Patents by Inventor Semyon Kukes

Semyon Kukes has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Olefin disproportionation and catalyst therefor
    Patent number: 4568788
    Abstract: An improved olefin disproportionation catalyst produced by contacting an inorganic refractory oxide containing a catalytic amount of molybdenum oxide with a promoting amount of at least one elemental metal selected from the group consisting of barium and magnesium.
    Type: Grant
    Filed: November 17, 1980
    Date of Patent: February 4, 1986
    Assignee: Phillips Petroleum Company
    Inventors: Semyon Kukes, Robert L. Banks
  • Olefin disproportionation and catalyst therefore
    Patent number: 4487986
    Abstract: An improved olefin disproportionation catalyst produced by contacting (a) molybdenum or tungsten oxide supported on inorganic refractory oxide, and (b) a metal dithionite.
    Type: Grant
    Filed: October 9, 1980
    Date of Patent: December 11, 1984
    Assignee: Phillips Petroleum Company
    Inventor: Semyon Kukes
  • Demetallization of hydrocarbon containing feed streams
    Patent number: 4450068
    Abstract: Metals contained in a hydrocarbon containing feed stream are removed by contacting the hydrocarbon containing feed stream under suitable demetallization conditions with hydrogen and a catalyst composition comprising zirconium phosphate and a metal phosphate where the metal is selected from the group consisting of nickel, iron, vanadium and cobalt. The life and activity of the catalyst composition may be increased by introducing a decomposable metal compound selected from the group consisting of the metals of Group V-B, Group VI-B, Group VII-B and Group VIII of the Periodic Table into the hydrocarbon containing feed stream prior to contacting the hydrocarbon containing feed stream with the catalyst composition.
    Type: Grant
    Filed: December 20, 1982
    Date of Patent: May 22, 1984
    Assignee: Phillips Petroleum Company
    Inventor: Semyon Kukes
  • Method for reducing carbon formation in a thermal cracking process
    Patent number: 4410418
    Abstract: The formation of carbon on metals exposed to hydrocarbons in a thermal cracking process is reduced by contacting such metals with a halogen containing silicon compound selected from the group consisting of halogen containing silanes, halogen containing disilanes, and halogen containing siloxanes. After the metals are contacted with the halogen containing silicon compound, the halogen containing silicon compound is converted to silicon dioxide to form a protective coating on the metals. This protective coating substantially reduces the formation of carbon on metals exposed to hydrocarbons in a thermal cracking process.
    Type: Grant
    Filed: March 30, 1982
    Date of Patent: October 18, 1983
    Assignee: Phillips Petroleum Company
    Inventors: Semyon Kukes, Jesse R. Harris, Randall A. Porter, Larry E. Reed
  • Isomerization process
    Patent number: 4409418
    Abstract: An aliphatic mono-olefin e.g. butene-2, is isomerized in the presence of a catalyst comprising essentially zirconium phosphate and at least one of chromium and thorium to produce the corresponding terminal olefin selectively.
    Type: Grant
    Filed: July 7, 1982
    Date of Patent: October 11, 1983
    Assignee: Phillips Petroleum Company
    Inventors: Marvin M. Johnson, Gerhard P. Nowack, Semyon Kukes
  • Isomerization process
    Patent number: 4394255
    Abstract: An aliphatic mono-olefin e.g. butene-2 is isomerized in the presence of a catalyst comprising zirconium phosphate and zirconium phosphate prepared from an aryl phosphonic acid to produce a corresponding terminal olefin selectively.
    Type: Grant
    Filed: July 7, 1982
    Date of Patent: July 19, 1983
    Assignee: Phillips Petroleum Company
    Inventors: Semyon Kukes, Gerhard P. Nowack, Marvin M. Johnson
  • Olefin disproportionation and catalyst therefor
    Patent number: 4368141
    Abstract: A novel disproportionation catalyst comprising the product resulting from the combination of elemental sulfur and a disproportionation catalyst consisting essentially of a refractory oxide containing molybdenum oxide or tungsten oxide.
    Type: Grant
    Filed: June 24, 1981
    Date of Patent: January 11, 1983
    Assignee: Phillips Petroleum Company
    Inventor: Semyon Kukes