Patents by Inventor Mark R. Shipton

Mark R. Shipton 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 preparing an enantiomer of a carbazole derivative
    Patent number: 5618948
    Abstract: A (+) or (-) enantiomer of a compound of formula (I) wherein R.sup.4 is methyl or ethyl, or a salt, solvate or hydrate thereof, processes for preparing said compounds and pharmaceutical compositions containing them. Compounds of formula (+) are 5-HT.sub.1 -like agonists.
    Type: Grant
    Filed: May 26, 1995
    Date of Patent: April 8, 1997
    Assignee: SmithKline Beecham p.l.c.
    Inventors: Gary T. Borrett, John Kitteringham, Roderick A. Porter, Mark R. Shipton, Mythily Vimal, Rodney C. Young
  • Process of preparing enantiomers of carbazole derivatives
    Patent number: 5618947
    Abstract: A (+) or (-) enantiomer of a compound of formula (I) wherein R.sup.4 is methyl or ethyl, or a salt, solvate or hydrate thereof, processes for preparing said compounds and pharmaceutical compositions containing them. Compounds of formula (+) are 5-HT.sub.1 -like agonists.
    Type: Grant
    Filed: July 18, 1995
    Date of Patent: April 8, 1997
    Assignee: SmithKline Beecham, p.l.c.
    Inventors: Gary T. Borrett, John Kitteringham, Roderick A. Porter, Mark R. Shipton, Mythily Vimal, Rodney C. Young
  • Enantiomers of carbazole derivatives as 5-HT.sub.1 -like agonists
    Patent number: 5616603
    Abstract: A (+)or (-) enantiomer of a compound of formula (I) wherein R.sup.4 is methyl or ethyl, or a salt, solvate or hydrate thereof, processes for preparing said compounds and pharmaceutical compositions containing them. Compounds of formula (+) are 5-HT.sub.1 -like agonists.
    Type: Grant
    Filed: May 26, 1995
    Date of Patent: April 1, 1997
    Assignee: SmithKline Beecham plc
    Inventors: Gary T. Borrett, John Kitteringham, Roderick A. Porter, Mark R. Shipton, Mythily Vimal, Rodney C. Young