Preparation of morpholine
US4739051A · kind A · utility
17Cited by
2References
4Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 17, 1987 |
| Grant date | Apr 19, 1988 |
| Priority date | — |
| Expiry date | Feb 17, 2007 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB01J23/755
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
Morpholine and other cyclic imines are obtained by reacting diethylene glycol and other appropriate diols with ammonia under hydrogenating conditions in the gas phase in the presence of a catalyst which contains copper, a smaller amount of nickel and alumina.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.