Oxidation and oxydehydrogenation of hydrocarbons in the fluidized bed
Patent 5866737 Issued on February 2, 1999. Estimated Expiration Date: 
January 7, 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.
January 7, 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 3842132 Dehydrogenation process Hydrocarbon dehydrogenation Patent #: 4737595 InventorsAssigneeApplicationNo. 779840 filed on 01/07/1997US Classes:585/443, Using elemental O585/380, Using H acceptor585/444, Using metal oxide, sulfide, or salt585/445, Cr-, Mo-, or W-containing585/617, Using nonhydrocarbon acceptor585/621, Elemental O acceptor585/624, With metal oxide or hydroxide extraneous agent585/625, Ferrite585/626, Oxide of As, Bi, or Sb585/629, Transition metal oxide or sulfide agent585/630, Cr, Mo, or W585/631, With other transition metal585/658, Elemental O or S acceptor with extraneous nonhydrocarbon agent, e.g., catalyst, etc.585/661, Using transition metal oxide, sulfide, or salt585/662, Cr, Mo, or W585/663, With other transition metal585/943Synthesis from methane or inorganic carbon source, e.g., coal, etc.ExaminersPrimary: Caldarola, GlennAssistant: Dang, Hoang C. Attorney, Agent or FirmForeign Patent References
International ClassesC07C 005/42C07C 005/09 C07C 005/327 C07C 005/333 Foreign Application Priority Data1996-01-19 DEAbstractA process for the oxidation and oxidative dehydrogenation of hydrocarbons, in particular ethylbenzene, to form corresponding oxidized or olefinically unsaturated compounds, in particular styrene, over an oxygen-conferring, oxygen-regenerable catalyst involving a working period, a time-displaced regenerating period and at least one intermediate rinsing period comprises effecting a partial regeneration during the working period by time-displaced addition of a substoichiometric amount of oxygen.Other References
Field of SearchBy dehydrogenationUsing elemental O Using metal oxide, sulfide, or salt Cr-, Mo-, or W-containing Using H acceptor Plural O-containing organic compounds Elemental O acceptor With metal oxide or hydroxide extraneous agent Ferrite Oxide of As, Bi, or Sb Transition metal oxide or sulfide agent Cr, Mo, or W With other transition metal Elemental O or S acceptor with extraneous nonhydrocarbon agent, e.g., catalyst, etc. Using transition metal oxide, sulfide, or salt Cr, Mo, or W With other transition metal Synthesis from methane or inorganic carbon source, e.g., coal, etc. |
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