Resources Contact Us Home Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE     Wen-Yan Xu Patents Inventor: Xu; Wen-Yan Address: Nanjing, CN No. of patents: 1 Patents: Patent Number Title Of Patent Date Issued 5430054 Preparation methods of diterpene lactone compounds and application of the same to antifertility July 4, 1995 The invention provides methods of preparing a male antifertility agent composed of a diterpene lactone compound obtained from plants of the genus Tripterygium, the diterpene lactone compounds obtained from that method, and the use of the compounds as an antifertility agent.       Recently Added Patents Method and system for proximity detection for an in-building wireless repeater Molded semiconductor package Process for manufacture of 4-amino-hydroxybutylidene-1, 1-bisphosphonic acid and its salts Recording medium, recording method, reproduction apparatus and method, and computer-readable program Reduced pin gigabit media independent interface Collapsible wheel assembly Acoustic structure of seat back   Randomly Featured Patents Log record parsing for a distributed log on a disk array data storage system Dynamic random access memory having folded bit line-shared sense amplifiers Catheter size designation system Ignition device for an internal combustion engine Channel selector for a scanning monitor receiver Wrap-around packer Circuit arrangement with frequency synthesis for the tuning of receiving sets Method of preparing building materials Ocular therapeutic agent delivery devices and methods for making and using such devices Systems and method for determining source of abrasion in film equipment © 2006-2008 PatentGenius. All Rights Reserved.