Patents Represented by Attorney Van D. Harrison

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  • Catalyst for alkylating aromatics with olefins
    Patent number: 4285835
    Abstract: Mixtures of aromatic and olefinic hydrocarbons are contacted in the presence of a catalyst under appropriate pressure, temperature and space velocity to effect alkylation of the aromatic hydrocarbon. The catalyst is alumina containing boria and an oxide of a metal from Group IVA (tin and lead) or Group VIIB (manganese).
    Type: Grant
    Filed: August 25, 1980
    Date of Patent: August 25, 1981
    Assignee: Ashland Oil, Inc.
    Inventor: Stephen M. Kovach
  • Alkylation of aromatics with olefins in the presence of an alumina catalyst
    Patent number: 4219690
    Abstract: Mixtures of aromatic and olefinic hydrocarbons are contacted in the presence of a catalyst under appropriate pressure, temperature and space velocity to effect alkylation of the aromatic hydrocarbon. The catalyst is alumina containing boria and an oxide of a metal from Group IVA (tin and lead) or Group VIIB (manganese).
    Type: Grant
    Filed: July 5, 1979
    Date of Patent: August 26, 1980
    Assignee: Ashland Oil, Inc.
    Inventor: Stephen M. Kovach