Material processing by repeated solvent expansion-contraction
US6884911B2 · kind B2 · utility
0Cited by
11References
14Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 30, 2001 |
| Grant date | Apr 26, 2005 |
| Priority date | — |
| Expiry date | Oct 17, 2022 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB01D11/0257
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A method for repeatedly converting a solvent from a state of solvent to a state of antisolvent with relatively little loss of solvent. The method is used to allow for processing of large amounts of solute material with minimum amounts of solvent.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.