Patents by Inventor G. R. Barrie Webster

G. R. Barrie Webster 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).

  • CONVERSION OF CBD TO DELTA8-THC AND DELTA9-THC
    Publication number: 20080221339
    Abstract: Methods of converting cannabidiol to ?8-tetrahydrocannabinol or ?9-tetrahydrocannabinol are described. The described methods produce higher yields and higher purity compared to prior art methods.
    Type: Application
    Filed: March 20, 2008
    Publication date: September 11, 2008
    Inventors: G. R. Barrie Webster, Leonard P. Sarna, Raphael Mechoulam
  • Conversion of CBD to ?-THC and ?-THC
    Patent number: 7399872
    Abstract: Methods of converting cannabidiol to ?8-tetrahydrocannabinol or ?9-tetrahydrocannabinol are described. The described methods produce higher yields and higher purity compared to prior art methods.
    Type: Grant
    Filed: March 7, 2002
    Date of Patent: July 15, 2008
    Inventors: G. R. Barrie Webster, Leonard P. Sarna, Raphael Mechoulam
  • CBD-delta8-THC composition
    Publication number: 20040248970
    Abstract: An anti-emetic composition comprising &Dgr;8-tetrahydrocannabinol and cannabidiol and the use thereof is described.
    Type: Application
    Filed: April 8, 2004
    Publication date: December 9, 2004
    Inventors: G.R. Barrie Webster, Leonard P. Sarnia
  • Conversion of cbd to delta8-thc and delta9-thc
    Publication number: 20040143126
    Abstract: Methods of converting cannabidiol to &Dgr;8-tetrahydrocannabinol or &Dgr;9-tetrahydrocannabinol are described. The described methods produce higher yields and higher purity compared to prior art methods.
    Type: Application
    Filed: February 25, 2004
    Publication date: July 22, 2004
    Inventors: G. R. Barrie Webster, Leonard P. Sarna, Raphael Mechoulam
  • Cannabinoid extraction method
    Patent number: 6403126
    Abstract: A method of extracting cannabinoids, cannflavins, and/or essential oils from hemp and/or of producing a whole hemp extract lacking &Dgr;9-THC is herein described. The industrial hemp is harvested and the chaff is threshed from the seeds. The chaff is then ground and the ground chaff is extracted with an organic solvent. The extract is then loaded onto a chromatographic column selected to fractionate specific cannabinoids, cannflavins, and essential oils. In one embodiment, &Dgr;9-THC is fractionated out of the extract, producing a whole hemp extract lacking &Dgr;9-THC. In other embodiments, specific cannabinoids and related compounds of interest are fractionated out, thereby producing purified cannabinoids, cannflavins, and related compounds.
    Type: Grant
    Filed: January 24, 2000
    Date of Patent: June 11, 2002
    Assignee: Websar Innovations Inc.
    Inventors: G. R. Barrie Webster, Leonard P. Sarna