Process for preparation of 1,3-propanediol
US7126034B2 · kind B2 · utility
3Cited by
18References
22Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 30, 2003 |
| Grant date | Oct 24, 2006 |
| Priority date | — |
| Expiry date | Oct 30, 2023 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC12C11/02
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
Disclosed is a process for hydrogenating 3-hydroxypropionic acid, or esters thereof, or mixtures of the acid and the ester, in a liquid phase, in the presence of a ruthenium catalyst, alone, or in combination with at least one or more additional metal catalyst wherein the metal is molybdenum, tungsten, titanium, zirconium, niobium, vanadium, chromium, or mixtures of the metals.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.