[EN] METATHESIS CATALYSTS AND PROCESSES FOR USE THEREOF<br/>[FR] CATALYSEURS DE MÉTATHÈSE ET LEURS PROCÉDÉS D'UTILISATION
                        
                            
                                申请人:EXXONMOBIL CHEM PATENTS INC
                            
                            
                                公开号:WO2011056874A2
                            
                            
                                公开(公告)日:2011-05-12
                            
                            This invention relates to a metathesis catalyst compound comprising an asymmetrically substituted N-heterocyclic carbene (NHC) metathesis catalyst and a process to make linear alpha-olefms comprising contacting a feed material and an optional alkene (such as ethylene) with said catalyst, where the feed material is a triacylglyceride, fatty acid, fatty acid alkyl ester, and/or fatty acid ester, typically derived from biodiesel.