| Patent Number |
Title Of Patent |
Date Issued |
| 7554001 |
Trimerisation and oligomerisation of olefins using a chromium based catalyst |
June 30, 2009 |
| The invention provides a mixed heteroatomic ligand for an oligomerization of olefins catalyst, which ligand includes at least three heteroatoms, of which at least one heteroatom is sulfur and at least two heteroatoms are not the same. The invention also provides a multidentate mixed |
| 7361623 |
Trimerisation and oligomerisation of olefins using a chromium based catalyst |
April 22, 2008 |
| The invention provides a mixed heteroatomic ligand for an oligomerisation of olefins catalyst, which ligand includes at least three heteroatoms, of which at least one heteroatom is nitrogen and at least two heteroatoms are not the same. The invention also provides a multidentate mixed |
| 7304200 |
Method for separation of substances by extraction or by washing them with ionic liquids |
December 4, 2007 |
| The present invention relates to a process for the liquid-liquid extraction or liquid-gas extraction of mixtures of organic compounds, in which one or more components of the mixture are completely or partly extracted by means of a phase comprising at least one ionic liquid. |
| 7300904 |
Trimerisation and oligomerisation of olefins using a chromium based catalyst |
November 27, 2007 |
| The invention provides a mixed heteroatomic ligand for an oligomerisation of olefins catalyst, which ligand includes at least three heteroatoms, of which at least one heteroatom is sulfur and at least 2 heteroatoms are not the same. The invention also provides a multidentate mixed he |
| 6995293 |
Method for the production of aldehydes |
February 7, 2006 |
| The present invention relates to a hydroformylation method by conversion of olefins or olefinically unsaturated compounds in the presence of at least one rhodium compound and in the presence of sulfonated arylphosphines in ionic liquids, which are based on a quaternary singly-charged |