Patent application number | Description | Published |
20090069567 | HAFNIUM COMPLEXES OF HETEROCYCLIC ORGANIC LIGANDS - Hafnium complexes of heterocyclic organic ligands having improved solubility in aliphatic hydrocarbon solvents and their use as components of olefin polymerization catalysts as well as novel syntheses of component parts thereof are disclosed. | 03-12-2009 |
20090111956 | HAFNIUM COMPLEXES OF HETEROCYCLIC ORGANIC LIGANDS - Hafnium complexes of heterocyclic organic ligands containing internal orthometallation and their use as components of olefin polymerization catalysts, especially for gas-phase olefin polymerizations, are disclosed. | 04-30-2009 |
20090186996 | HAFNIUM COMPLEXES OF CARBAZOLYL SUBSTITUTED IMIDAZOLE LIGANDS - Hafnium complexes of carbazolyl substituted imidazol ligands and their use as components of olefin polymerization catalyst compositions are disclosed. | 07-23-2009 |
20090306318 | ORTHO-METALLATED HAFNIUM COMPLEXES OF IMIDAZOLE LIGANDS - Hafnium complexes of heterocyclic organic imidazol-2-yl ligands containing internal orthometallation and their use as components of olefin polymerization catalyst compositions, especially supported catalyst compositions, are disclosed. | 12-10-2009 |
20100285253 | Long Chain Branched Propylene-Alpha-Olefin Copolymers - Substantially isotaclic propylene interpolyraets comprise (A) at least 60 weight percent (wt %) units derived from propylene, and (B) between greater than zero and 40 wt % units derived from ethylene, the propylene interpolyrner further characterized by at least one of the following properties: (1) a ratio of less than 1 measured at interpolyraer number average molecular weight (Mn), (2) a relative compositional drift of less than 50%, arid (3) propylene chain segments having a chain isotacticity triad index of at least 70 mole percent. | 11-11-2010 |
20120101241 | ETHYLENE/a-OLEFIN/DIENE SOLUTION POLYMERIZATION PROCESS AND POLYMER - A catalyst composition comprising a zirconium complex of a polyvalent aryloxyether and the use thereof in a continuous solution polymerization of ethylene, one or more C | 04-26-2012 |
20130085284 | HAFNIUM COMPLEXES OF HETEROCYCLIC ORGANIC LIGANDS - Hafnium complexes of heterocyclic organic ligands having improved solubility in aliphatic hydrocarbon solvents and their use as components of olefin polymerization catalysts as well as novel syntheses of component parts thereof are disclosed. | 04-04-2013 |
20130102789 | HAFNIUM COMPLEXES OF HETEROCYCLIC ORGANIC LIGANDS - Hafnium complexes of heterocyclic organic ligands having improved solubility in aliphatic hydrocarbon solvents and their use as components of olefin polymerization catalysts as well as novel syntheses of component parts thereof are disclosed. | 04-25-2013 |
20130102795 | HAFNIUM COMPLEXES OF HETEROCYCLIC ORGANIC LIGANDS - Hafnium complexes of heterocyclic organic ligands having improved solubility in aliphatic hydrocarbon solvents and their use as components of olefin polymerization catalysts as well as novel syntheses of component parts thereof are disclosed. | 04-25-2013 |
20130144018 | PROCESS FOR POLYMERIZING A POLYMERIZABLE OLEFIN AND CATALYST THEREFOR - The present invention generally relates to a process that copolymerizes two or more polymerizable olefins, and to cataclyst comprising a metal-ligand complex (precatalyst). The present invention also generally relates to ligands useful for preparing the metal-ligand complex. | 06-06-2013 |