Process for preparing and purifying acrylic acid from propylene having improved capacity
US6639106B1 · kind B1 · utility
8Cited by
16References
11Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 19, 2000 |
| Grant date | Oct 28, 2003 |
| Priority date | — |
| Expiry date | Jul 19, 2020 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07C51/48
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
This invention relates to an improved process for preparing acrylic acid from propylene using a tandem reactor and utilizing an increased amount of propylene reactant, thereby providing increased capacity and throughput. An improved process for purifying acrylic acid is also disclosed.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.