Patents Represented by Attorney, Agent or Law Firm B. Timothy Creagan
  • Patent number: 7931030
    Abstract: The invention provides viscosupplementation methods for treating osteoarthritis and joint injury with HA-based viscosupplements, particularly viscosupplements with an intra-articular residence half-life shorter than 3 weeks. Viscosupplements for use in the methods of the invention may be further characterized in that they contain less than 20 mg/ml HA, at least 5% (w/w) of which is in a gel form, such as, e.g., hylan B. In an illustrative embodiment, hylan G-F 20 (Synvisc®) is administered in a single intra-articular knee injection of 6±2 ml.
    Type: Grant
    Filed: December 20, 2005
    Date of Patent: April 26, 2011
    Assignee: Genzyme Corporation
    Inventor: François Bailleul
  • Patent number: 7579471
    Abstract: The present invention provides compounds of formula (I) wherein X, Y, R1, R2 and R3 are as defined hereinabove. The compounds of the present invention are modulators, especially antagonists, of the activity of chemokine CCR5 receptors. Modulators of the CCR5 receptor may be useful in the treatment of various inflammatory diseases and conditions, and in the treatment of infection by HIV and genetically related retroviruses.
    Type: Grant
    Filed: April 4, 2007
    Date of Patent: August 25, 2009
    Assignee: Pfizer, Inc.
    Inventors: Patricia Ann Basford, Peter Thomas Stephenson, Stefan Colin John Taylor, Anthony Wood
  • Patent number: 7576097
    Abstract: The present invention provides compounds of the formula: wherein R1 is C3-6 cycloalkyl optionally substituted by one or more fluorine atoms, or C1-6 alkyl optionally substituted by one or more fluorine atoms, or C3-6 cycloalkylmethyl optionally ring-substituted by one or more fluorine atoms; and R2 is phenyl optionally substituted by one or more fluorine atoms, to pharmaceutically acceptable salts and solvates thereof, and to processes for the preparation of, intermediates used in the preparation of, compositions containing and the uses of, such compounds.
    Type: Grant
    Filed: January 31, 2008
    Date of Patent: August 18, 2009
    Assignee: Pfizer, Inc.
    Inventors: Manoussos Perros, David Anthony Price, Blanda Luzia Christa Stammen, Anthony Wood
  • Patent number: 7557100
    Abstract: Described herein are antibacterial compounds, methods for making the compounds, pharmaceutical compositions containing the compounds and methods of treating bacterial infections utilizing the compounds and pharmaceutical composition.
    Type: Grant
    Filed: December 19, 2006
    Date of Patent: July 7, 2009
    Assignee: Pfizer Inc.
    Inventors: Timothy A. Johnson, Dennis J. McNamara, Debra A. Sherry, Peter Laurence Toogood
  • Patent number: 7534810
    Abstract: Novel salt forms of [R-(R*,R*)]-2-(4-fluorophenyl)-?,?-dihydroxy-5-(1-methylethyl)-3-phenyl-4-[(phenylamino)carbonyl]-1H-pyrrole-1-heptanoic acid characterized by their X-ray powder diffraction pattern and solid-state NMR spectra are described, as well as methods for the preparation and pharmaceutical composition of the same, which are useful as agents for treating hyperlipidemia, hypercholesterolemia, osteoporosis, benign prostatic hyperplasia, and Alzheimer's Disease.
    Type: Grant
    Filed: July 9, 2008
    Date of Patent: May 19, 2009
    Assignee: Pfizer Inc.
    Inventors: Anthony Michael Campeta, Joseph F. Krzyzaniak, Jason Albert Leonard
  • Patent number: 6835386
    Abstract: The present invention provides a device, preferably a collar or ear tag, capable of the controlled, sustained release of an effective amount of an active ingredient that can protect an animal against arthropod pests, comprising a reservoir containing a novel gel formulation comprising a fatty acid, an organic solvent which is a linear aliphatic ester, a silicone-based fluid, or a combination thereof, and an active ingredient that can protect the animal against one or more arthropod pests.
    Type: Grant
    Filed: October 18, 2002
    Date of Patent: December 28, 2004
    Assignee: Pfizer Inc.
