Patents Represented by Attorney, Agent or Law Firm Valerie J. Camara
  • Patent number: 7968578
    Abstract: The invention is directed to indole amide derivatives as EP4 receptor antagonists useful for the treatment of EP4 mediated diseases or conditions, such as acute and chronic pain, osteoarthritis, rheumatoid arthritis and cancer. Pharmaceutical compositions and methods of use are also included.
    Type: Grant
    Filed: April 23, 2007
    Date of Patent: June 28, 2011
    Assignee: Merck Frosst Canada Ltd.
    Inventors: Michael Boyd, John Colucci, Zhaoyin Wang
  • Patent number: 7943649
    Abstract: The invention encompasses novel compounds of Formula I or pharmaceutically acceptable salts thereof. These compounds are inhibitors of the microsomal prostaglandin E synthase-1 (mPGES-1) enzyme and are therefore useful to treat pain and/or inflammation from a variety of diseases or conditions, such as osteoarthritis, rheumatoid arthritis and acute or chronic pain. Methods of treating diseases or conditions mediated by the mPGES-1 enzyme and pharmaceutical compositions are also encompassed.
    Type: Grant
    Filed: October 24, 2008
    Date of Patent: May 17, 2011
    Assignee: Merck Frosst Canada Ltd.
    Inventors: Anh Chau, Bernard Cote, Yves Ducharme, Richard Frenette, Richard Friesen, Marc Gagnon, Andre Giroux, Evelyn Martins, Hongping Yu, Tom Wu
  • Patent number: 6835860
    Abstract: Iodohydroxylated olefins can be prepared by treating an olefin with an aqueous solution of an iodine monohalide selected from iodine monochloride and iodine monobromide.
    Type: Grant
    Filed: January 31, 2003
    Date of Patent: December 28, 2004
    Assignee: Merck & Co., Inc.
    Inventors: Yongkui Sun, Thorsten Rosner
  • Patent number: 6835548
    Abstract: The invention includes mouse serotonin 5-HT2c receptor isoforms having amino acid replacements at one or more positions of the natural mouse serotonin 5-HT2c receptor polypeptide sequence, specifically at one or more of positions 157, 159 and 161. The polypeptides are useful for identifying ligands which bind with the serotonin 5-HT2c receptor and modulators of the serotonin 5-HT2c, and for identifying drugs with affinity for 5-HT2 receptors which are used to treat schizophrenia, Parkinsonism, and anxiety disorders.
    Type: Grant
    Filed: December 17, 2002
    Date of Patent: December 28, 2004
    Assignee: Merck & Company, Inc.
    Inventors: Tong M. Fong, Jie Liu, Leonardus H.T. Van Der Ploeg
  • Patent number: 6689761
    Abstract: The combination of the HIV protease inhibitor Compound J, 3TC, and, optionally AZT, ddI, or ddC, is useful in the inhibition of HIV protease, the inhibition of HIV reverse transcriptase, the prevention or treatment of infection by HIV and the treatment of AIDS, either as compounds, pharmaceutically acceptable salts, pharmaceutical composition ingredients, whether or not in combination with other antivirals, immunomodulators, antibiotics or vaccines. Methods of treating AIDS and methods of preventing or treating infection by HIV are also described.
    Type: Grant
    Filed: February 1, 1995
    Date of Patent: February 10, 2004
    Assignee: Merck & Co., Inc.
    Inventors: Jeffrey A. Chodakewitz, Emilio A. Emini
  • Patent number: 6680340
    Abstract: This invention provides a drug combination comprised of a thyroid hormone receptor beta agonist with a fibrate in therapeutically effective amounts, which is useful for reducing cholesterol synthesis, lowering plasma cholesterol levels and lowering plasma triglyceride levels.
    Type: Grant
    Filed: February 13, 2003
    Date of Patent: January 20, 2004
    Assignee: Merck & Co., Inc.
    Inventors: Kang Cheng, Samuel D. Wright, Tsuei-Ju Wu
  • Patent number: 6649761
    Abstract: A process for preparing &ggr;-hydroxy-4-[[2-oxazolyl]alkyl]-&agr;-[(cyclo)alkyl- or aryl- or heteroaryl-substituted methyl]-2-[[(un)substituted alkyl]aminocarbonyl]-1-piperazinepentanamides is disclosed. The piperazinepentanamides are useful as HIV protease inhibitors. A process for making a 4-[[2-oxazolyl]alkyl]-2-[[(un)substituted alkyl]aminocarbonyl]piperazine by treating a ketoamide precursor with fuming sulfuric acid in the presence of polyphosphoric acid is also disclosed. In addition, a process for enhancing the optical purity of 4-[[2-oxazolyl]alkyl]-2-[[(un)substituted alkyl]aminocarbonyl]-piperazines via the formation 2-naphthalenesulfonic acid crystal salts thereof is disclosed, as well as a method for purifying 2-naphthalenesulfonic acid.
