Manufacture of .alpha.,.beta.-unsaturated acids and anhydrides
US4085143A · kind A · utility
13Cited by
4References
15Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jun 5, 1975 |
| Grant date | Apr 18, 1978 |
| Priority date | — |
| Expiry date | Jun 5, 1995 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07C51/567
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
The present invention relates to a new process for the manufacture of .alpha.,.beta.-unsaturated acids and their anhydrides from formaldehyde, and a saturated acid anhydride containing 1 less carbon atom in the hydrocarbon moiety.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.