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).

  • One step synthesis of methyl t-butyl ether from t-butanol using hydrogen fluoride-modified zeolite catalysts
    Patent number: 5300697
    Abstract: A method is disclosed wherein t-butanol is reacted with methanol in a reaction zone in one step to provide methyl tert-butyl ether and the improvement of accomplishing the reaction which comprises:a. Using a catalyst consisting of a crystalline aluminosilicate faujasite Y-type zeolite which has been treated with hydrogen fluoride;b. continuously contacting said t-butanol and methanol in a molar amount of about 0.1 to 10 moles of methanol per mole of t-butanol with said catalyst at a temperature of about 20.degree. C. to about 250.degree. C. and a pressure of about atmospheric to about 1000 psig to obtain the methyl tert-butyl ether product wherein the product mix separates into an isobutylene-MTBE product-rich phase and a heavier aqueous methanol phase.
    Type: Grant
    Filed: December 7, 1992
    Date of Patent: April 5, 1994
    Assignee: Texaco Chemical Company
    Inventors: John F. Knifton, John R. Sanderson
  • Process for producing neutralized sulfurized alkylphenate lubricant detergent additive
    Patent number: 5292443
    Abstract: A non-diluent oil process for producing a fluid sulfurized/neutralized phenate comprising:a) oligomerizing a (C.sub.6 -C.sub.20) olefin;b) alkylating the oligomerized olefin to produce a oligomerized (C.sub.6 -C.sub.20) alkyl phenol;c) neutralizing and sulfurizing the oligomerized (C.sub.6 -C.sub.20) alkyl phenol to produce a fluid neutralized/sulfurized phenate product; andd) recovering said fluid phenate product.
    Type: Grant
    Filed: August 21, 1992
    Date of Patent: March 8, 1994
    Assignee: Texaco Inc.
    Inventors: Carl K. Esche, Jr., Gregory P. Anderson, John R. Sanderson
  • Process for manufacturing alkylene carbonates using metal phthalocyanine catalysts
    Patent number: 5283356
    Abstract: A method for the manufacture of alkylene carbonates is disclosed. Alkylene carbonates are prepared by reacting alkylene oxides and carbon dioxide in the presence of a metal phthalocyanine catalyst.
    Type: Grant
    Filed: August 3, 1992
    Date of Patent: February 1, 1994
    Assignee: Texaco Chemical Company
    Inventors: Edward T. Marquis, John R. Sanderson
  • Catalytic removal of peroxide contaminants from tertiary butyl alcohol
    Patent number: 5254759
    Abstract: Tertiary butyl alcohol contaminated with residual amounts of peroxide contaminants such as tertiary butyl hydroperoxide, ditertiary butyl peroxide, allyl tertiary butyl peroxide, etc., (which may be prepared, for example, by catalytically reacting propylene with tertiary butyl hydroperoxide to form propylene oxide and tertiary butyl alcohol) can be effectively catalytically treated under mild conversion conditions including a temperature of about 100.degree. to about 300.degree. C. with a catalyst comprising ferrous oxide to substantially completely decompose the peroxide contaminants to thereby provide a treated tertiary butyl alcohol product substantially free from contaminating quantities of such peroxides.
    Type: Grant
    Filed: June 12, 1992
    Date of Patent: October 19, 1993
    Assignee: Texaco Chemical Company
    Inventors: John R. Sanderson, John F. Knifton, Melvin E. Stockton
  • Removal of peroxide contaminants from tertiary butyl alcohol
    Patent number: 5243101
    Abstract: Motor-fuel tertiary butyl alcohol contaminated with residual amounts of tertiary butyl hydroperoxide, ditertiary butyl peroxide and allyl tertiary butyl peroxide (which is prepared, for example, by reacting propylene with tertiary butyl hydroperoxide to form propylene oxide and a motor fuel grade tertiary butyl alcohol reaction product) can be effectively catalytically treated under mild conversion conditions including a temperature of about 160.degree. to 200.degree. C. with a catalyst consisting essentially of vitrified silica to substantially completely decompose the peroxide contaminants to thereby provide a treated tertiary butyl alcohol product substantially free from contaminating quantities of such peroxides.
    Type: Grant
    Filed: June 12, 1992
    Date of Patent: September 7, 1993
    Assignee: Texaco Chemical Company
    Inventors: John R. Sanderson, Yu-Hwa E. Sheu, Michael W. Peters
  • Process for oligomerizing olefins using sulfate-activated molecular sieves
    Patent number: 5243118
    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 sulfate-activated molecular sieves as catalyst.