    Type: Grant
    Filed: May 30, 2002
    Date of Patent: November 18, 2003
    Assignee: Merck & Co., Inc.
    Inventors: Norihiro Ikemoto, Jinchu Liu
  • Patent number: 6645961
    Abstract: This invention relates to a dry granulation capsule formulation of the HIV protease inhibitor, indinavir sulfate, which is useful in the treatment of AIDS, ARC or HIV infection. Processes for making the oral formulation are also disclosed.
    Type: Grant
    Filed: March 4, 1998
    Date of Patent: November 11, 2003
    Assignee: Merck & Co., Inc.
    Inventors: Chung Y. Lui, Drazen Ostovic, Ashok V. Katdare, Christine Stelmach
  • Patent number: 6642237
    Abstract: &ggr;-Hydroxy-2-(fluoroalkylaminocarbonyl)-1-piperazinepentanamide compounds are inhibitors of HIV protease and inhibitors of HIV replication. These compounds are useful in the prevention or treatment of infection by HV and the treatment of AIDS, either as compounds, pharmaceutically acceptable salts, pharmaceutical composition ingredients, whether or not in combination with other antivirals, immunomodulators, antibiotics or vaccines. Methods of treating AIDS and methods of preventing or treating infection by HIV are also described. These compounds are effective against HIV viral mutants which are resistant to HIV protease inhibitors currently used for treating AIDS and HIV infection.
    Type: Grant
    Filed: November 21, 2000
    Date of Patent: November 4, 2003
    Assignee: Merck & Co., Inc.
    Inventors: James R. Tata, Kevin T. Chapman, Joseph Leslie Duffy, Nancy J. Kevin, Yuan Cheng, Thomas A. Rano, Fengqi Zhang, Tracy Huening, Brian Anthony Kirk, Zhijian Lu, Subharekha Raghavan, Fred J. Fleitz, Daniel E. Petrillo, Joseph D. Armstrong, III, Richard J. Varsolona, David Askin, R. Scott Hoerrner, Robert Purick
  • Patent number: 6639071
    Abstract: The instant invention describes a method for crystallizing (−)-6-chloro-4-cyclopropylethynyl-4-trifluoromethyl-1,4-dihydro-2H-3,1-benzoxazin-2-one from a solvent and anti-solvent system and producing the crystalline product. The desired final crystal form, Form I, can be produced when using methanol or ethanol. Form II is isolated from 2-propanol and can be converted to the desired crystal form at low drying temperatures, such as between about a temperature of 40° C. and 50° C.
    Type: Grant
    Filed: October 19, 2001
    Date of Patent: October 28, 2003
    Assignee: Merck & Co., Inc.
    Inventors: Louis S. Crocker, Joseph L. Kukura, II, Andrew S. Thompson, Christine Stelmach, Steven D. Young
  • Patent number: 6632836
    Abstract: The present invention relates to a class of carbocyclic compounds of Formula I that are useful as potassium channel inhibitors to treat autoimmune disorders, cardiac arrhythmias, and the like.
    Type: Grant
    Filed: October 21, 1999
    Date of Patent: October 14, 2003
    Assignee: Merck & Co., Inc.
    Inventors: Robert K. Baker, Jianming Bao, Jennifer Chee, Maria L. Garcia, Gregory J. Kaczorowski, Frank Kayser, Andrew Kotliar, Chou Juitsai Liu, Shouwu Miao, William H. Parsons, Kathleen M. Rupprecht, William A. Schmalhofer, Christopher F. Claiborne, David A. Claremon, Nigel Liverton, Wayne J. Thompson
  • Patent number: 6630510
    Abstract: This invention relates to novel substituted succinic acid metallo-&bgr;-lactamase inhibitors which are useful potentiators of &bgr;-lactam antibiotics. Accordingly, the present invention provides a method of treating bacterial infections in animals or humans which comprises administering, together with a b-lactam antibiotic, a therapeutically effective amount of a compound of formula I: including pharmaceutically acceptable salts, prodrugs, anhydrides, and solvates thereof.
    Type: Grant
    Filed: October 26, 2000
    Date of Patent: October 7, 2003
    Assignee: Merck & Co., Inc.
    Inventors: James M. Balkovec, Mark L. Greenlee, Steven H. Olson, Gregory P. Rouen
  • Patent number: 6620824
    Abstract: The present invention relates to a process for preparing a compound of gonadotropin releasing hormone antagonists having a Formula I, in an efficient way, which involves preparation of key intermediates: 2-arylindole core; a chiral aziridine, in particular chiral nosyl aziridine; and an amine salt. The key process involves the coupling reaction of 2-arylindole and nosyl aziridine under boron trifluoride catalysis, which provides the final compound with unprecedented regioselectivity and enantioselectivity.
    Type: Grant
    Filed: April 5, 2002
    Date of Patent: September 16, 2003
    Assignee: Merck & Co., Inc.
