Process for reducing polymer build-up in heat exchangers during polymerization of alpha-olefins
US5037905A · kind A · utility
20Cited by
2References
10Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 7, 1989 |
| Grant date | Aug 6, 1991 |
| Priority date | — |
| Expiry date | Dec 7, 2009 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S526/901
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
A method for inhibiting polymer build-up in a heat exchanger during the gas phase polymerization of alpha-olefins which comprises introducing upstream of the heat exchanger para ethyl ethoxybenzoate in an amount sufficient to inhibit polymer build-up.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.