Patents by Inventor Roger John Aitchison Walsh

Roger John Aitchison Walsh 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).

  • Chemical compounds
    Patent number: 7148215
    Abstract: The present invention concerns compounds of general formula (I): in which the substituents are as described herein.
    Type: Grant
    Filed: March 18, 2004
    Date of Patent: December 12, 2006
    Assignee: Aventis Pharma S.A.
    Inventors: Andrew James Ratcliffe, Roger John Aitchison Walsh, Tahir Nadeem Majid, Sukanthini Thurairatnam, Shelley Amendola, David John Aldous, John Edward Souness, Conception Nemecek, Sylvie Wentzler, Corinne Venot
  • Substituted phenyl compounds
    Patent number: 6211234
    Abstract: Compounds of formula (I) are described wherein R1 is hydrogen, -(lower alkyl)q(CO2R6 or OH), —CN, —C(R7)═NOR8, NO2, —O(lower alkyl)R9, —C≡C—R10, —CR11═C(R12)(R13), —C(═O)CH2C(═O)CO2H, —CO(R14), alkylthio, alkylsulphinyl, alkylsulphonyl, carbamoyl, thiocarbamoyl, substituted carbamoyl, substituted thiocarbamoyl, sulphamoyl or an optionally substituted nitrogen-containing ring, m, n, o and p are independently zero or 1 and R2, R3, R4 and R5 are various groups; and physiologically acceptable salts, N-oxides and prodrugs thereof. The compounds have endothelin antagonist activity and are useful as pharmaceuticals.
    Type: Grant
    Filed: June 27, 1997
    Date of Patent: April 3, 2001
    Assignee: Rhone-Poulenc Rorer Limited
    Inventors: Peter Charles Astles, Mark Francis Harper, Neil Victor Harris, Iain McFarlane McLay, Roger John Aitchison Walsh, Richard Alan Lewis, Christopher Smith, Barry Porter, Clive McCarthy