    Type: Grant
    Filed: December 9, 1991
    Date of Patent: September 7, 1993
    Assignee: Texaco Chemical Company
    Inventors: John R. Sanderson, John F. Knifton, Edward T. Marquis
  • Preparation of tertiary butyl alcohol using promoted cycloalkenyl iron catalyst
    Patent number: 5243100
    Abstract: A method for preparing tertiary butyl alcohol wherein a solution of a tertiary butyl hydroperoxide feedstock comprising a solution of tertiary butyl hydroperoxide in tertiary butyl alcohol is charged to a hydroperoxide decomposition reaction zone containing a catalytically effective amount of a hydroperoxide decomposition catalyst consisting essentially of a mixture of a soluble cycloalkenyl iron compound with a soluble ruthenium compound, and is brought into contact with the catalyst in liquid phase with agitation under hydroperoxide decomposition reaction conditions to convert the tertiary butyl hydroperoxide to decomposition products, principally tertiary butyl alcohol.
    Type: Grant
    Filed: September 8, 1992
    Date of Patent: September 7, 1993
    Assignee: Texaco Chemical Company
    Inventors: John R. Sanderson, John F. Knifton
  • Use of superconductor type catalysts in the preparation of tertiary butyl alcohol from tertiary butyl hydroperoxide
    Patent number: 5236893
    Abstract: A method for preparing tertiary butyl alcohol wherein a solution of a tertiary butyl hydroperoxide in tertiary butyl alcohol is charged to a hydroperoxide decomposition reaction zone containing a catalytically effective amount of a hydroperoxide decomposition catalyst consisting essentially of a superconductor such as a superconductor consisting essentially of the oxides of strontium, calcium, copper and bismuth and is brought into contact with the superconductor type catalyst in liquid phase with agitation under hydroperoxide decomposition reaction conditions to convert the tertiary butyl hydroperoxide to decomposition products, principally tertiary butyl alcohol.
    Type: Grant
    Filed: September 8, 1992
    Date of Patent: August 17, 1993
    Assignee: Texaco Chemical Company
    Inventors: John R. Sanderson, Melvin E. Stockton
  • Process for preparing oligomers having low unsaturation
    Patent number: 5233116
    Abstract: Synthetic lubricant base stocks may be prepared in good yield by oligomerizing linear olefin monomers using certain acidic calcium montmorillonite clay catalysts. When the oligomers are prepared at a temperature greater than about 200.degree. C., and any unreacted linear olefin monomer is removed, oligomers having an iodine value less than about 3 mg/g are obtained. An even lower iodine value is obtained when a hydrocarbon possessing a tertiary hydrogen is mixed with the linear olefin feed, and the mixture is contacted with the clay at a temperature greater than about 200.degree. C. Little or no hydrogenation may be required of oligomers prepared in this manner to obtain base stocks suitable for use as synthetic lubricants.
    Type: Grant
    Filed: May 24, 1991
    Date of Patent: August 3, 1993
    Assignee: Texaco Chemical Company
    Inventors: John R. Sanderson, John F. Knifton, Edward T. Marquis
  • One step synthesis of methyl t-butyl ether from t-butanol using fluorophosphoric acid-modified zeolite catalysts
    Patent number: 5220078
    Abstract: A method is disclosed wherein t-butanol is reacted with methanol in a reaction zone in one step to provide methyl tert-butyl ether and the improvement in accomplishing the reaction which comprises:a. Using a catalyst consisting of a crystalline aluminosilicate faujasite Y-type zeolite which has been treated with a fluorophosphoric acid;b. continuously contacting said t-butanol and methanol in a molar amount of about 0.1 to 10 moles of methanol per mole of t-butanol with said catalyst at a temperature of about 20.degree. C. to about 250.degree. C. and a pressure of about atmospheric to about 1000 psig to obtain the methyl tert-butyl ether product.
    Type: Grant
    Filed: July 23, 1992
    Date of Patent: June 15, 1993
    Assignee: Texaco Chemical Company
    Inventors: John F. Knifton, John R. Sanderson
  • Decomposition of tertiary butyl hydroperoxide using cycloalkenyl iron catalyst
    Patent number: 5206424
    Abstract: A method for preparing tertiary butyl alcohol wherein a solution of a tertiary butyl hydroperoxide in tertiary butyl alcohol is charged to a hydroperoxide decomposition reaction zone containing a catalytically effective amount of a soluble iron hydroperoxide decomposition catalyst consisting essentially of a soluble cycloalkenyl iron compound and is brought into contact with the soluble cycloalkenyl iron compound in liquid phase with agitation under hydroperoxide decomposition reaction conditions to convert the tertiary butyl hydroperoxide to decomposition products, principally tertiary butyl alcohol.
    Type: Grant
    Filed: September 8, 1992
    Date of Patent: April 27, 1993
    Assignee: Texaco Chemical Company
    Inventors: John R. Sanderson, John F. Knifton
  • Synthetic lubricant base stocks by co-reaction of olefins and anisole compounds
    Patent number: 5202040
    Abstract: Synthetic lubricant base stocks having an increased viscosity are disclosed. These synthetic lubricant base stocks comprises a mixture of (1) oligomers prepared from a linear olefin having from 10 to 24 carbon atoms; and (2) alkylated anisole having an alkyl group containing from 10 to 24 carbon atoms. These synthetic lubricant base stocks may be prepared by co-reacting a linear olefin having from 10 to 24 carbon atoms and anisole. Optionally, the mixture of oligomers and alkylated anisoles may be hydrogenated, to prepare a mixture of reduced oligomers and alkylated methoxycyclohexanes.
