Process for the removal of uranium contained in homo- and co-polymers of mono- and diolefines
US4072739A · kind A · utility
1Cited by
7References
5Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 1, 1975 |
| Grant date | Feb 7, 1978 |
| Priority date | — |
| Expiry date | Aug 1, 1995 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08C2/04
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
The invention relates to the purification of homo- and copolymers of mono- and diolefines, as obtained from a solution polymerization in the presence of uranium catalysts, from the catalyst residues, and particularly to a process for the removal of the uranium from the hydrocarbon solution of the polymer, which solution is mixed with an aqueous solution of ammonium carbonate, the thus resulting aqueous phase being then separately treated for the recovery of the ammonium carbonate and of the uranium.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.