Patents by Inventor Joseph G. Shih

Joseph G. Shih 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).

  • Polysilahydrocarbon lubricants
    Patent number: 5026893
    Abstract: Polysilahydrocarbons, such as tetrasilanes, are prepared by reaction of alkenyl organometallic compounds with alkyltrihalosilanes, followed by further reaction of the alkyltrialkenylsilane intermediates with trihalosilane and the subsequent substitution of the halogen atoms in the second intermediate by alkyl groups.
    Type: Grant
    Filed: June 11, 1990
    Date of Patent: June 25, 1991
    Assignee: Lubricating Specialties Company
    Inventors: Kazimiera J. L. Paciorek, Joseph G. Shih, Bruce B. Randolph, Carl E. Snyder, Jr.
  • Trisilahydrocarbon lubricants
    Patent number: 4788312
    Abstract: Trisilahydrocarbon synthetic lubricant base stocks are prepared by the reaction of dienes containing four to sixteen carbon atoms with dihalosilanes, followed by further reaction of the bis(alkenyl)dihalosilane intermediates with trihalosilanes or trialkylsilanes, followed by substitution of the halogen atoms in the second intermediates by organometallic compounds or by hydridometallic compounds plus olefins.
    Type: Grant
    Filed: March 16, 1988
    Date of Patent: November 29, 1988
    Assignee: Technolube Division Lubricating Specialties Co.
    Inventors: Kazimiera J. L. Paciorek, Robert E. Pratt, Joseph G. Shih