Patents by Inventor Adrian J. Pipe

Adrian J. Pipe 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).

  • Heterocyclic amino compounds
    Patent number: 4880801
    Abstract: Compounds of the general formula (I) ##STR1## (R is H, alkyl, alkenyl, alkynyl, cycloalkyl, aralkyl or CHO, R.sup.1 and R.sup.2 are independently halogen, alkyl, alkoxy, hydroxyl, cyano, nitro or --NR.sup.3 R.sup.4 where R.sup.3 and R.sup.4 are independently H or alkyl and R.sup.2 may be H) and their salts have selective .alpha..sub.2 -adrenoreceptor antagonist action.The compounds may be prepared by amination of compounds of the general formula (II) ##STR2## (where R.sup.1 and R.sup.2 are as defined above and X is a leaving group.
    Type: Grant
    Filed: May 26, 1988
    Date of Patent: November 14, 1989
    Assignee: Glaxo Group Limited
    Inventors: John Kitchin, Peter C. Cherry, Adrian J. Pipe, Andrew J. Crame, Alan D. Borthwick
  • Heterocyclic amino compounds
    Patent number: 4769367
    Abstract: Compounds of the general formula (I) ##STR1## (wherein R is H, alkyl, alkenyl, alkynyl, cycloalkyl, aralkyl or CHO; and R.sup.1 and R.sup.2 each represents H, fluorine or chlorine);and their salts have selective .alpha..sub.2 -adrenoreceptor antagonist action.The compounds may be prepared by amination of compounds of the general formula (II): ##STR2## (wherein X is a leaving group).
    Type: Grant
    Filed: June 25, 1986
    Date of Patent: September 6, 1988
    Assignee: Glaxo Group Limited
    Inventors: Peter C. Cherry, Adrian J. Pipe, John Kitchin, Alan D. Borthwick, Richard J. Coles, Derek Burn