Patents by Inventor John Ronald Sanderson

John Ronald 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: 6750374
    Abstract: A process for producing cyclohexane by benzene hydrogenation using a hydrogen source that contains impurities, such as carbon monoxide and/or light hydrocarbons, wherein a supported catalyst reduces benzene to cyclohexane and carbon monoxide to methane and water. Alkenes, such as ethylene, are also reduced to their alkane counterparts. Under the disclosed operating conditions, the process proceeds without deactivation of the catalyst, and without the formation of a significant amount of cracking products, such as methylcyclopentane.
    Type: Grant
    Filed: August 20, 2002
    Date of Patent: June 15, 2004
    Assignee: Huntsman Petrochemical Corporation
    Inventors: John Ronald Sanderson, Terry Lee Renken, Michael Wayne McKinney
  • Publication number: 20030114723
    Abstract: A process for producing cyclohexane by benzene hydrogenation using a hydrogen source that contains impurities, such as carbon monoxide and/or light hydrocarbons, wherein a supported catalyst reduces benzene to cyclohexane and carbon monoxide to methane and water. Alkenes, such as ethylene, are also reduced to their alkane counterparts. Under the disclosed operating conditions, the process proceeds without deactivation of the catalyst, and without the formation of a significant amount of cracking products, such as methylcyclopentane.
    Type: Application
    Filed: August 20, 2002
    Publication date: June 19, 2003
    Applicant: Huntsman Petrochemical Corporation
    Inventors: John Ronald Sanderson, Terry Lee Renken, Michael Wayne McKinney
  • Patent number: 6548726
    Abstract: A method for removing diethylhydroxylamine (DEHA) from butadiene streams that does not leave an excessive amount of residual contaminates in the isolated butadiene stream. The DEHA is removed from the butadiene streams by ion exchange resins, which efficiently remove DEHA from the butadiene streams without causing the accumulation of an excessive amount of residual contaminants. To prevent polymerization of the butadiene upon removal of the DEHA, tert-butylcatechol (TBC) may be added to the butadiene stream before or after DEHA removal. Fresh or spent ion exchange resins may be used. After removal from the butadiene stream, the isolated DEHA can then be easily concentrated, and disposed or recycled. A method for removing DEHA from hydrocarbon streams is also disclosed.
    Type: Grant
    Filed: September 26, 2000
    Date of Patent: April 15, 2003
    Assignee: Huntsman Petrochemical Corporation
    Inventors: John Ronald Sanderson, Andrew Reusser, Steve Michalicek
  • Patent number: 6133484
    Abstract: A tertiary butyl alcohol charge stock typically contaminated with from about 0.5 to about 2 wt. % of formates and peroxides, is passed through an oxygenates decomposition reactor containing a bed of a decomposition catalyst comprising rhodium, platinum, palladium or mixture thereof at a temperature of from about 100 to about 280C to decompose the peroxides and formates, and to dehydrate a portion of the tertiary butyl alcohol to form isobutylene and water to thereby form a non-corrosive tertiary butyl alcohol feedstock that is substantially free from formates that is suitable for reaction with methanol in a methyl tertiary butyl ether etherification reactor to form a non-corrosive methyl tertiary butyl ether etherification reaction product from which methyl tertiary butyl ether can be recovered.
    Type: Grant
    Filed: February 18, 1999
    Date of Patent: October 17, 2000
    Assignee: Huntsman ICI Chemical LLC
    Inventors: John Frederick Knifton, John Ronald Sanderson, William Alan Smith, James Douglas Goshinska, Mark Allen Mueller
  • Patent number: 5939592
    Abstract: A tertiary butyl alcohol charge stock typically contaminated with from about 0.5 to about 2 wt. % of formates and peroxides, is passed through an oxygenates decomposition reactor containing a bed of a decomposition catalyst comprising rhodium, platinum, palladium or mixture thereof at a temperature of from about 100 to about 280.degree. C. to decompose the peroxides and formates, and to dehydrate a portion of the tertiary butyl alcohol to form isobutylene and water to thereby form a non-corrosive tertiary butyl alcohol feedstock that is substantially free from formates that is suitable for reaction with methanol in a methyl tertiary butyl ether etherification reactor to form a non-corrosive methyl tertiary butyl ether etherification reaction product from which methyl tertiary butyl ether can be recovered.
    Type: Grant
    Filed: November 10, 1997
    Date of Patent: August 17, 1999
    Assignee: Huntsman Specialty Chemicals Corp.
    Inventors: John Frederick Knifton, John Ronald Sanderson, William Alan Smith
  • Patent number: 5811620
    Abstract: A tertiary butyl alcohol feedstock is dehydrated to form isobutylene and water in a reactive distillation column having a reactive distillation section in the middle portion thereof containing a bed of a TBA dehydration catalyst and a substantially anhydrous lower boiling isobutylene fraction is recovered adjacent the top of the reactive distillation column and a higher boiling aqueous fraction is recovered adjacent the bottom of the reactive distillation column.
    Type: Grant
    Filed: June 3, 1996
    Date of Patent: September 22, 1998
    Assignee: Huntsman Specialty Chemicals Corporation
    Inventors: John Frederick Knifton, John Ronald Sanderson, Melvin Ernest Stockton
  • Patent number: 5811597
    Abstract: Methyl tertiary butyl ether is prepared from contaminated TBA by reactively distilling the contaminated TBA in a reactive distillation column to provide a lower boiling isobutylene fraction and a higher boiling aqueous TBA fraction, by distilling the higher boiling aqueous TBA fraction to provide a lower boiling TBA fraction, by charging the lower boiling isobutylene fraction, the lower boiling tertiary butyl alcohol fraction and methanol to an etherification reactor to form an etherification reaction product, by distilling the etherification reaction product to provide a lower boiling fraction containing isobutylene, methanol and methyl tertiary butyl ether by charging the lower boiling fraction to a finishing reactor to react the isobutylene and methanol contained therein to from additional MTBE and by recovering MTBE from the etherification reaction product and the isobutylene conversion product.
    Type: Grant
    Filed: August 26, 1996
    Date of Patent: September 22, 1998
    Assignee: Huntsman Specialty Chemicals Corp.
    Inventors: Rei-Yu Judy Hwan, Mark Elliott Taylor, John Frederick Knifton, Melvin Ernest Stockton, John Ronald Sanderson
  • Patent number: 5741952
    Abstract: An MTBE recycle stream (which consists mainly of TBA and methanol) contaminated with residual amounts of tertiary butyl hydroperoxide, ditertiary butyl peroxide and allyl tertiary butyl peroxide can be effectively catalytically treated under mild conversion conditions with a silica-supported nickel, copper, chromium, iron catalyst in order to substantially completely decompose the peroxide contaminants and to thereby provide a treated MTBE recycle stream which is not only substantially free from contaminating quantities of such peroxides, but which also contains an enhanced amount of methyl tertiary butyl ether.
    Type: Grant
    Filed: January 11, 1993
    Date of Patent: April 21, 1998
    Assignee: Huntsman Specialty Chemicals Corporation
    Inventors: John Ronald Sanderson, John Frederick Knifton