Air separation
US5361590A · kind A · utility
10Cited by
6References
19Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | May 21, 1993 |
| Grant date | Nov 8, 1994 |
| Priority date | — |
| Expiry date | May 21, 2013 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF25J2250/52
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A medium purity gaseous oxygen cycle in which reboil for the LP column is provided partly by nitrogen from the HP column and partly by a stream of air.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.