Membrane separation process for separating carbonate-containing diaminoalkane solution
US12391639B2 · kind B2 · utility
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Key dates
| Filing date | Mar 10, 2021 |
| Grant date | Aug 19, 2025 |
| Priority date | — |
| Expiry date | Oct 23, 2042 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02P20/10
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A method of removing carbon dioxide from a carbonate-containing diaminoalkane solution, the method including passing the carbonate-containing diaminoalkane solution through a membrane module, and a method of preparing diaminoalkane including the same.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.