Patents by Inventor Robert John Bass

Robert John Bass 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).

  • Oxa-and thia-diazole muscarinic receptor antagonists
    Patent number: 5977142
    Abstract: A compound of formula (I) ##STR1## wherein R.sup.1 is C.sub.1-6 alkyl, halo-(C.sub.1-6 alkyl), C.sub.3-7 cycloalkyl, C.sub.2-6 alkylnyl, hydroxy-(C.sub.2-6 alkylnyl), (C.sub.1-4 alkoxy)-(C.sub.2-6 alkylnyl), aryl, aryl-(C.sub.1-4 alkyl), heteroaryl or heteroaryl-(C.sub.1-4 alkyl); R.sup.2 is H or C.sub.1-4 alkyl; R.sup.3 is aryl, heteroaryl, 2,3-dihydrobenzofuranyl or C.sub.4-7 cycloalkyl; X is O or S; Y is bond, --CH.sub.2 --, --(CH.sub.2).sub.2 -- or --CH.sub.2 O--, a pharmaceutically acceptable salt thereof, which are useful muscarinic receptor antagonists in treaatment of e.g. irritable bowel syndrome, urinary incontinence, etc.
    Type: Grant
    Filed: July 31, 1998
    Date of Patent: November 2, 1999
    Assignee: Pfizer Inc.
    Inventors: Robert John Bass, Alexander Roderick MacKenzie, Anthony Wood
  • 4-Oxo-4H-benzopyrans as animal growth promotants
    Patent number: 4117149
    Abstract: 4-Oxo-4H-benzopyrans are described which are capable of promoting growth or improving feed conversion efficiency in economically important animals.
    Type: Grant
    Filed: May 10, 1977
    Date of Patent: September 26, 1978
    Assignee: Pfizer Inc.
    Inventor: Robert John Bass