Patents by Inventor Ernest E. Kelly

Ernest E. Kelly 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: 5912274
    Abstract: An oral antiplaque composition for treatment of teeth wherein the essential antiplaque agent is a substantially water insoluble noncationic antibacterial phenol containing, relative to the hydroxyl group, an alkyl or cycloalkyl group, preferably tert.-butyl (t-butyl), in the 2-position, and substituents in one or both of the 4- and 5-positions, one or both of which may be alkyl or cycloalkyl, one being preferably t-butyl.
    Type: Grant
    Filed: March 25, 1997
    Date of Patent: June 15, 1999
    Assignee: Colgate-Palmolive Company
    Inventors: Orum D. Stringer, John C. Brahms, Malathy Subramanian, Ernest E. Kelly
  • Patent number: 5723500
    Abstract: An oral antiplaque composition and treatment of teeth therewith wherein the essential antiplaque agent is a substantially water insoluble noncationic antibacterial phenol containing, relative to the hydroxyl group, an alkyl or cycloalkyl group, preferably tert.-butyl (t-butyl), in 2-position, and substituents in one or both of the 4- and 5-positions, one of which may be phenyl or 2', 3' and/or 4' substituted alkyl or cycloalkyl phenyl, preferably 4'-t-butyl phenyl or a phenanthrene containing a hydroxyl substituent in the 2- or 3-position and alkyl or cycloalkyl, preferably t-butyl, substituents in the other of the 2- and 3-positions and in at least one of the other rings. Novel antibacterial alkylated phenols are also described.
    Type: Grant
    Filed: May 17, 1996
    Date of Patent: March 3, 1998
    Assignee: Colgate-Palmolive Company
    Inventors: Orum D. Stringer, John C. Brahms, Malathy Subramanian, Ernest E. Kelly