Process for oligomerizing olefins using halogen-free titanium salts or halogen-free zirconium salts on clays
Patent 5146030 Issued on September 8, 1992. Estimated Expiration Date: 
July 22, 2011. 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.
July 22, 2011. 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 ReferencesOligomerization process and catalysts therefor Oligomerization of olefins Oligomerization of olefins Process for oligomerizing light olefins or their mixtures Catalyst composition for oligomerization of olefins 1-Olefin polymer wax, and a process for the preparation thereof Process for oligomerizing light olefins Patent #: 5003125 InventorsAssigneeApplicationNo. 733794 filed on 07/22/1991US Classes:585/533, Al oxide, e.g., aluminosilicate, etc.502/84, And metal, metal oxide, or metal hydroxide585/520, Using extraneous nonhydrocarbon agent, e.g., catalyst, etc.585/530Catalyst containing inorganic metalExaminersPrimary: Pal, AsokAssistant: Achutamurthy, P. Attorney, Agent or FirmForeign Patent References
International ClassesC07C 002/08C07C 002/12 AbstractAn improved process is disclosed for preparing synthetic lubricant base stocks. Synthetic lubricant base stocks are prepared in good yield by oligomerizing linear olefins using cation-exchangeable layered clays that have been treated with a non-halogenated titanium salt or non-halogenated zirconium salt. |
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