Single circuit cryogenic liquefaction of industrial gas
US6041621A · kind A · utility
47Cited by
8References
11Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 30, 1998 |
| Grant date | Mar 28, 2000 |
| Priority date | — |
| Expiry date | Dec 30, 2018 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC09K2205/22
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A method for more efficiently liquefying industrial gas wherein refrigeration for the liquefaction is generated using a defined multicomponent refrigerant fluid and provided by a single flow circuit over a wide temperature range from ambient to cryogenic temperature.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.