Patents by Inventor John Edward Parkin

John Edward Parkin 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 for the separation of triglycoalkaloids
    Patent number: 6984725
    Abstract: In accordance with the present invention there is provided a method for the separation of a triglycoalkaloid in which the triglycoside portion comprises ?-L-rhamnopyranosyl-(1?2gal)-O-?-D-glucopyranosyl-(1?3gal)-?-D-galactopyranose (or 6-deoxy-?-L-mannopyranosyl-(1?2)-O-[?-D-glucopyranosyl-(1?3)]-?-D-galactopyranoside) (‘an rhamnose-glucose-galactose triglycoalkaloid’) from a triglycoalkaloid in which the triglycoside portion is ?-L-rhamnopyranosyl-(1?2glu)-O-?-L-rhamnopyranosyl-(1?4glu)-?-D-glucopyranose (‘a rhamnose-rhamnose-glucose triglycoalkaloid’) in a mixture containing both, the method comprising the steps of: Combining the mixture with a portion of alcoholic solvent; Causing or allowing a substantial portion of the rhamnose-rhamnose-glucose triglycoalkaloid to dissolve, thereby generating an alcoholic solution substantially of the rhamnose-rhamnose-glucose triglycoalkaloid, and a solid substantially comprising the rhamnose-glucose-galactose triglycoalkaloid; and Separating the solid substantially com
    Type: Grant
    Filed: June 13, 2003
    Date of Patent: January 10, 2006
    Assignee: Solbec Pharmaceuticals Ltd.
    Inventors: Stephen John Carter, Paul Edward Murray, John Edward Parkin, Gautam Dalwadi
  • Method for the separation of triglycoalkaloids
    Publication number: 20040030109
    Abstract: In accordance with the present invention there is provided a method for the separation of a triglycoalkaloid in which the triglycoside portion comprises &agr;-L-rhamnopyranosyl-(1→2gal)-O-&bgr;-D-glucopyranosyl-(1→3gal)-&bgr;-D-galactopyranose (or 6-deoxy-&agr;-L-mannopyranosyl-(1→2)-O-[&bgr;-D-glucopyranosyl-(1→3)]-&bgr;-D-galactopyranoside) (‘an rhamnose-glucose-galactose triglycoalkaloid’) from a triglycoalkaloid in which the triglycoside portion is &agr;-L-rhamnopyranosyl-(1→2glu)-O-&agr;-L-rhamnopyranosyl-(1→4glu)-&bgr;-D-glucopyranose (‘a rhamnose-rhamnose-glucose triglycoalkaloid’) in a mixture containing both, the method comprising the steps of:
    Type: Application
    Filed: June 13, 2003
    Publication date: February 12, 2004
    Applicant: SOLBEC PHARMACEUTICALS LTD.
    Inventors: Stephen John Carter, Paul Edward Murray, John Edward Parkin, Gautam Dalwadi