    Type: Grant
    Filed: June 12, 1990
    Date of Patent: April 13, 1993
    Assignee: Texaco Chemical Company
    Inventors: John R. Sanderson, Edward T. Marquis
  • Process for oligomerizing olefins using halogenated phosphorous-containing acid on montmorillonite clay
    Patent number: 5191130
    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 halogenated phosphorous- containing acid deposited thereon.
    Type: Grant
    Filed: December 16, 1991
    Date of Patent: March 2, 1993
    Assignee: Texaco Chemical Company
    Inventors: John R. Sanderson, John F. Knifton
  • Process for oligomerizing olefins using sulfate-activated group IV oxides
    Patent number: 5191139
    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 sulfate-activated Group IV oxide particularly zirconium dioxide, as the catalyst.
    Type: Grant
    Filed: November 4, 1991
    Date of Patent: March 2, 1993
    Assignee: Texaco Chemical Company
    Inventors: John R. Sanderson, John F. Knifton, John M. Larkin
  • Catalytic removal of peroxide contaminants from a methanol-tertiary butyl alcohol recycle stream
    Patent number: 5185480
    Abstract: Methanol contaminated with residual amounts of peroxide contaminants such as tertiary butyl hydroperoxide, ditertiary butyl peroxide, allyl tertiary butyl peroxide, etc., can be effectively catalytically treated with a catalyst consisting essentially of titania-supported transition metals to substantially completely decompose the peroxide contaminants to thereby provide a treated methanol product substantially free from contaminating quantities of such peroxides.
    Type: Grant
    Filed: July 28, 1992
    Date of Patent: February 9, 1993
    Assignee: Texaco Chemical Company
    Inventors: John R. Sanderson, John F. Knifton
  • One step synthesis of methyl t-butyl ether from t-butanol using fluorophosphoric acid-modified clay catalysts
    Patent number: 5183947
    Abstract: A method is disclosed wherein t-butanol is reacted with methanol in a reaction zone in one step to provide methyl tert-butyl ether and the improvement of accomplishing the reaction which comprises:a. Using a catalyst comprising a montmorillonite clay treated with a fluorophosphoric acid,b. Continuously contacting said t-butanol and methanol in a molar amount of about 0.1 to 10 moles of methanol per mole of t-butanol with said catalyst at a temperature of about 20.degree. C. to about 250.degree. C. and a pressure of about atmospheric to about 1000 psig to obtain the methyl tert-butyl ether product.
    Type: Grant
    Filed: June 19, 1992
    Date of Patent: February 2, 1993
    Assignee: Texaco Chemical Company
    Inventors: John F. Knifton, John R. Sanderson
  • Process for oligomerizing olefins using an aluminum nitrate-treated acidic clay
    Patent number: 5180864
    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 certain acidic calcium montmorillonite clay catalysts which have aluminum nitrate deposited thereon.
    Type: Grant
    Filed: April 30, 1990
    Date of Patent: January 19, 1993
    Assignee: Texaco Chemical Company
    Inventors: John R. Sanderson, John F. Knifton
  • Process for co-reacting poly(isobutylene) and linear olefins to prepare synthetic lubricant base stocks having improved properties
    Patent number: 5180869
    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 montmorillonite clay catalysts. When a mixture of poly(isobutylene) and long-chain linear olefin, in which up to about 10 wt. % of the mixture is poly(isobutylene), is co-reacted in the presence of these catalysts, a synthetic lubricant base stock having a high viscosity and a high viscosity index is prepared.
    Type: Grant
    Filed: May 14, 1991
    Date of Patent: January 19, 1993
    Assignee: Texaco Chemical Company
    Inventors: John R. Sanderson, Edward T. Marquis
  • Process for preparing synthetic lubricant base stocks having improved viscosity from vinylcyclohexene and long-chain olefins
    Patent number: 5180866
    Abstract: A process for preparing synthetic lubricant base stocks having improved properties is disclosed. The process comprises co-reacting vinylcyclohexene and long-chain linear olefin in the presence of a Friedel-Crafts type catalyst, preferably anhydrous aluminum chloride.
    Type: Grant
    Filed: March 28, 1991
    Date of Patent: January 19, 1993
    Assignee: Texaco Chemical Company
    Inventors: John R. Sanderson, Wheeler C. Crawford, David R. McCoy
  • Process for manufacturing alkylene carbonates
    Patent number: 5179214
    Abstract: A method for the manufacture of alkylene carbonates is disclosed. Alkylene carbonates that are free of halogen contaminants are prepared by reacting alkylene oxides and carbon dioxide in the presence of a catalyst selected from the group consisting of cerous acetate, ceric ammonium nitrate, cerous nitrate hexahydrate, and ceric potassium nitrate.
    Type: Grant
    Filed: September 23, 1991
    Date of Patent: January 12, 1993
    Assignee: Texaco Chemical Company
    Inventors: Edward T. Marquis, John R. Sanderson