Patents by Inventor Melvin Stockton

Melvin Stockton 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: 7008914
    Abstract: This invention is directed to a fluorine-containing mordenite catalyst and use thereof in the manufacture of alkylbenzene (LAB) by alkylation of benzene with an olefin. The olefin may have from about 10 to 14 carbons. The fluorine-containing mordenite is prepared typically by treatment with an aqueous hydrogen fluoride solution. The benzene alkylation may be conducted using reactive distillation. This invention is also directed to a process for production of LAB having a high 2-phenyl isomer content by use of the fluorine-containing mordenite in conjunction with a conventional solid LAB alkylation catalyst. The two catalysts may be used in a mixed catalyst bed or may be packed in series, with the relative proportions being adjusted to provide a desired 2-phenyl isomer content of in the final product.
    Type: Grant
    Filed: October 3, 2002
    Date of Patent: March 7, 2006
    Assignee: Huntsman Petrochemical Corporation
    Inventors: George A. Smith, Prakasa R. Anantaneni, Samir S. Ashrawi, Raeda M. Smadi, John F. Knifton, Melvin Stockton
  • Publication number: 20030166481
    Abstract: This invention is directed to a fluorine-containing mordenite catalyst and use thereof in the manufacture of alkylbenzene (LAB) by alkylation of benzene with an olefin. The olefin may have from about 10 to 14 carbons. The fluorine-containing mordenite is prepared typically by treatment with an aqueous hydrogen fluoride solution. The benzene alkylation may be conducted using reactive distillation. This invention is also directed to a process for production of LAB having a high 2-phenyl isomer content by use of the fluorine-containing mordenite in conjunction with a conventional solid LAB alkylation catalyst. The two catalysts may be used in a mixed catalyst bed or may be packed in series, with the relative proportions being adjusted to provide a desired 2-phenyl isomer content of in the final product.
    Type: Application
    Filed: October 3, 2002
    Publication date: September 4, 2003
    Applicant: Huntsman Petrochemical Corporation
    Inventors: George A. Smith, Prakasa R. Anantaneni, Samir S. Ashrawi, Raeda M. Smadi, John F. Knifton, Melvin Stockton
  • Patent number: 6315964
    Abstract: This invention is directed to a reactive distillation process and system for the alkylation of liquid aromatic compounds with a liquid olefin or olefin/paraffin mixture. The aromatic compound may have from about 6 to about 30 carbons and the olefin may have from about 8 to 30 carbons. The system has a reactor configuration utilizing an alkylation catalyst, a reboiler with product takeoff, and a feed inlet above the catalyst bed. The system may also include a means for in-situ mixing of the aromatic compound and olefin or olefin/paraffin mixture, an overhead condenser and/or a water takeoff.
    Type: Grant
    Filed: June 20, 1997
    Date of Patent: November 13, 2001
    Assignee: Huntsman Petrochemical Corporation
    Inventors: John F. Knifton, Prakasa Rao Anantaneni, Melvin Stockton
  • Patent number: 5770782
    Abstract: This invention is directed to a reactive distillation process and system for the alkylation of liquid aromatic compounds with a liquid olefin or olefin/paraffin mixture. The aromatic compound may have from about 6 to about 30 carbons and the olefin may have from about 8 to 30 carbons. The system has a reactor configuration utilizing an alkylation catalyst, a reboiler with product takeoff, and a feed inlet above the catalyst bed. The system may also include a means for in-situ mixing of the aromatic compound and olefin or olefin/paraffin mixture, an overhead condenser and/or a water takeoff.
    Type: Grant
    Filed: February 8, 1996
    Date of Patent: June 23, 1998
    Assignee: Huntsman Petrochemical Corporation
    Inventors: John F. Knifton, Prakasa Rao Anantaneni, Melvin Stockton