Method for preventing fouling in polymerization reactors
US5929179A · kind A · utility
3Cited by
8References
15Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 3, 1997 |
| Grant date | Jul 27, 1999 |
| Priority date | — |
| Expiry date | Sep 3, 2017 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08F110/02
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
The invention relates to a method for preventing fouling in polymerization reactors, in particular in loop reactors, in which alpha-olefins are polymerized or copolymerized in particle form in the presence of catalysts. A mixture of alpha-olefin-acrylonitrile copolymers and polymeric polyamines is added into a reactor in order to prevent the fouling of the reactor.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.