Fractional distillation column and method for its use
US5091060A · kind A · utility
11Cited by
8References
8Claims
0Family size
Assignee
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Key dates
| Filing date | Sep 10, 1990 |
| Grant date | Feb 25, 1992 |
| Priority date | — |
| Expiry date | Sep 10, 2010 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S203/09
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A fractional distillation column and method for its use are provided which employ n sets of trays, where n is an integer and n.gtoreq.2. An equivalent number n of separate liquid streams are passed generally downwardly through the column so that each liquid stream flows onto and between individual trays of its corresponding set of trays.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.