Process for the removal of vinyl chloride from polyvinyl chloride latexes and slurries with hydrocarbon compounds
US4226976A · kind A · utility
6Cited by
3References
10Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 20, 1976 |
| Grant date | Oct 7, 1980 |
| Priority date | — |
| Expiry date | Sep 20, 1996 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08F6/003
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
Vinyl chloride is removed from polyvinyl chloride dispersions, latexes, and slurries by sparging them with a gaseous organic compound, such as methane, while they are maintained at subatmospheric pressure.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.