Patents Represented by Attorney Michael M. Gilman

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  • Phosphorodithioate products of hydrocarbyl imino-methylene-substituted hindered phenols
    Patent number: 4405470
    Abstract: Product made by reacting a hindered phenol aldehyde with a primary amine followed by reacting the product thus obtained with a diorganophosphorodithioic acid, and lubricants containing same.
    Type: Grant
    Filed: January 22, 1982
    Date of Patent: September 20, 1983
    Assignee: Mobil Oil Corporation
    Inventor: Abraham O. M. Okorodudu
  • N-Hydroxyalkyl pyrrolidinone esters as detergent compositions and lubricants and fuel containing same
    Patent number: 4397750
    Abstract: Esters of hydroxyalkylpyrrolidinones and alkenylsuccinic anhydrides are effective detergent additives for hydrocarbyl lubricants and fuels.
    Type: Grant
    Filed: August 7, 1981
    Date of Patent: August 9, 1983
    Assignee: Mobil Oil Corporation
    Inventor: Sheldon Chibnik
  • Catalyst and process for making said catalyst
    Patent number: 4379761
    Abstract: Disclosed is a zeolite base catalyst useful particularly for the selective production of para-dialkylsubstituted benzene. The catalyst comprises a porous crystalline zeolite having silica deposited thereon and having incorporated therein phosphorous. Described also in the process for making the catalyst and the parameters for the use of the catalyst in dialkylation processes.
    Type: Grant
    Filed: January 9, 1981
    Date of Patent: April 12, 1983
    Assignee: Mobil Oil Corporation
    Inventors: David H. Olson, Paul G. Rodewald