Same Catalyst, Solvent, Or Component Thereof Used In Both Syntheses Patents (Class 585/312)
  • Patent number: 4499326
    Abstract: A process to convert a normal butene to isomerized products comprises contacting such alkene under conversion conditions with a hydrogen form AMS-1B borosilicate catalyst composition at a conversion temperature below 250.degree. C.
    Type: Grant
    Filed: September 24, 1982
    Date of Patent: February 12, 1985
    Assignee: Standard Oil Company (Indiana)
    Inventor: John L. Melquist
  • Patent number: 4483760
    Abstract: A process is provided for catalytically dewaxing a middle distillate with a ZSM-5 type catalyst. In this process the olefinic by-product is separated and catalytically converted to additional fuel oil and gasoline of good quality.
    Type: Grant
    Filed: June 30, 1983
    Date of Patent: November 20, 1984
    Assignee: Mobil Oil Corporation
    Inventors: Samuel A. Tabak, Robert E. Holland
  • Patent number: 4479023
    Abstract: A process for the oligomerization of olefin fractions where boron trifluoride in the gas phase is contacted with such a fraction, in the absence of a catalyst carrier, under such conditions and for such a length of time that the isobutene and/or butadiene present will polymerize; the boron trifluoride and the isobutene and/or butadiene polymers obtained are then conventionally separated from said fraction; and the olefins of the fraction so purified are oligomerized in the presence of a boron trifluoride catalyst comprising a catalyst carrier.
    Type: Grant
    Filed: December 8, 1983
    Date of Patent: October 23, 1984
    Assignee: Compagnie Francaise de Raffinage
    Inventors: Claude Marty, Philippe Engelhard
  • Patent number: 4469912
    Abstract: A process is provided whereby the dimer fraction obtained from a boron trifluoride catalyzed oligomerization process is reacted with an .alpha.-olefin in the presence of a phosphoric acid-modified boron trifluoride catalyst to produce higher oligomeric products typically having viscosities (210.degree. F.) in the 4 to 8 centistoke range.
    Type: Grant
    Filed: August 15, 1983
    Date of Patent: September 4, 1984
    Assignee: National Distillers and Chemical Corporation
    Inventors: Charles W. Blewett, Stephen W. Turner
  • Patent number: 4433188
    Abstract: A process for the preparation of lower olefins from methanol or dimethyl ether by catalytic conversion at from 300.degree. to 550.degree. C. in two stages over borosilicate zeolites, wherein C.sub.2 -C.sub.4 -olefins and C.sub.1 -C.sub.4 -paraffins are removed after the first reaction stage, the C.sub.5.sup.+ hydrocarbons are passed to the second reaction stage, the aromatics are removed from the reaction product of the second stage and the remaining reaction products are recycled. The advantage of this process is an improvement in the yield of olefins.
    Type: Grant
    Filed: September 1, 1982
    Date of Patent: February 21, 1984
    Assignee: BASF Aktiengesellschaft
    Inventors: Wolfgang Hoelderich, Wolf D. Mross, Matthias Schwarzmann
  • Patent number: 4433185
    Abstract: An improved process for converting an olefinic feedstock containing ethene and C.sub.3 .sup.+ alkenes to produce a heavy hydrocarbon product rich in distillate by contacting the feedstock with an oligomerization catalyst bed, at elevated pressure and temperature conditions in operating mode favorable to formation of heavy distillate product by selective conversion of C.sub.3 .sup.+ alkenes. The improvement comprises providing a distillate mode effluent stream containing substantially unconverted ethene in vapor phase and condensed distillate, and recovering unconverted ethene-rich hydrocarbon vapor from the distillate mode effluent stream and further converting such to olefinic gasoline in a second oligomerization catalyst bed at reduced moderate pressure and elevated temperature conditions in operating mode favorable to formation of C.sub.6 .sup.+ olefinic gasoline. At least a portion of the olefinic gasoline is recycled for conversion with the feedstock in the distillate mode catalyst bed.
    Type: Grant
    Filed: April 4, 1983
    Date of Patent: February 21, 1984
    Assignee: Mobil Oil Corporation
    Inventor: Samuel A. Tabak
  • Patent number: 4413153
    Abstract: The synthetic fuel slate of products derived from wet natural gas is expanded to include both aromatic gasoline from the methane rich dry gas portion via steam reforming to synthesis gas, the production of methanol from synthesis gas and the conversion of methanol to gasoline over a ZSM-5 type catalyst, plus high quality jet fuel, diesel fuel and lubricating oils from the C.sub.3.sup.+ paraffin rich fraction of wet natural gas via thermal cracking of the paraffin rich fraction to olefins and the conversion of the olefins to gasoline and distillate boiling range hydrocarbons over a ZSM-5 type catalyst. Methane separated from the thermal cracked product can be mixed with the dry gas fraction for synthesis gas production and a portion of the hydrogen from the synthesis gas may be used to hydrogenate the distillate fraction from the catalytic conversion of the thermal cracked product.
    Type: Grant
    Filed: October 22, 1982
    Date of Patent: November 1, 1983
    Assignee: Mobil Oil Corporation
    Inventors: William E. Garwood, Wooyoung Lee
  • Patent number: 4263465
    Abstract: A low viscosity synthetic lubricant is prepared by polymerizing 1-butene to an oligomer containing a number average of about 8 to 18 carbon atoms and copolymerizing the oligomer with an alpha-monoolefin having 8 to 18 carbon atoms to produce a copolymer having an average of about 20 to 40 carbon atoms. Both polymerization reactions are catalyzed by a combination of boron trifluoride and a proton donor promoter. The synthetic lubricant is preferably stripped to remove lower boiling components, such as oligomers having 20 carbon atoms or less, and optionally hydrogenated for improved stability.
    Type: Grant
    Filed: September 10, 1979
    Date of Patent: April 21, 1981
    Assignee: Atlantic Richfield Company
    Inventors: Ming N. Sheng, Mary T. Arnold