|
| US4739064 | 4 Dic 1985 | 19 Abr 1988 | Phillips Petroleum Company | Selective hydrogenation of heterocyclic aromatic compounds |
| US5914029 | 10 Sep 1997 | 22 Jun 1999 | UOP LLC | High efficiency desulfurization process |
| US7220352 | 24 Feb 2003 | 22 May 2007 | Exxonmobil Research and Engineering Company | Selective hydrodesulfurization of naphtha streams |