    Inventors: John Y. L. Chung, Roger N. Farr, Guy R. Humphrey
  • Patent number: 6610692
    Abstract: Compounds of the invention are useful in inhibiting thrombin and associated thrombotic occlusions having the following structure: or a pharmaceutically acceptable salt thereof, wherein b is NY or O; c is CY2 or N; d is CY3 or N; e is CY4 or N; f is CY5 or N; g is CY6 or N; Y4, Y5, and Y6 are independently hydrogen, C1-4 alkyl, or halogen; Y1 and Y2 are independently hydrogen, C1-4 alkyl, C3-7 cycloalkyl, halogen, NH2, OH or C1-4 alkoxy, and Y3 is hydrogen, C1-4 alkyl, C3-7 cycloalkyl, halogen, —CN, NH2, OH or C1-4 alkoxy; A is and W, W1, R1, R3, R4, R5, X and Z are defined in the specification.
    Type: Grant
    Filed: October 28, 1999
    Date of Patent: August 26, 2003
    Assignee: Merck & Co., Inc.
    Inventors: Philip E. Sanderson, Bruce D. Dorsey, Terry A. Lyle, Matthew G. Stanton, Donnette Staas, Adel M. Naylor-Olsen, Craig Coburn, Matthew M. Morrissette
  • Patent number: 6610701
    Abstract: Compounds of the invention are useful in inhibiting thrombin and treating blood coagulation and cardiovascular disorders and have the following structure: wherein R3 is hydrogen or halogen, and u is N or CH.
    Type: Grant
    Filed: February 8, 2002
    Date of Patent: August 26, 2003
    Assignee: Merck & Co., Inc.
    Inventors: James C. Barrow, Craig Coburn, Harold G. Selnick, Phung L. Ngo
  • Patent number: 6610822
    Abstract: There is disclosed a process for purifying a natural product using a two-phase, multi-solvent system followed by vacuum concentration and back extraction. The method allows for the removal of impurities by controlling the polarity balance of a two-phase system by manipulating the proportions of the four solvents and subsequently the relative distribution of the product versus the impurities.
    Type: Grant
    Filed: August 1, 2001
    Date of Patent: August 26, 2003
    Assignee: Merck & Co., Inc.
    Inventors: Martin A. Chandler, Kent E. Goklen, Steven S. Lee, David J. Roush
  • Patent number: 6603013
    Abstract: The present invention relates to a process wherein heterogeneous finely-dispersed palladium catalysts are used in a cross-coupling reaction of alkenyl halides and aryl or heteroaryl boronic acids in the presence of base in an aprotic solvent to produce aryl- or heteroaryl-olefin compounds of Formula I:
    Type: Grant
    Filed: July 16, 2001
    Date of Patent: August 5, 2003
    Assignee: Merck & Co., Inc.
    Inventors: Yongkui Sun, Carl LeBlond, John R. Sowa, Jr.
  • Patent number: 6552239
    Abstract: The present invention relates to a process for the preparation of cyclopropaneacetylene by reacting a ketophosphonate with a diazo-transfer reagent in the presence of non-nucleophilic base in an aprotic solvent to generate a reaction mixture containing a ketodiazophosphonate compound and then reacting the reaction mixture with cyclopropanecarboxaldehyde in a non-nucleophilic base and a protic solvent to yield cyclopropaneacetylene.
    Type: Grant
    Filed: October 27, 2000
    Date of Patent: April 22, 2003
    Assignee: Merck & Co., Inc.
    Inventor: Karel M. J. Brands
  • Patent number: 6548492
    Abstract: A novel process for preparing a stabilized, lyophilized carbapenem, antibiotic formulation suitable for intravenous administration to patients in need thereof, wherein the active ingredient is of formula II: The process entails compounding a unstable, monosodium salt carbapenem with a sodium bicarbonate solution at a temperature range of from about 0° to about 5° C. while maintaining a pH between about 7.0 and about 8.0, filtering the resultant solution, bottling under sterile conditions, and lyophilizing to produce the formulation.
    Type: Grant
    Filed: October 27, 2000
    Date of Patent: April 15, 2003
    Assignee: Merck & Co., Inc.
    Inventors: Anthony Al-Dehneh, William A. Hunke, Kathleen J. Illig, Anand Kanike, Hiren Patel, Scott D. Reynolds, Stelios C. Tsinontides
  • Patent number: 6548535
    Abstract: This invention relates to the use of potent potassium channel blockers or a formulation thereof in the treatment of glaucoma and other conditions related to elevated intraoccular pressure in the eye of a patient. This invention also relates to the use of such compounds to provide a neuroprotective effect to the eye of a mammalian species, particularly humans.
    Type: Grant
    Filed: January 17, 2001
    Date of Patent: April 15, 2003
    Assignee: Merck & Co., Inc.
    Inventors: Maria L. Garcia, Gregory J. Kaczorowski, Owen B. McManus