    Inventor: Luis Gutierrez
  • Patent number: 6825327
    Abstract: The invention relates to processes for preparing compounds of formula 1 wherein R3 is as defined herein, and to pharmaceutically acceptable salts thereof, as well as intermediates useful in such processes. The compounds of formula 1 are antibacterial agents that may be used to treat various bacterial and protozoa infections. The invention also relates to pharmaceutical compositions containing compounds prepared by the processes of the invention and to methods of treating bacterial protozoa infections by administering such compounds.
    Type: Grant
    Filed: April 25, 2002
    Date of Patent: November 30, 2004
    Assignee: Pfizer Inc.
    Inventors: Constantine Sklavounos, John L. Tucker, Lulin Wei, Kerry P. Mahon, Philip Hammen, Joanna T. Negri, Richard S. Lehner
  • Patent number: 6673801
    Abstract: Dihydroxyhexanoic acid derivatives of the general formula are useful to treat inflammation and other immune disorders.
    Type: Grant
    Filed: March 2, 2000
    Date of Patent: January 6, 2004
    Assignee: Pfizer Inc.
    Inventors: John Charles Kath, Mathew Frank Brown, Christopher Stanley Poss
  • Patent number: 6670362
    Abstract: Compounds of formula (I), pharmaceutical formulations thereof and the use of such compounds for treating endothelin mediated diseases or conditions are described herein. The compounds of the present invention have affinity for endothelin receptors, are selective for ETA over ETB, and thus are useful in the treatment of conditions mediated by endothelin.
    Type: Grant
    Filed: September 12, 2001
    Date of Patent: December 30, 2003
    Assignee: Pfizer Inc.
    Inventors: Bernard Joseph Banks, Anthony Logan Chubb, Douglas James Critcher, James John Eshelby, Darren John Schulz
  • Patent number: 6583274
    Abstract: Novel crystalline forms of a compound of Formula 1 are disclosed: Also disclosed are pharmaceutical compositions comprising these forms, and methods of their preparation and use.
    Type: Grant
    Filed: May 2, 2000
    Date of Patent: June 24, 2003
    Assignee: Pfizer Inc.
    Inventors: Douglas J. M. Allen, Barry J. Morton, Robert J. Rafka, Colman B. Ragan
  • Patent number: 6570020
    Abstract: A process for preparing a compound of the formula useful as a non-steroidal glucocorticoid receptor modulator.
    Type: Grant
    Filed: October 22, 2001
    Date of Patent: May 27, 2003
    Assignee: Pfizer Inc.
    Inventors: Jerry A. Murry, Timothy D. White
  • Patent number: 6538009
    Abstract: The present invention relates to compounds of the formula wherein R1, R2, R3, R4, R5, R6, R7, R8, R9, R10, n, p, W, X, Y and Z are defined as in the specification, to pharmaceutical compositions containing them and to their medicinal use. The compounds of the invention are useful in the treatment or alleviation of inflammation and other inflammation associated disorders, such as arthritis, colon cancer, and Alzheimer's disease in mammals, preferably humans, dogs, cats, horses and livestock.
    Type: Grant
    Filed: April 2, 2001
    Date of Patent: March 25, 2003
    Assignee: Pfizer, Inc.
    Inventor: Subas Man Sakya
  • Patent number: 6531492
    Abstract: The present invention relates to compounds of the formula wherein R2, R3, R6 and A are defined as in the specification, to pharmaceutical compositions containing them and to their medicinal use. The compounds of the invention are useful in the treatment or alleviation of inflammation and other inflammation associated disorders, such as osteoarthritis, rheumatoid arthritis, colon cancer and Alzheimer's disease, in mammals (preferably humans, dogs, cats and livestock).
    Type: Grant
    Filed: November 28, 2000
    Date of Patent: March 11, 2003
    Assignee: Pfizer Inc.
    Inventors: Kristin M. Lundy, Hengmiao Cheng, Subas M. Sakya, Jin Li, Martha L. Minich, Chikara Uchida
  • Patent number: 6518251
    Abstract: The invention relates to compounds of Formula 1 and to pharmaceutically acceptable salts, solvates, and prodrugs thereof, wherein X, Y, Z, R1, R2, R3, R4, and R5 are defined herein. The invention further relates to methods of making compounds of Formula 1 and to pharmaceutical compositions comprising compounds of Formula 1. The invention is also related to methods of treating diseases and disorders such as, but not limited to, bacterial and protozoal infections which comprise the administration of a compound of Formula 1, or a pharmaceutically acceptable salt, solvate, or prodrug thereof.
