Process for preparing short chain alkyl aromatic compounds
Patent 4992606 Issued on February 12, 1991. Estimated Expiration Date: 
January 25, 2010. 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.
January 25, 2010. 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 2904607 3251897 3631120 3641177 3751504 3751506 3755483 Production of isopropylbenzene Crystalline aluminosilicate PSH-3 and its process of preparation Alkylation of aromatic hydrocarbons InventorsAssigneeApplicationNo. 469998 filed on 01/25/1990US Classes:585/467Using metal, metal oxide, or hydroxide catalystExaminersPrimary: McFarlane, AnthonyAttorney, Agent or FirmForeign Patent References
International ClassC07C 002/66AbstractRelatively short chain alkyl aromatic compounds are prepared by alkylating an alkylatable aromatic compound with a relatively short chain alkylating agent under alkylation reaction conditions in the presence of catalyst comprising a synthetic porous crystalline material characterized by an X-ray diffraction pattern including interplanar d-spacings at 12.36&#b1;0.4, 11.03&#b1;0.2, 8.83&#b1;0.14, 6.18&#b1;0.12, 6.00&#b1;0.10, 4.06&#b1;0.07, 3.91&#b1;0.07 and 3.42&#b1;0.06 Angstroms. |
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