Patents by Inventor Peter James Machin

Peter James Machin 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).

  • Amino acid derivatives
    Patent number: 5652369
    Abstract: Compounds of the formula ##STR1## wherein R.sup.1, R.sup.2, R.sup.3, R.sup.4, R.sup.5, R.sup.6, and --N(R.sup.7)--CH(R.sup.8)(R.sup.9) are as claimed herein or their pharmaceutically acceptable acid addition salts inhibit proteases of viral origin and can be used as medicaments for the treatment of viral infections. They can be manufactured according to generally known procedures.
    Type: Grant
    Filed: April 6, 1995
    Date of Patent: July 29, 1997
    Assignee: Hoffmann-La Roche Inc.
    Inventors: Balraj Krishan Handa, Peter James Machin, Joseph Armstrong Martin, Sally Redshaw, Gareth John Thomas