New ligands, compositions, metal-ligand complexes and arrays with pyridyl-amine ligands are disclosed that catalyze the polymerization of monomers into polymers. Certain of these catalysts with hafnium metal centers have high performance characteristics, including higher comonomer incorporation into...http://www.google.es/patents/US20020173419?utm_source=gb-gplus-sharePatente US20020173419 - Methods of polymerizing ethylene and styrene copolymers with substituted pyridyl amine catalysts and catalysts therefor
Methods of polymerizing ethylene and styrene copolymers with substituted ...
Número de solicitud: 09/992,148 Número de publicación: US 2002/0173419 A1 Fecha de presentación: 6 Nov 2001 Patente emitida: US6706829 ( Fecha de emisión 16 Mar 2004)