Catalytic perovskites on perovskite supports and process for preparing them
Patent 4151123 Issued on April 24, 1979. Estimated Expiration Date: 
October 15, 1996. 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.
October 15, 1996. 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 3259454 3699683 3897367 3900428 3901828 3905918 InventorApplicationNo. 05/732747 filed on 10/15/1976US Classes:502/303, Lanthanum423/213.2, Utilizing as solid sorbent, catalyst, or reactant a material containing a transition element423/213.5, Group VIII element502/302, Of lanthanide series (i.e., atomic number 57 to 71 inclusive)502/525PEROVSKITEExaminersPrimary: Shine, W. J.Attorney, Agent or FirmInternational ClassesB01D 53/86 (20060101)B01J 23/00 (20060101) B01D 53/94 (20060101) B01J 23/54 (20060101) B01J 23/89 (20060101) B01J 23/76 (20060101) AbstractCatalytic activity of metal oxides is enhanced through application of the metal oxide to a second metal oxide having a perovskite crystal structure. |
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