Method for improving ethylene polymerization reactions
US9109058B2 · kind B2 · utility
0Cited by
2References
15Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Nov 14, 2013 |
| Grant date | Aug 18, 2015 |
| Priority date | — |
| Expiry date | Nov 14, 2033 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08F10/02
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
The present invention relates to a method for initiating an ethylene polymerization reaction in an ethylene polymerization loop reactor. More particularly, the invention relates to the timing upon which hydrogen is introduced into the ethylene polymerization loop reactor. The catalysts used in the ethylene polymerization reaction according to present invention are preferably metallocene catalysts.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.