Patents Represented by Attorney Peter C. Richardson
  • Patent number: 6723719
    Abstract: Compounds of formulae (IA) and (IB) or pharmaceutically or veterinarily acceptable salts thereof, or pharmaceutically or veterinarily acceptable solvates of either entity, wherein R1 is C1 to C3 alkyl substituted with C3 to C6 cycloalkyl, CONR5R6 or a N-linked heterocyclic group; (CH2)nHet or (CH2)nAr; R2 is C1 to C6 alkyl; R3 is C1 to C6 alkyl optionally substituted with C1 to C4 alkoxy; R4 is SO2NR7R8; R5 and R6 are each independently selected from H and C1 to C4 alkyl optionally substituted with C1 to C4 alkoxy, or, together with the nitrogen atom to which they are attached, form a 5- or 6-membered heterocyclic group; R7 and R8, together with the nitrogen atom to which they are attached, form a 4-R10-piperazinyl group; R10 is H or C1 to C4 alkyl optionally substituted with OH, C1 to C4 alkoxy or CONH2; H is an optionally substituted C-linked 5- or 6-membered heterocyclic group; Ar is optionally substituted phenyl; and n is 0 or 1; are potent and selective cGMP PDE5 inhibitors useful in the treatment of, in
    Type: Grant
    Filed: September 29, 1999
    Date of Patent: April 20, 2004
    Assignee: Pfizer Inc
    Inventors: Mark Edward Bunnage, John Paul Mathias, Stephen Derek Albert Street, Anthony Wood
  • Patent number: 6720348
    Abstract: This invention relates to pharmaceutical compositions comprising combinations of a GABA agonist, a prodrug thereof or a pharmaceutically acceptable salt of said GABA agonist or said prodrug and an ARI, a prodrug thereof or a pharmaceutically acceptable salt of said ARI or said prodrug, kits containing such combinations and methods of using such combinations to treat mammals, including humans, suffering from diabetic complications such as diabetic neuropathy, diabetic nephropathy, diabetic cardiomyopathy, diabetic retinopathy, diabetic microangiopathy, diabetic macroangiopathy, cataracts or foot ulcers.
    Type: Grant
    Filed: November 29, 2001
    Date of Patent: April 13, 2004
    Assignee: Pfizer Inc
    Inventor: Banavara L. Mylari
  • Patent number: 6720330
    Abstract: Compounds according to the formula A—Z—W as herein described, wherein A is selected from the groups consisting of: A′—(CH2)n—, A′—(CH2)nSO2—, and A′—(CH2)nCO—, where n is 0 to 4; and A′ is selected from (a) (C6-C10)aryl-, or (b) (C1-C9)heteroaryl-; which groups may be optionally substituted; and pharmaceutically acceptable salts, solvates or hydrates thereof; pharmaceutical compositions thereof; and methods useful to facilitate secretion of growth hormone(GH) in mammals.
    Type: Grant
    Filed: September 17, 2001
    Date of Patent: April 13, 2004
    Assignee: Pfizer Inc.
    Inventors: Bruce A. Hay, Bridget M. Cole, Anthony P. Ricketts
  • Patent number: 6720351
    Abstract: The invention relates to triamide MTP/ApoB inhibitors of the formula 1 wherein R1-R8 are as defined in the specification, as well as pharmaceutical compositions and uses thereof, and processes for preparing the compounds. The compounds of the invention are useful for the treatment of obesity and lipid disorders.
    Type: Grant
    Filed: June 20, 2002
    Date of Patent: April 13, 2004
    Assignee: Pfizer Inc.
