Process for the production of polyethylene
US5102841A · kind A · utility
7Cited by
7References
4Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 11, 1990 |
| Grant date | Apr 7, 1992 |
| Priority date | — |
| Expiry date | Dec 11, 2010 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S526/904
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
A process for the production of polyethylene comprising contacting ethylene or a mixture comprising ethylene and one or more alpha-olefins and, optionally, one or more diolefins, under polymerization conditions, with a catalyst system comprising: PA0 (a) a particulate catalyst precursor based on titanium or vanadium; PA0 (b) polypropylene support particles to which the catalyst precursor particles are bonded; and PA0 (c) a hydrocarbyl aluminum cocatalyst.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.