Method of recovering 1,3-propanediol from fermentation broth
US6479716B2 · kind B2 · utility
16Cited by
14References
14Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 15, 2001 |
| Grant date | Nov 12, 2002 |
| Priority date | — |
| Expiry date | Mar 15, 2021 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07C29/76
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
A method of recovering 1,3 -propanediol (PDO) from fermentation broth is disclosed. The method employs ion exclusion resins to separate PDO from other impurities. The product fraction contains greater than 80% pure PDO with high yield.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.