Patents by Inventor Christopher Curtis Royston Allen

Christopher Curtis Royston Allen 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).

  • Process for the resolution of cis 1,2-indane diols using Pseudomonas putida
    Patent number: 6165777
    Abstract: A process for resolution of a mixture of dihydroxydihydroindene enantiomers comprising treating the mixture of enantiomers with a Pseudomonas putida species microorganism.Resolved dihydroxydihydroindenes are valuable intermediates for the synthesis of biologically active compounds such as pharmaceuticals and agrochemicals.
    Type: Grant
    Filed: June 9, 1998
    Date of Patent: December 26, 2000
    Assignee: Zeneca Limited
    Inventors: Christopher Curtis Royston Allen, Derek Raymond Boyd, Howard Dalton
  • Production of optically active 1,2-dihydroxyindance derivatives by asymetric assimilation
    Patent number: 5811294
    Abstract: A process for resolution of a mixture of cis-dihydroxydihydroindene enantiomers comprising treating the mixture of enantiomers with a Pseudomonas putida species microorganism.Resolved dihydroxydihydroindenes are valuable intermediates for the synthesis of biologically active compounds such as pharmaceuticals and agrochemicals.
    Type: Grant
    Filed: April 4, 1997
    Date of Patent: September 22, 1998
    Assignee: Zeneca Limited
    Inventors: Christopher Curtis Royston Allen, Derek Raymond Boyd, Howard Dalton