Patents by Inventor James Tracy

James Tracy 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).

  • Anionic surfactants having multiple hydrophobic and hydrophilic groups
    Patent number: 5643864
    Abstract: According to the invention, an improved class of anionic surfactants having improved surfactant properties characterized as mild and environmentally safe have been provided comprising compounds of the formula: ##STR1## The anionic surfactants of the invention have at least two hydrophobic chains and at least two hydrophilic groups per molecule and are useful as emulsifiers, detergents, dispersant and solubilizing agents.
    Type: Grant
    Filed: August 19, 1994
    Date of Patent: July 1, 1997
    Assignee: Rhone-Poulenc, Inc.
    Inventors: Ji Li, Manilal Dahanayake, Robert Lee Reierson, David James Tracy
  • Battery housing for a portable radio
    Patent number: D349681
    Type: Grant
    Filed: June 21, 1993
    Date of Patent: August 16, 1994
    Assignee: Motgorola, Inc.
    Inventors: Craig Siddoway, James Tracy