    Type: Grant
    Filed: November 17, 2000
    Date of Patent: February 11, 2003
    Assignee: Pfizer Inc.
    Inventors: Hengmiao Cheng, Chao Li
  • Patent number: 6506779
    Abstract: The present invention relates to compounds of the formula wherein R1, R2, R3, R4, R5, R6, X and Y are defined as in the specification, to pharmaceutical compositions containing them and to their medicinal use. The compounds of the invention are useful in the treatment or alleviation of inflammation and other inflammation associated disorders, such as arthritis, colon cancer, and Alzheimer's disease in mammals, preferably humans, dogs, cats and livestock.
    Type: Grant
    Filed: November 28, 2000
    Date of Patent: January 14, 2003
    Assignee: Pfizer Inc.
    Inventors: Hengmiao Cheng, Akiyoshi Kawai
  • Patent number: 6403587
    Abstract: Compounds of the formula wherein R1, R2, R3, R4, R5 and R6 are as described in the specification are useful to treat inflammation and other immune disorders.
    Type: Grant
    Filed: May 18, 2000
    Date of Patent: June 11, 2002
    Assignee: Pfizer Inc.
    Inventors: John Charles Kath, Matthew Frank Brown, Christopher Stanley Poss
  • Patent number: 6255333
    Abstract: Parasiticidal pyrazole derivatives of formula (I) wherein: R1 represents CN, C1-6 alkoxycarbonyl, NO2, CHO, C1-6 alkanoyl, phenyl optionally substituted by one or more halogen, or C1-6 alkyl optionally substituted by one or more halogen; R2 represents a group of formula (II), (III) or (IV) in which: R7 represents H, halogen, carbamoyl, cyano, tri(C1-6 alkyl)silyl, C1-6 alkyl (optionally substituted by one or more halogen, OH or C1-6 alkoxy), C1-6 alkoxycarbonyl, phenyl, or a 5- or 6-membered ring heterocycle which is saturated or partially or fully unsaturated and contains up to 4 hetero-atoms independently selected from up to 4 N atoms, up to 2 O atoms and up to 2 S atoms and which is attached to the alkynyl moiety by an available C, S or N atom where the valence allows; and R8, R9 and R10 each independently represents H, halogen, phenyl optionally substituted by one or more halogen, CN or C1-6 alkyl optionally substituted by one or more halogen; R3 represents H, C1-6 alkyl, halogen, NH2, NH(C1-6 alkanoyl),
    Type: Grant
    Filed: February 11, 1998
    Date of Patent: July 3, 2001
    Assignee: Pfizer Inc.
    Inventor: Bernard Joseph Banks
  • Patent number: 6207829
    Abstract: A process is provided for the preparation of a compound of formulae (IA) (sidenafil) and (IB) comprising reacting a compound of formula (IIA) and (IIB) respectively in the presence of —OR, wherein R in the case of formation of compound (IA) is CH2CH3 and R in the case of formation of compound (IB) is CH2CH2CH3, where X is a leaving group:
    Type: Grant
    Filed: October 8, 1999
    Date of Patent: March 27, 2001
    Assignee: Pfizer Inc.
    Inventors: Peter James Dunn, Philip Charles Levett
  • Patent number: 6174895
    Abstract: A compound of the formula or the pharmaceutically acceptable salt thereof, wherein R1, R2 and R3 are as defined above, useful in the treatment of respiratory, allergic, rheumatoid, body weight regulation, inflammatory and central nervous system disorders such as asthma, chronic obstructive pulmonary disease, adult respiratory diseases syndrome, toxic shock, fibrosis, pulmonary hypersensitivity, allergic rhinitis, atopic dermatitis, psoriasis, weight control, rheumatoid arthritis, cachexia, Crohn's disease, ulcerative colitis, arthritic conditions and other inflammatory diseases, depression, multi-infarct dementia and AIDS.
    Type: Grant
    Filed: August 11, 1999
    Date of Patent: January 16, 2001
    Assignee: Pfizer Inc.
    Inventor: Edward Fox Kleinman
  • Patent number: D499023
    Type: Grant
    Filed: July 15, 1998
    Date of Patent: November 30, 2004
    Assignee: Pfizer, Inc.
    Inventors: Edward Michael Amos, Bruce Irvin Groves, Rodney L Laible