Olefin polymerization catalyst composition comprising group 13 compound
US6017842A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Jul 18, 1997 |
| Grant date | Jan 25, 2000 |
| Priority date | — |
| Expiry date | Jul 18, 2017 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S526/943
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
Catalyst compositions that are highly tolerant of catalyst poisons comprising a catalytic derivative of a Group 4 metallocene metal complex and an Group 13 metal compound according to the formula R.sup.1.sub.2 M"(NR.sup.2.sub.2), PA1 wherein R.sup.1 and R.sup.2 independently each occurrence is a hydrocarbyl, silyl, halocarbyl, halohydrocarbyl, hydrocarbyl-substituted silyl, halocarbyl-substituted silyl, or halohydrocarbyl-substituted silyl group, said R.sup.1 and R.sup.2 having from 1 to 30 carbon, silicon, or mixtures of carbon and silicon atoms, and PA1 M" is a Group 13 metal, PA1 the molar ratio of complex to Group 13 compound being from 1:0.1 to 1:100.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.