Liquid absorbent solutions for separating nitrogen from natural gas
US6136222A · kind A · utility
102Cited by
9References
14Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 11, 1996 |
| Grant date | Oct 24, 2000 |
| Priority date | — |
| Expiry date | Apr 11, 2016 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC01B2210/007
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
Nitrogen-absorbing and -desorbing compositions, novel ligands and transition metal complexes, and methods of using the same, which are useful for the selective separation of nitrogen from other gases, especially natural gas.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.