Catalyst for the reduction of oxides of nitrogen
Patent 4735927 Issued on April 5, 1988. Estimated Expiration Date: 
September 23, 2006. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.
September 23, 2006. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.Patent References 3895094 Catalytic process for reducing nitrogen oxides to nitrogen Conversion of nitrogen oxides Reduction of nitrogen oxides with catalytic acid resistant aluminosilicate molecular sieves and ammonia Process for reducing nitric oxides Catalyst for treating waste gases Pollution control catalyst Patent #: 4663300 InventorsAssigneeApplicationNo. 06/910591 filed on 09/23/1986US Classes:502/64, Zeolite423/239.2, Zeolite502/78Mordenite typeExaminersPrimary: Dees, Carl F.Attorney, Agent or FirmInternational ClassesB01D 53/86 (20060101)B01J 29/06 (20060101) B01J 29/00 (20060101) AbstractA catalyst for the selective reduction of nitrogen oxides to nitrogen in the presence of ammonia in the form of composite bodies formed from a mixture of anatase (5 to 40% by weight), a zeolite (50 to 90%), a bond material (0 to 30%, and, optionally, promoter selected from oxides of vanadium, molybdenum, and copper, in the amount of at least 0.1% by weight. |
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