Kumudini C. Jayaratne, Helsinki FI
Kumudini C. Jayaratne, Helsinki FI
Patent application number | Description | Published |
---|---|---|
20120058886 | Nano-Linked Metallocene Catalyst Compositions and Their Polymer Products - The present invention provides polymerization catalyst compositions employing novel dinuclear metallocene compounds. Methods for making these new dinuclear metallocene compounds and for using such compounds in catalyst compositions for the polymerization and copolymerization of olefins are also provided. | 03-08-2012 |
20120149854 | NANO-LINKED HETERONUCLEAR METALLOCENE CATALYST COMPOSITIONS AND THEIR POLYMER PRODUCTS - The present invention provides polymerization catalyst compositions employing novel heterodinuclear metallocene compounds. Methods for making these new dinuclear metallocene compounds and for using such compounds in catalyst compositions for the polymerization of olefins are also provided. | 06-14-2012 |
20120149855 | Nano-Linked Metallocene Catalyst Compositions and Their Polymer Products - The present invention provides polymerization catalyst compositions employing novel dinuclear metallocene compounds. Methods for making these new dinuclear metallocene compounds and for using such compounds in catalyst compositions for the polymerization and copolymerization of olefins are also provided. | 06-14-2012 |
20120190804 | DUAL METALLOCENE CATALYSTS FOR POLYMERIZATION OF BIMODAL POLYMERS - This invention relates to catalyst compositions, methods, and polymers encompassing at least one first Group 4 metallocene compound comprising bridging η | 07-26-2012 |
20130053523 | Polymerization Process for Producing Bimodal Polymers - Catalyst compositions comprising a first metallocene compound, a second metallocene compound, an activator-support, and an organoaluminum compound are provided. An improved method for preparing cyclopentadienyl complexes used to produce polyolefins is also provided. | 02-28-2013 |
20130079477 | Dual Metallocene Catalyst Systems for Decreasing Melt Index and Increasing Polymer Production Rates - The present invention provides dual catalyst systems and polymerization processes employing these dual catalyst systems. The disclosed polymerization processes can produce olefin polymers at higher production rates, and these olefin polymers may have a higher molecular weight and/or a lower melt index. | 03-28-2013 |
20130245210 | Dual Metallocene Catalyst Systems for Decreasing Melt Index and Increasing Polymer Production Rates - The present invention provides dual catalyst systems and polymerization processes employing these dual catalyst systems. The disclosed polymerization processes can produce olefin polymers at higher production rates, and these olefin polymers may have a higher molecular weight and/or a lower melt index. | 09-19-2013 |
20140235804 | Dual Metallocene Catalyst Systems for Decreasing Melt Index and Increasing Polymer Production Rates - The present invention provides dual catalyst systems and polymerization processes employing these dual catalyst systems. The disclosed polymerization processes can produce olefin polymers at higher production rates, and these olefin polymers may have a higher molecular weight and/or a lower melt index. | 08-21-2014 |