Patents by Inventor William Howson

William Howson 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: 8415310
    Abstract: This invention recites isoxazoline substituted azetidine derivatives of Formula (1) stereoisomers thereof, veterinarily acceptable salts thereof, compositions thereof, and their use as a parasiticide in mammals and birds. R1a, R1b, R1c, R2, R3, R4, R6, and n are as described herein.
    Type: Grant
    Filed: August 4, 2011
    Date of Patent: April 9, 2013
    Assignee: AH USA 42 LLC
    Inventors: Valerie A. Vaillancourt, Nathan Anthony Logan Chubb, Michael Curtis, William Howson, Graham M. Kyne, Sanjay Menon, Susan M. K. Sheehan, Donald J. Skalitzky, John A. Wendt
  • Publication number: 20120035122
    Abstract: This invention recites isoxazoline substituted azetidine derivatives of Formula (1) stereoisomers thereof, veterinarily acceptable salts thereof, compositions thereof, and their use as a parasiticide in mammals and birds. R1a, R1b, R1c, R2, R3, R4, R6, and n are as described herein.
    Type: Application
    Filed: August 4, 2011
    Publication date: February 9, 2012
    Inventors: Valerie A. Vaillancourt, Nathan Anthony Logan Chubb, Michael Curtis, William Howson, Graham M. Kyne, Sanjay Menon, Susan M. K. Sheehan, Donald J. Skalitzky, John A. Wendt
  • Publication number: 20100010093
    Abstract: The present invention relates to compounds of the formula (I) or a tautomer or prodrug thereof, or a pharmaceutically acceptable salt of said compound, tautomer or prodrug, wherein: R1, R2, R3, R4 and R5 are each independently selected from H, halo, CN, CF3 and CONH2; compositions containing such compounds and the uses of such compounds as antiparasitic agents.
    Type: Application
    Filed: September 15, 2009
    Publication date: January 14, 2010
    Applicant: PFIZER LIMITED
    Inventors: Stuart Nicholas Comlay, Joanne Clare Hannam, William Howson, Christelle Lauret, Yogesh Anil Sabnis
  • Patent number: 7608604
    Abstract: The present invention relates to compounds of the formula (I) or a tautomer or prodrug thereof, or a pharmaceutically acceptable salt of said compound, tautomer or prodrug, wherein: R1, R2, R3, R4 and R5 are each independently selected from H, halo, CN, CF3 and CONH2; compositions containing such compounds and the uses of such compounds as antiparasitic agents.
    Type: Grant
    Filed: February 8, 2008
    Date of Patent: October 27, 2009
    Assignee: Pfizer Limited
    Inventors: Stuart Nicholas Comlay, Joanne Clare Hannam, William Howson, Christelle Lauret, Yogesh Anil Sabnis
  • Publication number: 20080194694
    Abstract: The present invention relates to compounds of the formula (I) or a tautomer or prodrug thereof, or a pharmaceutically acceptable salt of said compound, tautomer or prodrug, wherein: R1, R2, R3, R4 and R5 are each independently selected from H, halo, CN, CF3 and CONH2; compositions containing such compounds and the uses of such compounds as antiparasitic agents.
    Type: Application
    Filed: February 8, 2008
    Publication date: August 14, 2008
    Applicant: PFIZER LIMITED
    Inventors: Stuart Nicholas Comlay, Joanne Clare Hannam, William Howson, Christelle Lauret, Yogesh Anil Sabnis
  • Patent number: 5981755
    Abstract: The invention concerns tachykinin antagonists. The compounds are nonpeptides which have utility in treating disorders mediated by tachykinins. Such disorders are respiratory, inflammatory, gastrointestinal, ophthalmic, allergies, pain, vascular, diseases of the central nervous system, and migraine. Methods of preparing compounds and novel intermediates are also included. The compounds are expected to be especially useful in asthma and rheumatoid arthritis.
    Type: Grant
    Filed: October 8, 1998
    Date of Patent: November 9, 1999
    Assignee: Warner-Lambert Company
    Inventors: David Christopher Horwell, William Howson, Martyn Clive Pritchard, Edward Roberts, David Charles Rees
  • Patent number: 5856354
    Abstract: The invention concerns tachykinin antagonists. The compounds are neopeptides which have utility in treating disorders mediated by tachykinins. Such disorders are respiratory, inflammatory, gastrointestinal, ophthalmic, allergies, pain, vascular, diseases of the central nervous system, and migraine. Methods of preparing compounds and novel intermediates are also included. The compounds are expected to be especially useful in asthma and rheumatoid arthritis.
