Manganese (II) complexes
US4251452A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Feb 28, 1979 |
| Grant date | Feb 17, 1981 |
| Priority date | — |
| Expiry date | Feb 28, 1999 |
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.II 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.