Cryogenic rectification system for processing atmospheric fluids
US6314757A · kind A · utility
1Cited by
10References
10Claims
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Key dates
| Filing date | Aug 25, 2000 |
| Grant date | Nov 13, 2001 |
| Priority date | — |
| Expiry date | Aug 25, 2020 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S62/925
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A cryogenic rectification system comprising a rare gas concentrator column for producing a liquid having an enhanced concentration of krypton and xenon, and which processes atmospheric fluids and also produces gaseous oxygen and liquid nitrogen.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.