    Type: Grant
    Filed: October 17, 1997
    Date of Patent: January 5, 1999
    Assignee: Warner-Lambert Company
    Inventors: David Christopher Horwell, William Howson, Martyn Clive Pritchard, Edward Roberts, David Charles Rees
  • Patent number: 5767088
    Abstract: The small compounds of the instant invention are tachykinin antagonists. The compounds are highly selective and functional NK.sub.3 antagonists expected to be useful in the treatment of pain, depression, anxiety, panic, schizophrenia, neuralgia, addiction disorders, inflammatory diseases, gastrointestinal disorders, vascular disorders, and neuropathological disorders.
    Type: Grant
    Filed: September 4, 1996
    Date of Patent: June 16, 1998
    Assignee: Warner-Lambert Company
    Inventors: David Christopher Horwell, William Howson, Martyn Clive Pritchard, Jennifer Raphy
  • Patent number: 5716979
    Abstract: The invention concerns tachykinin antagonists. The compounds are nonpeptides which have utility in treating disorders mediated by tachykinins. Such disorders are respiratory, inflammatory, gastrointestinal, ophthalmic, allergies, pain, vascular, diseases of the central nervous system, and migraine. Methods of preparing compounds and novel intermediates are also included.The compounds are expected to be especially useful in asthma and rheumatoid arthritis.
    Type: Grant
    Filed: October 8, 1996
    Date of Patent: February 10, 1998
    Assignee: Warner-Lambert Company
    Inventors: David Christopher Horwell, William Howson, Martyn Clive Pritchard, Edward Roberts, David Charles Rees
  • Patent number: 5610176
    Abstract: The invention concerns tachykinin antagonists. The compounds are alcohols, amines and prodrugs of nonpeptides which have utility in treating disorders mediated by tachykinins. Such disorders are respiratory, inflammatory, gastrointestinal, ophthalmic, allergies, pain, vascular, diseases of the central nervous system, and migraine. Methods of preparing compounds and novel intermediates are also included.The compounds are expected to be especially useful in asthma, multiple sclerosis, rheumatoid arthritis, the management of pain, migraine, and antiemetic agents.
    Type: Grant
    Filed: September 7, 1995
    Date of Patent: March 11, 1997
    Assignee: Warner-Lambert Company
    Inventors: David C. Horwell, William Howson, Martyn C. Pritchard
  • Patent number: 5610145
    Abstract: The small compounds of the instant invention are tachykinin antagonists. The compounds are highly selective and functional NK.sub.3 antagonists expected to be useful in the treatment of pain, depression, anxiety, panic, schizophrenia, neuralgia, addiction disorders, inflammatory diseases, gastrointestinal disorders, vascular disorders, and neuropathological disorders.
    Type: Grant
    Filed: November 29, 1994
    Date of Patent: March 11, 1997
    Assignee: Warner-Lambert Company
    Inventors: David C. Horwell, William Howson, Martyn C. Pritchard, Jennifer Raphy
  • Patent number: 5594022
    Abstract: The invention concerns tachykinin antagonists. The compounds are nonpeptides which have utility in treating disorders mediated by tachykinins. Such disorders are respiratory, inflammatory, gastrointestinal, ophthalmic, allergies, pain, vascular, diseases of the central nervous system, and migraine. Methods of preparing compounds and novel intermediates are also included.The compounds are expected to be especially useful in asthma and rheumatoid arthritis.
    Type: Grant
    Filed: November 29, 1994
    Date of Patent: January 14, 1997
    Assignee: Warner-Lambert Company
    Inventors: David C. Horwell, William Howson, Martyn C. Pritchard, Edward Roberts, David C. Rees
  • Patent number: 5554644
    Abstract: The compounds of the instant invention are ligands for the NK.sub.2 receptor. The compounds are modified at the C-terminus to provide various amide isostere derivatives expected to be useful in treating obesity, anxiety, gastrointestinal ulcers, pain, stroke, and inflammation. Pharmaceutical compositions and methods of using the compounds are also included.
    Type: Grant
    Filed: June 8, 1994
    Date of Patent: September 10, 1996
    Assignee: Warner-Lambert Company
    Inventors: David C. Horwell, William Howson, Simon Osborne
  • Patent number: 5047418
    Abstract: A pharmaceutical composition is described which comprises a pharmaceutically acceptable carrier and a compound of the formula (1): ##STR1## or a pharmaceutically acceptable salt thereof wherein X is CH.sub.2 or S, in an amount sufficient to stimulate selectively histamine H.sub.3 -receptors.
    Type: Grant
    Filed: July 20, 1990
    Date of Patent: September 10, 1991
    Assignee: Smith Kline & French Laboratories Limited
    Inventor: William Howson