Patents by Inventor Cameron McPhail

Cameron McPhail 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 Ramipril
    Patent number: 6407262
    Abstract: A process for separating diastereomeric mixtures of compounds of formula 1 and formula 2 wherein R1=H or R1 denotes a carboxyl-esterifying group selected from C1-C6 alkyl and C7-C8 aralkyl, by treating the mixture of 1 and 2 with a solvent or mixture of solvents to obtain a substantially pure compound of formula 1.
    Type: Grant
    Filed: November 23, 2001
    Date of Patent: June 18, 2002
    Assignee: Brantford Chemicals Inc.
    Inventors: Zhi-Xian Wang, Cameron McPhail