Patents by Inventor John R. Sanderson

John R. Sanderson 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).

  • Patent number: 5171909
    Abstract: A process is disclosed for preparing synthetic lubricant base stocks. Synthetic lubricant base stocks may be prepared in good yield by oligomerizing long-chain olefins using certain acidic calcium montmorillonite clay catalysts. When long-chain vinylidene olefin and long-chain alpha- and/or internal-olefin are co-oligomerized, a synthetic lubricant base stock having a lower pour point is obtained.
    Type: Grant
    Filed: September 4, 1990
    Date of Patent: December 15, 1992
    Assignee: Texaco Chemical Company
    Inventors: John R. Sanderson, Edward T. Marquis
  • Patent number: 5171904
    Abstract: Synthetic lubricant base stocks having a low pour point are disclosed. These synthetic lubricant base stocks comprise a mixture of (1) oligomers prepared from a linear olefin having from 10 to 24 carbon atoms; and (2) alkylated decalin having an alkyl group containing from 10 to 24 carbon atoms. These synthetic lubricant base stocks may be prepared by hydrogenating the co-reaction products of a linear olefin having from 10 to 24 carbon atoms and naphthalene.
    Type: Grant
    Filed: May 31, 1990
    Date of Patent: December 15, 1992
    Assignee: Texaco Chemical Company
    Inventors: John R. Sanderson, Edward T. Marquis
  • Patent number: 5169550
    Abstract: Synthetic lubricant base stocks having an increased viscosity are disclosed. These synthetic lubricant base stocks comprise a mixture of (1) oligomers prepared from a linear olefin having from 10 to 24 carbon atoms; and (2) alkylated cyclohexanol having an alkyl group containing from 10 to 24 carbon atoms. These synthetic lubricant base stocks may be prepared by hydrogenating the co-reaction products of a linear olefin having from 10 to 24 carbon atoms and phenol.
    Type: Grant
    Filed: June 6, 1990
    Date of Patent: December 8, 1992
    Assignee: Texaco Chemical Company
    Inventors: John R. Sanderson, Edward T. Marquis
  • Patent number: 5162592
    Abstract: Disclosed is an improved process for preparing methyl t-butyl ether in one step which comprises reacting tertiary butanol and methanol in the presence of a catalyst comprising a zeolite modified with a metal selected from the group consisting of Groups IB, VB, VIB, VIIB or VIII of the Periodic Table at a temperature of about 20.degree. C. to 250.degree. C. and atmospheric pressure to about 1000 psig, wherein when the temperature is in the operating range above about 160.degree. C., the product comprises a two-phase mix of an isobutylene-MTBE product-rich phase and a heavier aqueous methanol-rich phase.
    Type: Grant
    Filed: November 25, 1991
    Date of Patent: November 10, 1992
    Assignee: Texaco Chemical Company
    Inventors: John F. Knifton, John R. Sanderson, Peishing E. Dai
  • Patent number: 5159122
    Abstract: Peroxides such as di-tert-butyl peroxide, present in a methyl-tert-butyl ether recycle stream, may be removed by bringing the recycle stream into contact with an acid treated clay. The peroxides are decomposed to tert-butyl alcohol (main product) plus minor amounts of acetone and methanol. Since the recycle stream consists mainly of tert-butyl alcohol and methanol, methyl-tert-butyl ether is also formed in significant quantities. Isobutylene is also formed by dehydration of the tert-butyl alcohol.
    Type: Grant
    Filed: February 10, 1992
    Date of Patent: October 27, 1992
    Assignee: Texaco Chemical Company
    Inventors: John R. Sanderson, John F. Knifton, Neal J. Grice
  • Patent number: 5151530
    Abstract: The distillation product fraction obtained from an isobutane oxidation reaction product after the removal of unreacted isobutane will contain tertiary butyl hydroperoxide, tertiary butyl alcohol and carboxylic acid contaminants such as formic acid, acetic acid and isobutyric acid. It has been discovered that when the distillation product fraction is treated with about 1/2 to 1 equivalents of calcium oxide and/or calcium hydroxide based on the carboxylic acid content of the distillate product fraction, a portion of the carboxylic acid contaminants will precipitate thus partially purifying the distillation product fraction so that, thereafter, molybdenum precipitation will be substantially inhibited when the thus-treated distillation product fraction is used as a feedstock for an epoxidation reaction wherein tertiary butyl hydroperoxide is reacted with an olefin in the presence of a soluble molybdenum catalyst to provide an olefin epoxide and additional tertiary butyl hydroperoxide.
