Patents by Inventor Mark Hampton Davis

Mark Hampton 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).

  • Patent number: 5652262
    Abstract: Compounds of general formula (I) wherein R.sup.1 represents a hydrogen atom or a C.sub.1 -C.sub.6 alkyl, C.sub.1 -C.sub.6 alkenyl, phenyl, phenyl(C.sub.1 -C.sub.6)alkyl, C.sub.1 -C.sub.6 alkylthiomethyl, phenylthiomethyl, substituted phenylthiomethyl, phenyl(C.sub.1 -C.sub.6)alkylthiomethyl or heterocyclylthiomethyl group; or R.sup.1 represents --S--R.sup.x wherein R.sup.x represents a group .alpha.; R.sup.2 represents a hydrogen atom or a C.sub.1 -C.sub.6 alkyl, C.sub.1 -C.sub.6 alkenyl, phenyl(C.sub.1 -C.sub.6)alkyl, cycloalkyl(C.sub.1 -C.sub.6)alkyl, or cycloalkenyl(C.sub.1 -C.sub.6)alkyl; R.sup.3 represents an amino acid side chain or a C.sub.1 -C.sub.6 alkyl, benzyl, (C.sub.1 -C.sub.6)alkoxybenzyl, benzyloxy(C.sub.1 -C.sub.6)alkyl or benzyloxybenzyl group; R.sup.4 represents a hydrogen atom or a methyl group; R.sup.5 represents a group (CH.sub.2).sub.n A; or R.sup.4 and R.sup.5 together represent a group .beta.; Q represents CH.sub.
    Type: Grant
    Filed: December 1, 1995
    Date of Patent: July 29, 1997
    Assignee: British Biotech Pharmaceutical, Ltd.
    Inventors: Michael John Crimmin, Raymond Paul Beckett, Mark Hampton Davis