Manufacture of gamma-butyrolactones from 1,3-glycols and esters, halides and metadioxanes thereof
US4069232A · kind A · utility
4Cited by
5References
9Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 18, 1975 |
| Grant date | Jan 17, 1978 |
| Priority date | — |
| Expiry date | Dec 18, 1995 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02P20/582
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
Gamma-butyrolactones are manufactured from olefins by reacting an olefin with an aldehyde to produce a 1,3-difunctional compound, reacting the 1,3-difunctional compound with carbon monoxide, and thereafter recovering the lactone thus produced.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.