Removal of impurities from vinyl chloride
US4418233A · kind A · utility
4Cited by
1References
5Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 13, 1982 |
| Grant date | Nov 29, 1983 |
| Priority date | — |
| Expiry date | May 13, 2002 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07C17/38
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
Impurities are removed from vinyl chloride by passing it over finely divided calcium oxide.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.