Process for making epsilon-caprolactam
US4359421A · kind A · utility
21Cited by
1References
13Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 15, 1981 |
| Grant date | Nov 16, 1982 |
| Priority date | — |
| Expiry date | Jan 15, 2001 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02P20/52
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
Process for preparing caprolactam from cyclohexanone oxime by passing the oxime, preferably dissolved in a solvent, over a zeolite having a SiO.sub.2 /Al.sub.2 O.sub.3 of at least 12 and a Constraint Index of from 1 to 12.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.