Method for eliminating inhibitors of polymerization of monomer mixtures using an alumina with optimized form
US6174480A · kind A · utility
2Cited by
1References
17Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Sep 9, 1999 |
| Grant date | Jan 16, 2001 |
| Priority date | — |
| Expiry date | Sep 9, 2019 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07B63/00
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
The invention relates to a process for adsorption of polymerization inhibitors from ethylenically unsaturated monomers, in which these inhibitors are placed in contact with an alumina produced by forming by drop coagulation or by extrusion-blending.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.