Sorption of gases
US4323543A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | May 16, 1980 |
| Grant date | Apr 6, 1982 |
| Priority date | — |
| Expiry date | May 16, 2000 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC01B2210/0046
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
Compounds of formula I are useful in the separation of a gas such as oxygen, hydrogen, sulphur dioxide, alkenes and carbon monoxide from a fluid comprising the gas. EQU Mn.sup.11 LX.sub.2 I In formula I: L represents a monodentate ligand of formula IA and X is a species capable of existing as an anion EQU PR.sup.1 R.sup.2 R.sup.3 IA wherein R.sup.1, R.sup.2 and R.sup.3 which may be identical or different represent substituted or unsubstituted alkyl, cycloalkyl or aryl groups or hydrogen and X represents --Cl, --Br, --I, --CN, --NO.sub.2, --NO.sub.3, --OH, --NCS or --NCO, provided that no more than two of the groups R.sup.1 R.sup.2 and R.sup.3 are substituted or unsubstituted aryl groups and that at least one of the groups R.sup.1, R.sup.2 and R.sup.3 is a substituted or unsubstituted alkyl, cycloalkyl or aryl group.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.