Patents by Inventor Robert Anthony Holt

Robert Anthony Holt 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 PREPARATION OF DIHYDROXY ESTERS AND DERIVATIVES THEREOF
    Publication number: 20100209984
    Abstract: A process is provided for the preparation of a compound of formula (1) wherein R and R? represent optionally substituted hydrocarbyl groups and X represents a hydrocarbyl linking group. The process comprises either the stereoselective reduction of the keto group in a dihydroxy keto precursor followed by selective esterification of a primary hydroxy, or selective esterification of a primary hydroxy of a dihydroxy keto precursor followed by stereoselective reduction of the keto group.
    Type: Application
    Filed: April 27, 2010
    Publication date: August 19, 2010
    Applicant: AstraZeneca UK Limited
    Inventors: Andrew John BLACKER, Christopher David REEVE, Robert Anthony HOLT
  • Process for the Preparation of Dihydroxy Esters and Derivatives Thereof
    Publication number: 20080280336
    Abstract: A process is provided for the preparation of a compound of formula (1) wherein R and R? represent optionally substituted hydrocarbyl groups and X represents a hydrocarbyl linking group. The process comprises either the stereoselective reduction of the keto group in a dihydroxy keto precursor followed by selective esterification of a primary hydroxy, or selective esterification of a primary hydroxy of a dihydroxy keto precursor followed by stereoselective reduction of the keto group.
    Type: Application
    Filed: July 23, 2008
    Publication date: November 13, 2008
    Applicant: ASTRAZENECA UK LIMITED
    Inventors: Andrew John Blacker, Christopher David Reeve, Robert Anthony Holt