Coagulative recovery of polysulfone resins from solutions thereof
US3933764A · kind A · utility
4Cited by
2References
15Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jul 25, 1974 |
| Grant date | Jan 20, 1976 |
| Priority date | — |
| Expiry date | Jul 25, 1994 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08G75/20
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
Polysulfone resins dissolved in organic solvents can be recovered from these solutions by dispersion into water followed by treatment of the dispersion with an aliphatic hydrocarbon.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.