Patents Assigned to Merck Frosst Canada, Inc.
  • Bis(aryloxy)alkanes as inhibitors of phospholipase A.sub.2 enzymes
    Patent number: 5453443
    Abstract: Compounds having the formula I: ##STR1## are inhibitors of the PLA.sub.2 s enzymes. These compounds are useful as anti-allergic, anti-asthmatic, they are also useful in treating various inflammatory diseases such as rheumatoid arthritis, osteoarthritis, bursitis, psoriasis; immunoinflammatory disorders such as contact dermatitis, irritable bowel disease and the like.
    Type: Grant
    Filed: July 20, 1994
    Date of Patent: September 26, 1995
    Assignee: Merck Frosst Canada, Inc.
    Inventors: Helene Perrier, Petpiboon Prasit, Ian Street, Zhaoyin Wang
  • Heteroaryl and haloaryl quinoline derivatives of cyclopropaneacetic acid as leukotriene antagonists
    Patent number: 5438141
    Abstract: Compounds having the formula I: ##STR1## are antagonists of the actions of leukotrienes. These compounds are useful as anti-asthmatic, anti-allergic, anti-inflammatory, and cytoprotective agents. They are also useful in treating angina, cerebral spasm, glomerular nephritis, hepatitis, endotoxemia, uveitis, and allograft rejection.
    Type: Grant
    Filed: May 21, 1993
    Date of Patent: August 1, 1995
    Assignee: Merck Frosst Canada, Inc.
    Inventors: Marc LaBell, Yves LeBlanc, Michel Belley, Erich L. Grimm, Daniel Guay, Yi B. Xiang
  • 1-aroyl-3-indolyl alkanoic acids and derivatives thereof useful as anti-inflammatory agents
    Patent number: 5436265
    Abstract: Compounds of the structures shown below are specific inhibitors of cyclooxygenase-2 useful in the treatment of cyclooxygenase-2 mediated disease states such as inflammation, pain and fever, and are non-ulcerogenic.
    Type: Grant
    Filed: November 12, 1993
    Date of Patent: July 25, 1995
    Assignee: Merck Frosst Canada, Inc.
    Inventors: Cameron Black, Joseph A. Mancini, Cheuk K. Lau, Petpiboon Prasit, Philip J. Vickers
  • Enteric coated oral compositions containing bisphosphonic acid antihypercalcemic agents
    Patent number: 5431920
    Abstract: The present invention relates to a novel oral dosage form of a bisphosphonic active ingredient for use in treatment of diseases involving bone resorption and formulated in an enteric-coated form for administration to subjects exhibiting upper gastrointestinal tract sensitivity to bisphosphonic acid compounds.
    Type: Grant
    Filed: September 21, 1993
    Date of Patent: July 11, 1995
    Assignee: Merck Frosst, Canada, Inc.
    Inventor: Simon R. Bechard
  • 2-substituted quinoline dioic acids
    Patent number: 5428171
    Abstract: Compounds having the formula: ##STR1## are antagonists of leukotrienes and inhibitors of their biosynthesis. These compounds are useful as anti-asthmatic, anti-allergic, anti-inflammatory, and cytoprotective agents.
    Type: Grant
    Filed: May 26, 1989
    Date of Patent: June 27, 1995
    Assignee: Merck Frosst Canada, Inc.
    Inventors: Robert N. Young, Robert Zamboni, Serge Leger
  • Saturated hydroxyalkylquinoline acids as leukotriene antagonists
    Patent number: 5428033
    Abstract: Compounds having the formula I: ##STR1## are leukotriene antagonists and inhibitors of leukotriene biosynthesis. These compounds are useful as anti-asthmatic, anti-allergic, anti-inflammatory, and cytoprotective agents. They are also useful in treating angina, cerebral spasm, glomerular nephritis, hepatitis, endotoxemia, uveitis, and allograft rejection.
    Type: Grant
    Filed: October 10, 1991
    Date of Patent: June 27, 1995
    Assignee: Merck Frosst Canada, Inc.
    Inventors: Michel L. Belley, Serge Leger, Patrick Roy, Yi B. Xiang, Marc Labelle
  • Heteroarylnaphthalene lactones as inhibitors of leukotriene biosynthesis
    Patent number: 5428060
    Abstract: Compounds having the formula I: ##STR1## are inhibitors of leukotriene biosynthesis. These compounds are useful as anti-asthmatic, anti-allergic, anti-inflammatory, and cytoprotective agents. They are also useful in treating angina, cerebral spasm, glomerular nephritis, hepatitis, endotoxemia, uveitis, and allograft rejection and in preventing the formation of atherosclerotic plaques.
    Type: Grant
    Filed: August 27, 1992
    Date of Patent: June 27, 1995
    Assignee: Merck Frosst Canada, Inc.