    Inventors: Peter Bertinato, Alan E. Blize, Brian S. Bronk, Hengmiao Cheng, Jin Li, Hiep Huatan, Clive Mason
  • Patent number: 6716978
    Abstract: This application is directed to therapeutically active compositions of matter are useful for treating or preventing inflammatory bowel disease and conditions including joint inflammation, Crohn's disease and inflammatory bowel disease; respiratory diseases such as chronic obstructive pulmonary disease (COPD) including asthma, chronic bronchitis, and pulmonary emphysema; infectious diseases including endotoxic shock and toxic shock syndrome; immune diseases including systemic lupus erythematosis and psoriasis; and other diseases including bone resorption diseases and reperfusion injury; wherein said composition of matter comprises a compound which is an inhibitor of phosphodiesterase isozyme 4 (PDE4) and wherein an indazole is one essential component of said compound's overall chemical structure, and wherein said indazole constitutes a bioisosteric replacement of a catechol component or functional derivative thereof in a known compound having the same said therapeutic activity and the same remaining
    Type: Grant
    Filed: September 20, 1999
    Date of Patent: April 6, 2004
    Assignee: Pfizer Inc
    Inventor: Anthony Marfat
  • Patent number: 6716854
    Abstract: The invention provides methods and use of heterocyclic amines, and phenylazacycloalkane compounds, and their pharmacologically acceptable salts for the treatment of Restless Legs Syndrome (RLS).
    Type: Grant
    Filed: April 25, 2003
    Date of Patent: April 6, 2004
    Assignee: Pfizer, Inc.
    Inventors: Sylvia McBrinn, Richard Wayne Anderson
  • Patent number: 6713489
    Abstract: This invention relates to compounds of Formula I: that inhibit the secretion of apolipoprotein B, to pharmaceutical compositions comprising the compounds, and to methods of treating and/or preventing atherosclerosis, obesity, diabetes, hyperlipidemia, hyperliproproteinemia, hypercholesterolemia, hypertriglyceridemia, hypoalphalipoproteinemia, pancreatitis, myocardial infarction, stroke, restenosis, or Syndrome X. This invention also relates to methods of reducing the secretion of apolipoprotein B and/or inhibiting microsomal triglyceride transfer protein.
    Type: Grant
    Filed: January 22, 2002
    Date of Patent: March 30, 2004
    Assignee: Pfizer Inc
    Inventors: Roger Ruggeri, Douglas Wilson
  • Patent number: 6713496
    Abstract: Compounds according to formula (I) wherein n is 0-3, R1 is optionally substituted C1-8 alkyl, C2-6 alkenyl, or C2-6 alkynyl, Heterocycle, Aromatic heterocycle, Aryl or hydrogen and R2, R3, R4, R5, R6, R7, R8 and R9 are each independently selected from hydrogen and optionally substituted C1-6 alkyl, or R5 and R8 are an alkylene chain, are novel. They are useful in the treatment of thrombotic conditions and other pathologies associated with fibrin deposition.
    Type: Grant
    Filed: January 22, 2003
    Date of Patent: March 30, 2004
    Assignee: Pfizer Inc
    Inventors: Charlotte Moira Norfor Allerton, David John Bull, Mark Edward Bunnage, Robert John Maguire, John Steele
  • Patent number: 6713286
    Abstract: The present invention is directed to a novel strain of feline immunodeficiency virus, designated herein as FIV-141, and to attenuated forms of the virus produced by mutating specific regions of the viral genome. The virus and mutated forms of the virus may be used to induce the production of antibodies to FIV-141, and in vaccines designed to protect cats from FIV.
    Type: Grant
    Filed: December 15, 2000
    Date of Patent: March 30, 2004
    Assignee: Pfizer Inc.