    Type: Grant
    Filed: September 25, 1991
    Date of Patent: September 29, 1992
    Assignee: Texaco Chemical Company
    Inventors: Edward T. Marquis, John R. Sanderson, Robert A. Meyer
  • Patent number: 5146030
    Abstract: An improved process is disclosed for preparing synthetic lubricant base stocks. Synthetic lubricant base stocks are prepared in good yield by oligomerizing linear olefins using cation-exchangeable layered clays that have been treated with a non-halogenated titanium salt or non-halogenated zirconium salt.
    Type: Grant
    Filed: July 22, 1991
    Date of Patent: September 8, 1992
    Assignee: Texaco Chemical Company
    Inventors: John R. Sanderson, John F. Knifton, Edward T. Marquis
  • Patent number: 5146023
    Abstract: A process is disclosed for preparing synthetic lubricant base stocks having improved properties. Synthetic lubricant base stocks may be prepared in good yield by oligomerizing linear olefins using certain acidic calcium montmorillonite clay catalysts. When a mixture of alpha and internal-olefins having up to 50 wt. % internal-olefin is used, and the oligomers prepared therefrom are hydrogenated, a synthetic lubricant base stock having a higher viscosity index and a lower pour point is prepared.
    Type: Grant
    Filed: April 30, 1990
    Date of Patent: September 8, 1992
    Assignee: Texaco Chemical Company
    Inventors: John R. Sanderson, Edward T. Marquis
  • Patent number: 5138095
    Abstract: Bisulfite addition products, which exhibit surface active properties, prepared by reacting a ketone-terminated polyoxyalkylene compound, such as a diketone of a polyoxypropylene glycol, a monoketone of a polyoxyalkylene alcohol, etc. with an ammonium or alkali metal bisulfite are disclosed.
    Type: Grant
    Filed: October 9, 1990
    Date of Patent: August 11, 1992
    Assignee: Texaco Chemical Company
    Inventors: George P. Speranza, John R. Sanderson
  • Patent number: 5132465
    Abstract: Primary alcohols may be oxidized to the corresponding aldehydes using non-toxic oxidizing agents such as tert-butyl hydroperoxide (TBHP) in the presence of a transition metal phthalocyanine catalyst. Representative catalysts include ferrous phthalocyanine and chloroferric phthalocyanine. Under some conditions, 1,1-dialkoxyalkanes may be co-produced with the aldehydes. 1,1-Dialkoxyalkanes are protected aldehydes and find utility in solvents.
    Type: Grant
    Filed: April 23, 1991
    Date of Patent: July 21, 1992
    Assignee: Texaco Chemical Company
    Inventors: John R. Sanderson, Edward T. Marquis
  • Patent number: 5120891
    Abstract: An improved process is disclosed for preparing synthetic lubricant base stocks. Synthetic lubricant base stocks are prepared in good yield by oligomerizing linear olefins using a catalyst comprising a super-dealuminated Y-zeolite.
    Type: Grant
    Filed: September 26, 1990
    Date of Patent: June 9, 1992
    Assignee: Texaco Chemical Company
    Inventors: John R. Sanderson, Pei S. E. Dai, John F. Knifton
  • Patent number: 5120879
    Abstract: Polyoxypropylene diketones are prepared by initially adding predetermined amounts of a mono- or dicarboxylic acid having a pK<4.5 and a water solubility at 25.degree. C. of >1%, a polyoxypropylene glycol and, optionally, water, to a reaction zone and thereafter adding an aqueous solution of an alkali metal or an alkaline earth metal hypochlorite oxidant to the reaction zone with agitation under reaction conditions including a temperature of about 10.degree. to about 50.degree. C., a pressure of about 0 to 1,000 psig. and a total reaction time of about 0.5 to 20 hours, whereby said polyoxypropylene glycol will be substantially selectively converted to the said corresponding diketone, and recovering said diketone.
    Type: Grant
    Filed: May 30, 1991
    Date of Patent: June 9, 1992
    Assignee: Texaco Chemical Company
    Inventors: John R. Sanderson, Edward T. Marquis
  • Patent number: 5107067
    Abstract: Complexes made by reacting an ammonium-containing molybdenum compound with an alkylene glycol in the presence of water at an elevated temperature are described. Mild stripping of the water subsequent to complex formation is preferred. If some of the water is left in the complex, it may serve as an excellent olefin epoxidation catalyst. The ratio of moles of alkylene glycol to gram atoms of molybdenum in the complex forming reaction ranges from 7:1 to 20:1. Ethylene glycol and propylene glycol are the particularly preferred alkylene glycols.
    Type: Grant
    Filed: May 12, 1989
    Date of Patent: April 21, 1992
    Assignee: Texaco Inc.