    Inventors: Yves Ducharme, John W. Gillard, Rejean Fortin, Daniel Dube, Yves Girard, Pierre Hamel, Daniel Delorme
  • Phenylnaphthalene hydroxy acids
    Patent number: 5426109
    Abstract: Compounds having the formula I: ##STR1## are inhibitors of leukotriene biosynthesis. These compounds are useful as anti-asthmatic, anti-allergic, anti-inflammatory, and cytoprotective agents. They are also useful in treating angina, cerebral spasm, glomerular nephritis, hepatitis, endotoxemia, uveitis, and allograft rejection and in preventing the formation of atherosclerotic plaques.
    Type: Grant
    Filed: August 27, 1992
    Date of Patent: June 20, 1995
    Assignee: Merck Frosst Canada, Inc.
    Inventors: Yves Girard, Pierre Hamel
  • Heteroaryl coumarins as inhibitors of leukotriene biosynthesis
    Patent number: 5424320
    Abstract: Compounds having the formula I: ##STR1## are inhibitors of leukotriene biosynthesis. These compounds are useful as anti-asthmatic, anti-allergic, anti-inflammatory, and cytoprotective agents. They are also useful in treating angina, cerebral spasm, glomerular nephritis, hepatitis, endotoxemia, uveitis, and allograft rejection and in preventing the formation of atherosclerotic plaques.
    Type: Grant
    Filed: June 23, 1993
    Date of Patent: June 13, 1995
    Assignee: Merck Frosst Canada, Inc.
    Inventors: Rejean Fortin, Yves Girard, Erich Grimm, John Hutchinson, John Scheigetz
  • Heteroaryl quinolines as inhibitors of leukotriene biosynthesis
    Patent number: 5410054
    Abstract: Compounds having the formula I: ##STR1## are inhibitors of leukotriene biosynthesis. These compounds are useful as anti-asthmatic, anti-allergic, anti-inflammatory, and cytoprotective agents. They are also useful in treating angina, cerebral spasm, glomerular nephritis, hepatitis, endotoxemia, uveitis, and allograft rejection and in preventing the formation of atherosclerotic plaques.
    Type: Grant
    Filed: July 20, 1993
    Date of Patent: April 25, 1995
    Assignee: Merck Frosst Canada, Inc.
    Inventors: Rick Friesen, Robert N. Young, Yves Girard, Marc Blouin, Daniel Dube
  • Alkanesulfonamido-1-indanone derivatives as inhibitors of cyclooxygenase
    Patent number: 5409944
    Abstract: Disclosed are compounds of Formula I useful in the treatment of cyclooxygenase mediated diseases such as pain, fever and inflammation of a variety of conditions including rheumatic fever, symptoms associated with influenza or other viral infections, common cold, low back and neck pain, dysmenorrhea, headache, toothache, sprains and strains, myositis, neuralgia, synovitis, arthritis, including rheumatoid arthritis degenerative joint diseases (osteoarthritis), gout and ankylosing spondylitis, bursitis, burns, injuries.
    Type: Grant
    Filed: March 12, 1993
    Date of Patent: April 25, 1995
    Assignee: Merck Frosst Canada, Inc.
    Inventors: W. Cameron Black, Chun-Sing Li, Daniel Guay, Petpiboon Prasit, Patrick Roy
  • (Azaarylmethoxy)indoles as inhibitors of leukotriene biosynthesis
    Patent number: 5389650
    Abstract: Compounds having the formula I: ##STR1## are inhibitors of leukotriene biosynthesis. These compounds are useful as anti-asthmatic, anti-allergic, anti-inflammatory, and cytoprotective agents. They are also useful in treating diarrhea, hypertension, angina, platelet aggregation, cerebral spasm, premature labor, spontaneous abortion, dysmenorrhea, and migraine.
    Type: Grant
    Filed: September 25, 1992
    Date of Patent: February 14, 1995
    Assignee: Merck Frosst Canada, Inc.
    Inventors: Richard Frenette, John W. Gillard, John H. Hutchinson, Petpiboon Prasit, Michel Therien
  • (Quinolin-2-ylmethoxy)indoles as inhibitors of the biosynthesis of leukotrienes
    Patent number: 5380850
    Abstract: Compounds having the formula I: ##STR1## are inhibitors of leukotriene biosynthesis. These compounds are useful as anti-asthmatic, anti-allergic, anti-inflammatory, and cytoprotective agents. They are also useful in treating diarrhea, hypertension, angina, platelet aggregation, cerebral spasm, premature labor, spontaneous abortion, dysmenorrhea, and migraine.
    Type: Grant
    Filed: December 16, 1993
    Date of Patent: January 10, 1995
    Assignee: Merck Frosst Canada, Inc.
    Inventors: Petpiboon Prasit, Rejean Fortin, John H. Hutchinson, Michel L. Belley, Serge Leger, Richard Frenette, John Gillard
  • Furo[3,2-b]pyridines and thieno[3,2-b]pyridines as inhibitors of leukotriene biosynthesis
    Patent number: 5374635
    Abstract: Compounds having the formula I: ##STR1## are inhibitors of leukotriene biosynthesis. These compounds are useful as anti-asthmatic, anti-allergic, anti-inflammatory, and cytoprotective agents. They are also useful in treating angina, cerebral spasm, glomemlar nephritis, hepatitis, endotoxemia, uveitis, and allograft rejection and in preventing the formation of atherosclerotic plaques.