    Inventors: Ruitang Deng, Michael G. Sheppard
  • Patent number: 6713482
    Abstract: This invention provides a compound of the following formula: or the pharmaceutically acceptable salts thereof, wherein Ar is heteroaryl; X1 and X2 are independently selected from halo, C1-C4 alkyl, hydroxy, C1-C4 alkoxy, amino, C1-C4 alkanoyl, carboxy, carbamoyl, cyano, nitro, mercapto, (C1-C4 alkyl)thio, (C1-C4 alkyl)sulfinyl, (C1-C4 alkyl)sulfonyl, aminosulfonyl, or the like; R1 is selected from hydrogen, straight or branched C1-C4 alkyl, C3-C8 cycloalkyl, C4-C8 cycloalkenyl, phenyl, heteroaryl and the like; R2 and R3 are independently selected from hydrogen, halo, C1-C4 alkyl, phenyl and the like; or R1 and R2 can form, together with the carbon atom to which they are attached, a C5-C7 cycloalkyl ring; and m and n are independently 0, 1, 2 or 3. These compounds and pharmaceutical compositions containing such compounds are useful as analgesics and anti-inflammatory agents.
    Type: Grant
    Filed: August 8, 2001
    Date of Patent: March 30, 2004
    Assignee: Pfizer Inc.
    Inventors: Yoshiyuki Okumura, Yoshinori Murata, Takashi Mano
  • Patent number: 6710071
    Abstract: This invention relates to a series of difluoromethylene aromatic ethers of the formula wherein ring A and X and Y are defined as in the specification, that exhibit activity as glycine transport inhibitors, their pharmaceutically acceptable salts, pharmaceutical compositions containing them, and their use for the enhancement of cognition and the treatment of the positive and negative symptoms of schizophrenia and other psychoses in mammals, including humans.
    Type: Grant
    Filed: August 15, 2002
    Date of Patent: March 23, 2004
    Assignee: Pfizer Inc
    Inventor: John Adams Lowe, III
  • Patent number: 6710040
    Abstract: The invention relates to new therapeutically active and selective inhibitors of the enzyme dipeptidyl peptidase-IV, pharmaceutical compositions comprising the compounds and the use of such compounds for treating diseases that are associated with proteins that are subject to processing by DPP-IV, such as Type 2 diabetes mellitus, hyperglycemia, impaired glucose tolerance, metabolic syndrome (Syndrome X or insulin resistance syndrome), glucosuria, metabolic acidosis, cataracts, diabetic neuropathy, diabetic nephropathy, diabetic retinopathy, diabetic cardiomyopathy, Type 1 diabetes, obesity, conditions exacerbated by obesity, hypertension, hyperlipidemia, atherosclerosis, osteoporosis, osteopenia, frailty, bone loss, bone fracture, acute coronary syndrome, infertility due to polycystic ovary syndrome, short bowel syndrome, anxiety, depression, insomnia, chronic fatigue, epilepsy, eating disorders, chronic pain, alcohol addiction, diseases associated with intestinal motility, ulcers, irritable bowel syndrome, in
    Type: Grant
    Filed: June 3, 2003
    Date of Patent: March 23, 2004
    Assignee: Pfizer Inc.
    Inventors: Bernard Hulin, Janice C. Parker
  • Patent number: 6710209
    Abstract: The present invention relates to a method of preparation for compounds of Formula 23: wherein R3, R4, R5, R6, R7, and W are as defined herein.
    Type: Grant
    Filed: March 7, 2002
    Date of Patent: March 23, 2004
    Assignee: Pfizer Inc
    Inventor: Bingwei V. Yang
  • Patent number: 6706881
    Abstract: This invention relates to methods for preparing certain cholesteryl ester transfer protein (CETP) inhibitors and intermediates useful in the preparation of said CETP inhibitors.
    Type: Grant
    Filed: April 18, 2003
    Date of Patent: March 16, 2004
    Assignee: Pfizer, Inc.
    Inventors: David B. Damon, Robert W. Dugger, Robert W. Scott
  • Patent number: 6706283
    Abstract: Controlled release dosage forms for low solubility drugs are disclosed wherein an amorphous solid dispersion of the drug is coated with a non-dissolving and non-eroding coating that controls the influx of water to the core so as to cause extrusion of a portion of the core, as well as a method of treating a disease or disorder comprising administering such dosage form to a person.
