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| Number | Title | Issue Date |
| 7989407 | Catalytic antioxidants The present invention is directed to lubricating oils exhibiting improved resistance to oxidation and deposit/sludge formation comprising a lubricant base oil and an effective amount of a catalytic antioxidant comprising one or more polymetal organometallic compound... | 08/02/2011 |
| 7745373 | Single step decomposition and activation of noble metal complexes on catalytic supports The present invention is a method to activate a noble metal complex dispersed on a catalyst support comprising calcining in hydrogen in order to decompose and reduce the noble metal complex in a single step. In a preferred embodiment, the noble metal catalyst is a c... | 06/29/2010 |
| 7553790 | Enhanced crystal acidity exchange method The present invention describes a method to increase the activity of a catalyst by first performing an ion exchange step with a potassium ion, followed by performing an ion-exchange step with an ammonium ion. Specifically, the present invention describes a method to... | 06/30/2009 |
| 7527782 | ITQ-27, new crystalline microporous material ITQ-27 (INSTITUTO DE TECNOLOGÍA QUÍMICA number 27) is a new crystalline microporous material with a framework of tetrahedral atoms connected by atoms capable of bridging the tetrahedral atoms, the tetrahedral atom framework being defined by the interconnections be... | 05/05/2009 |
