Patent 4804794 Issued on February 14, 1989. Estimated Expiration Date: July 13, 2007. 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.
585/12, Plural polymers or copolymer of specified olefins525/323, Block copolymer derived from propylene526/169.2, Transition metal is vanadium526/348, From hydrocarbon585/350, ALICYCLIC COMPOUND SYNTHESIS585/352, Adamantane or derivative585/517, Plural serial polymerization stages585/522, Al trialkyl585/523Transition metal-containing