    Type: Grant
    Filed: January 31, 2000
    Date of Patent: March 16, 2004
    Assignee: Pfizer Inc
    Inventors: Leah E. Appel, William J. Curatolo, Scott M. Herbig, James A. S. Nightingale, Avinash G. Thombre
  • Patent number: 6706743
    Abstract: The instant invention provides &bgr;3 adrenergic receptor agonists of structural Formula (I), the stereoisomers and prodrugs thereof, and the pharmaceutically acceptable salts of the compounds, stereoisomers and prodrugs, wherein Ar, R, R1, R2, R3, R4, R5, R6, R7, R8, X, and Y, are as defined herein.
    Type: Grant
    Filed: March 5, 2003
    Date of Patent: March 16, 2004
    Assignee: Pfizer Inc
    Inventors: Robert F. Day, Jennifer A. Lafontaine
  • Patent number: 6699832
    Abstract: The present invention relates to methods of treating obesity, diabetes, sexual dysfunction, atherosclerosis, insulin resistance, impaired glucose tolerance, hypercholesterolemia or hypertrigylceridemia using a neurotensin receptor ligand. The present invention also relates to pharmaceutical compositions and kits that comprise a neurotensin receptor ligand.
    Type: Grant
    Filed: April 24, 2001
    Date of Patent: March 2, 2004
    Assignee: Pfizer Inc.
    Inventor: John R. Hadcock
  • Patent number: 6699862
    Abstract: Novel indolyl-2-phenyl bisamidines are described which are DNA methyltransferase inhibiting agents, and pharmaceutical compositions containing them are used as antiproliferative agents for treating a disease, especially a neoplastic disease, characterized by abnormally rapid proliferation of tissue involved in said disease; said indolyl-2-phenyl bisamidines comprising a and a pharmaceutically acceptable salt thereof, wherein: R1 is hydrogen or (C1-C3)alkyl; R3, R4, R5, R8, R9, and R10 are hydrogen or (C1-C3)alkyl, or R3 and R4 may be taken together, or R8 and R9 may be taken together with the nitrogen atoms to which they are attached, to form an imidazolinyl group; R14 is —H; —NHC(═O)(CH2)mR20; —(CH2)mR20; —CH(CH3)R20; —(CH2)m(C6H3)—R17; —(CH2)m(C6H3)—R20; —(CH2)m(heterocyclyl)—R17; —(CH2)m(heterocyclyl)—R20; —CH2CH═CHR20; —(CH2)mC(═O)NH—CHR20R21; or —(CH2)mC(═O)NH—CH2&m
    Type: Grant
    Filed: March 24, 2000
    Date of Patent: March 2, 2004
    Assignee: Pfizer Inc.
    Inventors: Steven W. Goldstein, Banauara L. Mylari, Jose R. Perez, Edward A. Glazer
  • Patent number: 6699991
    Abstract: A “one-pot” process is described herein for the production of pyrazole compounds of general formula (II) comprising the steps of reacting a compound of general formula (III) with an acylating agent in the presence of a base and an optional activating agent followed by the addition of a hydrazine compound in situ.
    Type: Grant
    Filed: January 17, 2003
    Date of Patent: March 2, 2004
    Assignee: Pfizer Inc.
    Inventors: Harris Laurence James, Levett Philip Charles
  • Patent number: 6699904
    Abstract: PPAR alpha activators, pharmaceutical compositions containing such compounds and the use of such compounds to elevate certain plasma lipid levels, including high density lipoprotein-cholesterol and to lower certain other plasma lipid levels, such as LDL-cholesterol and triglycerides and accordingly to treat diseases which are exacerbated by low levels of HDL cholesterol and/or high levels of LDL-cholesterol and triglycerides, such as atherosclerosis and cardiovascular diseases, in mammals, including humans.
    Type: Grant
    Filed: February 14, 2002
    Date of Patent: March 2, 2004
    Assignee: Pfizer Inc.
    Inventors: Cheryl M. Hayward, David A. Perry