Catalyst composition, method of polymerization, and polymer therefrom
US6894128B2 · kind B2 · utility
35Cited by
40References
18Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 5, 2003 |
| Grant date | May 17, 2005 |
| Priority date | — |
| Expiry date | Sep 19, 2023 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S526/943
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
Catalyst compositions and methods useful in polymerization processes utilizing at least two metal compounds are disclosed. At least one of the metal compounds is a Group 15 containing metal compound and the other metal compound is preferably a bulky ligand metallocene-type catalyst. The invention also discloses a new polyolefin, generally polyethylene, particularly a multimodal polymer and more specifically, a bimodal polymer, and its use in various end-use applications such as film, molding and pipe. The Group 15 containing metal compound is represented in one embodiment by the formulae:
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.