Purification of butyrolactone
US4851085A · kind A · utility
5Cited by
13References
11Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jul 11, 1988 |
| Grant date | Jul 25, 1989 |
| Priority date | — |
| Expiry date | Jul 11, 2008 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S203/06
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
A process which comprises treating butyrolactone in at least 95% purity with an acid to convert and remove color forming impurities for product stabilization.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.