Did You Know...
...that to encourage use of his new invention, the shopping cart, market owner Sylvan Goldman hired fake shoppers to push the carts around his store in Oklahoma City? Seems his customers were reluctant to give up their hand-carried baskets.
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| Number | Title | Issue Date |
| 7527776 | Ammonia SCR catalyst and method of using the catalyst A catalyst and a method for selectively reducing nitrogen oxides with ammonia are provided. The catalyst includes a first component of copper, chromium, cobalt, nickel, manganese, iron, niobium, or mixtures thereof, a second component of cerium, a lanthanide, a mixt... | 05/05/2009 |
| 7514055 | Method of controlling emissions from a diesel cycle internal combustion engine with perovskite-type metal oxide compounds Methods of controlling emissions from a diesel engine are provided. The method includes contacting the emissions with a perovskite-type catalyst consisting essentially of a metal oxide composition represented by the general formula Aa−xBxMO | 04/07/2009 |
| 7014825 | Perovskite-type metal oxide compounds and methods of making and using thereof Perovskite-type catalyst consists essentially of a metal oxide composition and methods of using them are provided. The metal oxide composition is represented by the general formula Aa−xBxMOb, in which A is a mixture of elements ori... | 03/21/2006 |
| 6531425 | Catalytic converter comprising perovskite-type metal oxide catalyst Perovskite-type catalyst consists essentially of a metal oxide composition is provided. The metal oxide composition is represented by the general formula Aa-x Bx MOb, in which A is a mixture of elements originally in the f... | 03/11/2003 |
| 6372686 | Perovskite-type metal oxide compounds and methods of making and using thereof Perovskite-type catalyst consists essentially of a metal oxide composition is provided. The metal oxide composition is represented by the general formula Aa-x Bx MOb, in which A is a mixture of elements originally in the f... | 04/16/2002 |
| 6352955 | Perovskite-type metal oxide compounds Perovskite-type catalyst consists essentially of a metal oxide composition is provided. The metal oxide composition is represented by the general formula A1-x Bx MO3, in which A is a mixture of elements originally in the f... | 03/05/2002 |