    Inventors: Edward T. Marquis, Kenneth P. Keating, John R. Sanderson, William A. Smith
  • Patent number: 5105037
    Abstract: A process is disclosed for preparing synthetic lubricant base stocks having improved properties. Synthetic lubricant base stocks may be prepared in good yield by oligomerizing linear olefins using certain acidic calcium montmorillonite clay catalysts. When a mixture of propylene and long-chain alpha-olefin is used, in which up to about 20 wt. % of the mixture comprises propylene, and the co-oligomers prepared therefrom are hydrogenated, a synthetic lubricant base stock having a lower pour point and a higher viscosity index is prepared.
    Type: Grant
    Filed: May 14, 1990
    Date of Patent: April 14, 1992
    Assignee: Texaco Chemical Company
    Inventors: John R. Sanderson, Edward T. Marquis
  • Patent number: 5099073
    Abstract: A process for the conversion of a polyoxypropylene glycol to the corresponding diketone derivative by dehydrogenation in the presence of an unsupported nickel, copper, chromia catalyst or a Raney nickel catalyst.
    Type: Grant
    Filed: February 11, 1991
    Date of Patent: March 24, 1992
    Assignee: Texaco Chemical Company
    Inventors: John R. Sanderson, John M. Larkin
  • Patent number: 5097085
    Abstract: An improved process is disclosed for preparing synthetic lubricant base stocks. Synthetic lubricant base stocks are prepared in good yield by oligomerizing linear olefins using montmorillonite clays which have a phosphorous-containing acid deposited thereon.
    Type: Grant
    Filed: July 12, 1990
    Date of Patent: March 17, 1992
    Assignee: Texaco Chemical Company
    Inventors: John R. Sanderson, John F. Knifton
  • Patent number: 5097087
    Abstract: A process is disclosed for preparing synthetic lubricant base stocks having a high dimer to trimer ratio from long-chain olefins. These synthetic lubricant base stocks are prepared in good yield by dimerizing linear olefins using a catalyst comprising a fluorocarbonsulfonic acid polymer on an inert support.
    Type: Grant
    Filed: October 15, 1990
    Date of Patent: March 17, 1992
    Assignee: Texaco Chemical Company
    Inventors: John R. Sanderson, Yu-Hwa Sheu
  • Patent number: 5093506
    Abstract: The distillation product fraction obtained from an isobutane oxidation reaction product after the removal of unreacted isobutane will contain tertiary butyl hydroperoxide, tertiary butyl alcohol and carboxylic acid contaminants such as formic acid, acetic acid and isobutyric acid. It has been discovered that when the distillation product fraction is treated with about 1/2 to 1 equivalents of calcium oxide and/or calcium hydroxide based on the carboxylic acid content of the distillate product fraction, a portion of the carboxylic acid contaminants will precipitate thus partially purifying the distillation product fraction so that, thereafter, molybdenum precipitation will be substantially inhibited when the thus-treated distillation product fraction is used as a feedstock for an epoxidation reaction wherein tertiary butyl hydroperoxide is reacted with an olefin in the presence of a soluble molybdenum catalyst to provide an olefin epoxide and additional tertiary butyl hydroperoxide.
    Type: Grant
    Filed: August 30, 1989
    Date of Patent: March 3, 1992
    Assignee: Texaco Chemical Company
    Inventors: Edward T. Marquis, John R. Sanderson, Robert A. Meyer
  • Patent number: 5085793
    Abstract: A corrosion-inhibited antifreeze composition is disclosed. Specifically, the antifreeze composition comprises a major portion of a liquid alcohol freezing point depressant and a minor portion of at least one hydroxyl-substituted aromatic carboxylic acid having the hydroxyl radical disposed proximate to the carboxylic radical. The above described acid is employed as a corrosion inhibitor. Other conventional corrosion inhibitors may be employed in conjunction with the acids.In another embodiment, the present invention relates to a process for inhibitig the corrosion of metals present in the cooling system of an internal combustion engine which comprises intimately contacting the metal surface to be inhibited against corrosion with the antifreeze composition described above. Most preferably, the target substrate is high lead solder.
    Type: Grant
    Filed: November 19, 1990
    Date of Patent: February 4, 1992
    Assignee: Texaco Chemical Company
    Inventors: Jeffrey M. Burns, John R. Sanderson, John M. Larkin, David R. McCoy
  • Patent number: 5072060
    Abstract: A method for the preparation of branched primary alcohols comprises reacting a normal alkane with formaldehyde in non-aqueous media in the presence of a free radical initiator. The reaction involves the preferential addition of formaldeyhde to internal carbon atoms of the normal alkane, resulting in a branched primary alcohol containing one carbon more than the alkane reactant. The product alcohols are obtained as mixtures of positional isomers.
    Type: Grant
    Filed: October 1, 1990
    Date of Patent: December 10, 1991
    Assignee: Texaco Chemical Company
    Inventors: John R. Sanderson, Edward T. Marquis