Patents by Inventor Duane St. Amour

Duane St. Amour 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).

  • "GREEN" DIESTER AMINES AND PERSONAL CARE PRODUCTS
    Publication number: 20130129656
    Abstract: Diester tertiary amines and quats and their methods of synthesis are disclosed. Also disclosed are personal care compositions comprising the disclosed compounds.
    Type: Application
    Filed: August 8, 2011
    Publication date: May 23, 2013
    Applicant: CRODA, INC.
    Inventors: Abel G. Pereira, Erik Gunderman, Duane St. Amour, Farahdia Edouard
  • Personal care product containing diester quat
    Patent number: 7202204
    Abstract: The present invention relates to a personal care product containing a mixture of at least one personal care ingredient and one diester quaternary ammonium compound with a pH between 4.0 and 10.0 and a viscosity between 100 and 300,000 cps, and the method of making the personal care product diester tertiary amines and quats are also described.
    Type: Grant
    Filed: January 24, 2005
    Date of Patent: April 10, 2007
    Assignee: Croda, Inc.
    Inventors: Abel G. Pereira, Duane St. Amour, Helena S. Barinova
  • Personal care product containing diester quat
    Publication number: 20050288198
    Abstract: The present invention relates to a personal care product containing a mixture of at least one personal care ingredient and one diester quaternary ammonium compound with a pH between 4.0 and 10.0 and a viscosity between 100 and 300,000 cps, and the method of making the personal care product diester tertiary amines and quats are also described.
    Type: Application
    Filed: January 24, 2005
    Publication date: December 29, 2005
    Applicant: Croda, Inc.
    Inventors: Abel Pereira, Duane St. Amour, Helena Barinova