Process for the removal of vinyl chloride from polyvinyl chloride latexes and slurries
US4226974A · kind A · utility
1Cited by
3References
1Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 21, 1977 |
| Grant date | Oct 7, 1980 |
| Priority date | — |
| Expiry date | Jan 21, 1997 |
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 an inorganic gas, such as air or ammonia, while they are maintained at subatmospheric pressure.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.