Patents by Inventor Ross Chambers

Ross Chambers 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).

  • Synthesis of fluorinated ethers
    Patent number: 6054626
    Abstract: Fluorinated ethers of the formula: ##STR1## wherein R is hydrogen, fluorine, alkyl of 1 to 6 carbon atoms, or fluoroalkyl of 1 to 6 carbon atoms, R' is hydrogen, alkyl of 1 to 6 carbon atoms, or fluoroalkyl of 1 to 6 carbon atoms, and R" is fluorine, alkyl of 1 to 6 carbon atoms or fluoroalkyl of 1 to 6 carbon atoms, e.g. Desflurane, are prepared by fluorinating a corresponding ether of formula: ##STR2## with a solid transition metal fluoride fluorinating agent such as cobaltic fluoride.
    Type: Grant
    Filed: November 10, 1993
    Date of Patent: April 25, 2000
    Assignee: Rhodia Limited
    Inventors: Owen Ross Chambers, Roderic Nigel Fraser Simpson
  • Preparation of fluoro-nucleosides and intermediates for use therein
    Patent number: 5717086
    Abstract: 2',3'-Dideoxy-3'-fluorouridines are made by reaction of a corresponding anhydronucleoside with hydrogen fluoride in the presence of an organo-iron compound.
    Type: Grant
    Filed: February 14, 1996
    Date of Patent: February 10, 1998
    Assignees: Rhone-Poulenc Chemicals Limited, The Wellcome Foundation Limited
    Inventors: Owen Ross Chambers, Patrick Charles Youmans, Andrew Lawrence Germain
  • Preparation of fluoro compounds
    Patent number: 5705713
    Abstract: Fluoro compounds are made by reaction of an activated oxy-acid ester or cyclic ether starting material with hydrogen fluoride in the presence of an organometallic compound.
    Type: Grant
    Filed: December 12, 1995
    Date of Patent: January 6, 1998
    Assignee: Rhone-Poulenc Chemicals Limited
    Inventors: Owen Ross Chambers, Patrick Charles Youmans