Carbamate condensation unit
US7585473B2 · kind B2 · utility
0Cited by
9References
2Claims
0Family size
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Key dates
| Filing date | Oct 1, 2001 |
| Grant date | Sep 8, 2009 |
| Priority date | — |
| Expiry date | Jan 17, 2022 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02P20/141
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A carbamate condensation unit of the submerged type for synthesis urea production plants comprising a tube bundle for the condensation of gaseous compounds, is distinguished in that it further comprises a duct, structurally independent from the tube bundle, for the circulation of part of the condensed gaseous compounds inside the condensation unit.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.