Patent application number | Description | Published |
20110288249 | Halogen Substituted Heteroatom-Containing Metallocene Compounds for Olefin Polymerization - Halogen substituted metallocene compounds are described and comprise one or more monocyclic or polycyclic ligands that are pi-bonded to the metal atom and include at least one halogen substituent directly bonded to an sp | 11-24-2011 |
20120071616 | Pyridyldiamido Transition Metal Complexes, Production And Use Thereof - Pyridyldiamido transition metal complexes are disclosed for use in alkene polymerization. | 03-22-2012 |
20120202956 | Halogen Substituted Heteroatom-Containing Metallocene Compounds for Olefin Polymerization - Halogen substituted metallocene compounds are described and comprise one or more monocyclic or polycyclic ligands that are pi-bonded to the metal atom and include at least one halogen substituent directly bonded to an sp | 08-09-2012 |
20130276519 | Methods of Separating Compounds - Methods for chromatography for metal compounds are disclosed herein. These methods relate to introducing an analyte solution into a chromatographic system comprising a liquid phase flowing through a solid stationary phase, wherein the solid stationary phase comprises graphitic carbon; and eluting compounds from the stationary phase with a retention factor greater than zero, wherein a chromatogram of the eluted compounds shows that the compounds are substantially resolved. Methods for determining the purity of mixtures of metal compounds are also disclosed. | 10-24-2013 |
20140316089 | Pyridyldiamide Metal Catalysts and Processes to Produce Polyolefins - Disclosed are new classes of pyridyldiamide catalyst components useful in olefin polymerization, an example of which includes: | 10-23-2014 |
20150025207 | Cyclopropyl Substituted Metallocene Catalysts - This invention relates to a novel group 2, 3 or 4 transition metal metallocene catalyst compound having at least one arenyl ligand substituted with: 1) a cyclopropyl group and, optionally, 2) at least one other group, such as a hydrocarbyl, a heteroatom or a heteroatom containing group. | 01-22-2015 |
20150025209 | Substituted Metallocene Catalysts - This invention relates to novel bridged a hafnium transition metal metallocene catalyst compounds having two indenyl ligands substituted at the 4 positions with a C | 01-22-2015 |
20150141601 | Pyridyldiamido Transition Metal Complexes, Production and Use Thereof - Pyridyldiamido transition metal complexes are disclosed for use in alkene polymerization. | 05-21-2015 |