of added hydrogen Method for detecting a fault condition Poultry loading apparatus and method Image processing apparatus for reducing coding load Pill dispensing machine Using refractory metal silicidation phase transition temperature points to control and/or calibrate RTP low temperature operation Slit valve having increased flow uniformity Method of making a thermoformable laminate structure © 2006-2008 PatentGenius. All Rights Reserved.