Patents by Inventor Pamela Brown nee Davis

Pamela Brown nee Davis 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).

  • 2-Substituted thio carbapenem derivatives
    Patent number: 4477662
    Abstract: A process for the preparation of an antibacterially active compound of the formula (I): ##STR1## and salts and esters thereof wherein R.sup.1 and R.sup.2 independently are hydrogen or an organic group, and R.sup.3 is an organic group bonded via a carbon atom to the sulphur atom, which comprises reacting a compound of the formula (II): ##STR2## wherein R.sup.4 is an organic group different to R.sup.3 and R.sup.a is hydrogen or a carboxy-blocking group, with a thiol R.sup.3 SH or reactive derivative thereof. In addition certain compounds within the formula (II) are novel and useful antibacterial agents in their own right.
    Type: Grant
    Filed: February 3, 1982
    Date of Patent: October 16, 1984
    Assignee: Beecham Group p.l.c.
    Inventors: David F. Corbett, Pamela Brown nee Davis, Roger J. Ponsford