Terpolymers of ethylene, their preparation and their use as additives for mineral oil distillates
Patent 5789510 Issued on August 4, 1998. Estimated Expiration Date: 
May 19, 2017. 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.
May 19, 2017. 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 3388977 Oil compositions containing oil-soluble, oxidatively and mechanically degraded ethylene copolymers Patent #: 4372863 InventorsAssigneeApplicationNo. 859820 filed on 05/19/1997US Classes:526/281, Bridged monomer526/330, Interpolymer of an ester derived from ethylenically unsaturated alcohol, e.g., interpolymer of vinyl acetate, etc.526/331, Interpolymerized with hydrocarbon monomer526/348From hydrocarbonExaminersPrimary: Zitomer, FredAttorney, Agent or FirmForeign Patent References
International ClassesC08F 232/08C08F 218/08 C08F 210/02 Foreign Application Priority Data1996-05-18 DEAbstractTerpolymers obtained by copolymerization of ethylene, a vinyl ester of at least one aliphatic monocarboxylic acid of 2 to 20 carbon atoms in the molecule and bicyclo2.2.1!hept-2-ene (also referred to as norbornene) or its derivatives, a process for their preparation and their use as additives for mineral oils and mineral oil distillates.Other References
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