Method for emergency shutdown of gas phase polyolefin reactor
US4326048A · kind A · utility
26Cited by
5References
5Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 27, 1980 |
| Grant date | Apr 20, 1982 |
| Priority date | — |
| Expiry date | May 27, 2000 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08F10/00
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
In a gas phase olefin polymerization using a transition metal compound/aluminum alkyl catalyst system, polymerization can be terminated rapidly by injecting an amount of carbon oxide and then restarting efficiently by addition of an amount of aluminum alkyl.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.