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| Number | Title | Issue Date |
| 5723697 | Catalytic oxidation of light alkanes in presence of a base The presence of a base in the reaction mixture in a metal-ligand catalyzed partial oxidation of alkanes results in sustained catalyst activity, and in greater percent conversion as compared with oxidation in the absence of base, while maintaining satisfac... | 03/03/1998 |
| 5663328 | Haloporphyrins and their preparation and use as catalysts The invention provides novel catalyst compositions, useful in the oxidation of hydrocarbons with air or oxygen to form hydroxy-group containing compounds and in the decomposition of hydroperoxides to form hydroxy-group containing compounds. The catalysts ... | 09/02/1997 |
| 5659029 | Preparation of porphyrins and their metal complexes A hydroxyl-containing pyrrolic compound having a hydroxyl group or a hydroxyl-containing group in the 2-position, optionally substituted in the beta positions, is condensed in an acidified two immiscible phase solvent system to produce excellent yields of... | 08/19/1997 |
| 5648590 | Liquid phase isomerization of alkanes Acyclic hydrocarbons having 4 to 7 carbon atoms per molecule are isomerized in the liquid phase by contact with a solid superacid catalyst comprising sulfated oxide or hydroxide of a metal selected from the group consisting of Group III and Group IV metal... | 07/15/1997 |
| 5345011 | New manganese catalyst for light alkane oxidation Aluminophosphates containing manganese in the structural framework are employed for the oxidation of alkanes, for example the vapor phase oxidation of methane to methanol.... | 09/06/1994 |
| 5334780 | Oxidation of hydrocarbons over ordered arrays of heteropolyacids and polyoxoanions on graphite Alkanes are catalytically oxidized using heteropolyacids (HPAs) or polyoxoanions (POAs) deposited on a graphite surface. The HPAs and POAs are framework-substituted with a different metal in place of a metal-oxygen unit.... | 08/02/1994 |
