Hydrogenation of biochemical derived 1,3 -propanediol
US7098368B2 · kind B2 · utility
17Cited by
6References
31Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 5, 2004 |
| Grant date | Aug 29, 2006 |
| Priority date | — |
| Expiry date | Jul 8, 2024 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07C29/90
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
The invention discloses a hydrogenation process for removing impurities and controlling acid for use in downstream processing of biochemically-derived 1,3-propanediol. Preferably, the biochemically-derived 1,3-propanediol, before the contacting, has an initial color and, after the contracting, has a color that is lower than the initial color.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.