    Type: Grant
    Filed: March 29, 1993
    Date of Patent: December 20, 1994
    Assignee: Merck Frosst Canada, Inc.
    Inventors: Serge Leger, John H. Hutchinson
  • Heteroaryl cinnamic acids as inhibitors of leukotriene biosynthesis
    Patent number: 5360815
    Abstract: Compounds having the formula I: ##STR1## are inhibitors of leukotriene biosynthesis. These compounds are useful as anti-asthmatic, anti-allergic, anti-inflammatory, and cytoprotective agents. They are also useful in treating angina, cerebral spasm, glomerular nephritis, hepatitis, endotoxemia, uveitis, and allograft rejection and in preventing the formation of atherosclerotic plaques.
    Type: Grant
    Filed: June 23, 1993
    Date of Patent: November 1, 1994
    Assignee: Merck Frosst Canada, Inc.
    Inventors: Rejean Fortin, Yves Girard, Erich Grimm, John Hutchinson, John Scheigetz
  • Aza-5,5-fused hetrocyclic acids as leukotriene antagonists
    Patent number: 5350760
    Abstract: Compounds having the formula I: ##STR1## are antagonists of the actions of leukotrienes. These compounds are useful as anti-asthmatic, anti-allergic, anti-inflammatory, and cytoprotective agents. They are also useful in treating angina, cerebral spasm, glomerular nephritis, hepatitis, endotoxemia, uveitis, and allograft rejection.
    Type: Grant
    Filed: August 4, 1993
    Date of Patent: September 27, 1994
    Assignee: Merck Frosst Canada, Inc.
    Inventors: Mark LaBelle, Yibin Xiang, Claude Dufresne, Michel Belley
  • Phenylnaphthalene lactones as inhibitors of leukotriene biosynthesis
    Patent number: 5350744
    Abstract: Compounds having the formula I: ##STR1## are inhibitors of leukotriene biosynthesis. These compounds are useful as anti-asthmatic, anti-allergic, anti-inflammatory, and cytoprotective agents. They are also useful in treating angina, cerebral spasm, glomerular nephritis, hepatitis, endotoxemia, uveitis, and allograft rejection and in preventing the formation of atherosclerotic plaques.
    Type: Grant
    Filed: August 27, 1992
    Date of Patent: September 27, 1994
    Assignee: Merck Frosst Canada, Inc.
    Inventors: Yves Girard, Pierre Hamel
  • Bicyclic(azaaromatic)indoles as inhibitors of leukotriene bisynthesis
    Patent number: 5334719
    Abstract: Compounds having the formula I: ##STR1## are inhibitors of leukotriene biosynthesis. These compounds are useful as anti-asthmatic, anti-allergic, anti-inflammatory, and cytoprotective agents. They are also useful in treating diarrhea, hypertension, angina, platelet aggregation, cerebral spasm, premature labor, spontaneous abortion, dysmenorrhea, and migraine.
    Type: Grant
    Filed: June 17, 1992
    Date of Patent: August 2, 1994
    Assignee: Merck Frosst Canada, Inc.
    Inventor: Richard Frenette
  • Indole carbamates as leukotriene antagonists
    Patent number: 5334597
    Abstract: Compounds having the formula I: ##STR1## are antagonists of the actions of leukotrienes. These compounds are useful as anti-asthmatic, anti-allergic, anti-inflammatory, and cytoprotective agents. They are also useful in treating angina, cerebral spasm, glomerular nephritis, hepatitis, endotoxemia, uveitis, and allograft rejection.
    Type: Grant
    Filed: October 17, 1991
    Date of Patent: August 2, 1994
    Assignee: Merck Frosst Canada, Inc.
    Inventors: Petpiboon Prasit, Marc Blouin
  • Amorphous (quinolin-2-ylmethoxy)indole compounds useful for treating inflammatory diseases
    Patent number: 5321033
    Abstract: A form of 3-[N-(p-chlorobenzyl)-3-(t-butylthio)-5-(quinolin-2-ylmethoxy)indol-2-yl]- 2,2-dimethylpropanoic acid sodium salt, obtained by freeze or spray drying, is more soluble in water than the crystalline form thereof. The compound is useful as an anti-asthmatic, anti-allergic, anti-inflammatory, or cytoprotective agent. It is also useful in treating diarrhea, hypertension, angina, platelet aggregation, cerebral spasm, premature labor, spontaneous abortion, dysmenorrhea, and migraine.
    Type: Grant
    Filed: July 26, 1993
    Date of Patent: June 14, 1994
    Assignee: Merck Frosst Canada, Inc.
    Inventors: Brian Down, John H. Hutchinson