Process for the continuous production of sorbic acid
US3992442A · kind A · utility
5Cited by
1References
3Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 13, 1974 |
| Grant date | Nov 16, 1976 |
| Priority date | — |
| Expiry date | Dec 13, 1994 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07C51/09
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
A process for manufacturing sorbic acid in a continuous manner which comprises preparing a polyester from ketene and crotonaldehyde and then decomposing the polyester with hydrochloric acid in a multiple reactor system under such conditions that the degree of the decomposition of the starting polyester in each reactor is maintained at either (1) not more than 45 percent, or (2) not less than 90 percent.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.