Patents by Inventor E. Fox

E. Fox 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).

  • Method of making hydroxyalkyl amide containing reduced level of unreacted alkanolamine
    Publication number: 20050107623
    Abstract: A method for reacting alkanolamine with ester in the presence of a metal silicate compound and, optionally, a catalyst, to produce a hydroxyalkyl amide composition with a decreased level of alkanolamine and residual catalyst.
    Type: Application
    Filed: November 14, 2003
    Publication date: May 19, 2005
    Inventors: E. Fox, Timothy Lambert
  • Method of purifying hydroxyalkyl amide
    Publication number: 20050097813
    Abstract: A method for purifying hydroxyalkyl amide of residual alkanolamine by using nonpolar solvent, an acidic pH, salt solutions and an elevated temperature.
    Type: Application
    Filed: November 12, 2003
    Publication date: May 12, 2005
    Inventors: Timothy Lambert, E. Fox