Patents Represented by Attorney, Agent or Law Firm N C Johnson
  • Method and composition for hydroxylation of aromatic substrates
    Patent number: 6265622
    Abstract: A method and composition are disclosed for the hydroxylation of aromatic substrates in the presence of oxygen, hydrogen, and a catalyst. In a preferred embodiment, benzene is oxidized to phenol in the presence of oxygen, a vanadium catalyst, and hydrogen. The method is economical, safe, and amenable to commercial scale-up.
    Type: Grant
    Filed: February 26, 1999
    Date of Patent: July 24, 2001
    Assignee: General Electric Company
    Inventor: Terence Michael Barnhart
  • Method for making aqueous emulsions of functionalized organopolysiloxanes
    Patent number: 6214927
    Abstract: A method is provided for making aqueous emulsions of functionalized organopolysiloxane particles having a volume average particle diameter in a range between about 300 nanometers to about 1 micron. The aqueous silicone emulsions can be employed as part of a coating composition, for example, a shampoo, to impart improved surface characteristics.
    Type: Grant
    Filed: November 2, 1999
    Date of Patent: April 10, 2001
    Assignee: General Electric Company
    Inventors: Daniel Horace Craig, Wayne Francis Morgan