Patents by Inventor Balbir S. Rao

Balbir S. Rao 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: 5502078
    Abstract: Compounds of the formula (I): ##STR1## and bioprecursors and pharmaceutically acceptable salts thereof are described as .beta..sub.3 -adrenoceptor agonists having anti-obesity, hypoglycaemic and related therapeutic utilities. Processes for their preparation are described as are compositions containing them.
    Type: Grant
    Filed: May 7, 1993
    Date of Patent: March 26, 1996
    Assignee: Zeneca Limited
    Inventors: Brian R. Holloway, Ralph Howe, Balbir S. Rao
  • Patent number: 5480910
    Abstract: Compounds of the formula (I): ##STR1## and bioprecursors and pharmaceutically acceptable salts thereof are described as .beta..sub.3 -adrenoceptor agonists having anti-obesity, hypoglycaemic and related therapeutic utilities. Processes for their preparation are described as are compositions containing them.
    Type: Grant
    Filed: May 10, 1995
    Date of Patent: January 2, 1996
    Assignee: Zeneca Limited
    Inventors: Brian R. Holloway, Ralph Howe, Balbir S. Rao
  • Patent number: 5434184
    Abstract: Compounds of the formula (I): ##STR1## and bioprecursors and pharmaceutically acceptable salts thereof are described as .beta..sub.3 -adrenoceptor agonsists having anti-obesity, hypoglycaemic and related therapeutic utilities. Processes for their preparation are described as are compositions containing them.
    Type: Grant
    Filed: November 18, 1994
    Date of Patent: July 18, 1995
    Assignee: Zeneca Limited
    Inventors: Brian R. Holloway, Ralph Howe, Balbir S. Rao
  • Patent number: 5393779
    Abstract: Compounds of the formula (I): ##STR1## and bioprecursors and pharmaceutically acceptable salts thereof are described as .beta..sub.3 -adrenoceptor agonists having anti-obesity, hypoglycaemic and related therapeutic utilities. Processes for their preparation are described as are compositions containing them.
    Type: Grant
    Filed: May 28, 1992
    Date of Patent: February 28, 1995
    Assignee: Zeneca Limited
    Inventors: Brian R. Holloway, Ralph Howe, Balbir S. Rao
  • Patent number: 4977148
    Abstract: The invention concerns novel phenoxyacetic acid amide derivatives of the formula I (and pharmaceutically acceptable salts thereof) in which R.sup.1 is hydrogen or fluoro, R.sup.2 is phenyl, cycloalkyl, alkyl or alkenyl as defined herein, and R.sup.3 is hydrogen, methyl or ethyl, or R.sup.2 and R.sup.3 together form polymethylene as defined herein. The invention also includes pharmaceutical compositions containing the amide derivatives, means for the manufacture of the said derivatives and for their use in the treatment of obesity and related conditions and/or in the manufacture of novel medicaments.
    Type: Grant
    Filed: March 8, 1990
    Date of Patent: December 11, 1990
    Assignee: Imperial Chemical Industries
    Inventors: Brian R. Holloway, Ralph Howe, Balbir S. Rao, Donald Stribling
  • Patent number: 4937267
    Abstract: A method of treatment of obesity or diabetes mellitus in a warm-blooded animal requiring such treatment which comprises administering to said animal an effective amount of the compound N-(2-[2-hydroxy-3-phenoxypropyl]aminoethyl)-isobutyramide in racemic (R,S) or levorotatory optically active (S) form, or of a pharmaceutically acceptable acid-addition salt thereof.
    Type: Grant
    Filed: March 10, 1987
    Date of Patent: June 26, 1990
    Assignee: Imperial Chemical Industries PLC
    Inventors: Brian R. Holloway, Ralph Howe, Balbir S. Rao, Donald Stribling
  • Patent number: 4927836
    Abstract: The invention concerns novel phenoxyacetic acid amide derivatives of the formula I (and pharmaceutically acceptable salts thereof) in which R.sup.1 is hydrogen or fluoro, R.sup.2 is phenyl, cycloalkyl, alkyl or alkenyl as defined herein, and R.sup.3 is hydrogen, methyl or ethyl, or R.sup.2 and R.sup.3 together form polymethylene as defined herein. The invention also includes pharmaceutical compositions containing the amide derivatives, means for the manufacture of the said derivatives and for their use in the treatment of obesity and related conditions and/or in the manufacture of novel medicaments.
    Type: Grant
    Filed: June 29, 1988
    Date of Patent: May 22, 1990
    Assignee: Imperial Chemical Industries PLC
    Inventors: Brian R. Holloway, Ralph Howe, Balbir S. Rao, Donald Stribling
  • Patent number: 4772631
    Abstract: The invention concerns a series of novel phenoxyacetic acid ethers (and pharmaceutically acceptable salts thereof) of the formula I in which R.sup.1 is H or F, R.sup.2 and R.sup.3 are H or (1-3C)alkyl, Z is CH.sub.2 OH or a group --CO.R.sup.4 in which R.sup.4 is OH, NH.sub.2 or (1-6C)alkoxy. The invention also includes pharmaceutical compositions for use in treating obesity and related conditions and provides processes for the manufacture of the novel ethers.
    Type: Grant
    Filed: July 28, 1986
    Date of Patent: September 20, 1988
    Assignee: Imperial Chemical Industries PlC
    Inventors: Brian R. Holloway, Ralph Howe, Balbir S. Rao, Donald Stribling