Patents by Inventor David John Stewart

David John Stewart 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).

  • Publication number: 20070254088
    Abstract: A composition comprises one or more free (unesterified) phytosterols and/or phytostanols which are substantially completely dissolved in one or more esterified phytosterols and/or phytostanols. The present invention further provides a composition comprising one or more esterified phytosterols and/or phytostanols which are substantially completely dissolved in an edible oil.
    Type: Application
    Filed: May 1, 2007
    Publication date: November 1, 2007
    Applicant: FORBES MEDI-TECH INC.
    Inventors: David John Stewart, Jerzy Zawistowski, Miruna Laza
  • Publication number: 20070254026
    Abstract: A composition for use in softgel capsules comprises one or more esters of phytosterols and/or phytostanols which have been treated to enhance their flowability at ambient temperatures prior to or concurrent with softgel formation.
    Type: Application
    Filed: May 1, 2007
    Publication date: November 1, 2007
    Applicant: FORBES MEDI-TECH INC.
    Inventor: David John Stewart
  • Patent number: 6087353
    Abstract: The present invention provides a esterified and subsequently hydrogenated phytosterol composition for use alone or for incorporation into foods, beverages, pharmaceuticals, nutraceuticals, and the like. The composition has the advantage of enhanced solubility/dispersability, increased molar potency and enhanced stability over naturally isolated phytosterol compositions. Methods for the esterification and subsequent hydrogenation of the phytosterols are also provided.
    Type: Grant
    Filed: May 15, 1998
    Date of Patent: July 11, 2000
    Assignee: Forbes Medi-Tech Inc.
    Inventors: David John Stewart, Radka Milanova, Jerzy Zawistowski, Simon Howard Wallis
  • Patent number: 6040434
    Abstract: A new pathway of metabolism of 3'-azido-3'-deoxythymidine (AZT) to 3'-amino-3'-deoxythymidine (AMT) has been described. This pathway involves the enzyme aldehyde oxidase. Aldehyde oxidase inhibitors may be used to reduce AMT formation during therapy with AZT.
    Type: Grant
    Filed: December 1, 1997
    Date of Patent: March 21, 2000
    Inventors: Tadanobu Inaba, Shirin Fayz, David John Stewart