Single solvent polymer extraction methods
US7795376B2 · kind B2 · utility
6Cited by
3References
17Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 2, 2009 |
| Grant date | Sep 14, 2010 |
| Priority date | — |
| Expiry date | Jul 2, 2029 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08G63/06
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
A method of isolating a PHA, includes combining the PHA, a first solvent and a second solvent to form a combination, the first solvent being capable of forming an azeotrope with the second solvent; and heating the combination to form the azeotrope of the first and second solvents.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.