Patents Examined by Hong Liu
  • Patent number: 6482821
    Abstract: Vitronectin receptor antagonists, their preparation and their use The present invention relates to compounds of the formula I, A—B—D—E—F—G   (I) in which A, B, D, E, F and G have the meanings given in the patent claims, to their preparation and to their use as medicaments. The compounds of the invention are used as vitronectin receptor antagonists and as inhibitors of bone resorption.
    Type: Grant
    Filed: February 8, 2001
    Date of Patent: November 19, 2002
    Assignees: Hoechst Aktiengellschaft, Genentech, Inc.
    Inventors: Volkmar Wehner, Hans Ulrich Stilz, Anuschirwan Peyman, Karlheinz Scheunemann, Jean-Marie Ruxer, Denis Carniato, Jean-Michel Lefrancois, Thomas Richard Gadek, Robert McDowell
  • Patent number: 6479662
    Abstract: Dibenzofluorene derivatives having a formula selected from the group consisting of and salts thereof have antitumor activity. At least one of R1-R13 in formula (I) or R1-R12 in formula (II) is —R14Z. R14 is a substituted or unsubstituted amino or amido group having from 1-12 carbon atoms, and Z is a substituted or unsubstituted heterocyclic group having from 1-12 carbon atoms. The remainder of R1-R13 in formula (I) or R1-R12 in formula (II) are independently selected from the group consisting of hydrogen, hydroxyl, halogen, nitro, substituted or unsubstituted amino or amido groups having from 1-12 carbon atoms, and alkyl groups having 1-12 carbon atoms.
    Type: Grant
    Filed: January 14, 2002
    Date of Patent: November 12, 2002
    Assignee: Board of Regents, The University of Texas System
    Inventors: Frederick F. Becker, Bimal K. Banik
  • Patent number: 6479483
    Abstract: Compounds of the present invention are 4-phenyl-pyridine derivatives with activity as NK-1 receptor antagonists.
    Type: Grant
    Filed: July 10, 2001
    Date of Patent: November 12, 2002
    Assignee: Hoffmann-La Roche Inc.
    Inventors: Michael Bös, Quirico Branca, Guido Galley, Thierry Godel, Torsten Hoffmann, Walter Hunkeler, Patrick Schnider, Heinz Stadler
  • Patent number: 6476050
    Abstract: One aspect of the present invention relates to novel heterocyclic compounds comprising urea functionality. A second aspect of the present invention relates to the use of the novel heterocyclic compounds comprising urea functionality as ligands for various cellular receptors, including opioid receptors, other G-protein-coupled receptors and ion channels. An additional aspect of the present invention relates to the use of the novel heterocyclic compounds comprising urea functionality as analgesics.
    Type: Grant
    Filed: February 23, 2001
    Date of Patent: November 5, 2002
    Assignee: Sepracor, Inc.
    Inventors: Brian M. Aquila, Gregory D. Cuny, James R. Hauske, Liming Shao, Xinhe Wu
  • Patent number: 6476033
    Abstract: Drugs comprising modification D of doxazosin mesylate are described. They are suitable for treating high blood pressure.
    Type: Grant
    Filed: September 18, 2001
    Date of Patent: November 5, 2002
    Assignee: Chemische Fabrik Berg GmbH
    Inventors: Marco Thyes, Heinz Einig, Peter Klein, Dieter Hix
  • Patent number: 6476041
    Abstract: Novel piperidinyl compounds substituted in the 1- and 4-positions are effective as NMDA NR2B antagonists useful for relieving pain.
    Type: Grant
    Filed: October 25, 2000
    Date of Patent: November 5, 2002
    Assignee: Merck & Co., Inc.
    Inventors: Wayne Thompson, David A. Claremon, Peter M. Munson, Janusz Kulagowski, Willie Whitter, Ian Huscroft
  • Patent number: 6476031
    Abstract: The invention is directed to methods to inhibit TGF-&bgr; and/or p38-&agr; kinase using compounds of the formula or the pharmaceutically acceptable salts thereof wherein R3 is a noninterfering substituent; each Z is CR2 or N, wherein no more than two Z positions in ring A are N, and wherein two adjacent Z positions in ring A cannot be N; each R2 is independently a noninterfering substituent; L is a linker; n is 0 or 1; and Ar′ is the residue of a cyclic aliphatic, cyclic heteroaliphatic, aromatic or heteroaromatic moiety optionally substituted with 1-3 noninterfering substituents.
    Type: Grant
    Filed: August 27, 1999
    Date of Patent: November 5, 2002
    Assignee: Scios, Inc.
    Inventors: Sarvajit Chakravarty, Sundeep Dugar, John J. Perumattam, George F. Schreiner, David Y. Liu, John A. Lewicki
  • Patent number: 6469013
    Abstract: The invention provides novel JAK-3 inhibitors that are useful for treating leukemia and lymphoma. The compounds are also useful to treat or prevent skin cancer, as well as sunburn and UVB-induced skin inflammation. In addition, the compounds of the present invention prevent the immunosuppressive effects of UVB radiation, and are useful to treat or prevent autoimmune diseases, inflammation, and transplant rejection. The invention also provides pharmaceutical compositions comprising compounds of the invention, as well as therapeutic methods for their use.
    Type: Grant
    Filed: May 16, 2001
    Date of Patent: October 22, 2002
    Assignee: Parker Hughes Institute
    Inventors: Fatih M. Uckun, Elise A. Sudbeck, Marina Cetkovic, Ravi Malaviya, Xing-Ping Liu
  • Patent number: 6469014
    Abstract: The invention provides pharmaceutically useful thieno[2,3-d]pyrimidinediones, processes for their production, pharmaceutical compositions containing them and methods of treatment involving their use.
    Type: Grant
    Filed: October 17, 2001
    Date of Patent: October 22, 2002
    Assignee: AstraZeneca AB
    Inventors: David Cheshire, Andrew Cooke, Martin Cooper, David Donald, Mark Furber, Matthew Perry, Philip Thorne
  • Patent number: 6465472
    Abstract: The invention relates to novel quinazolines and heterocycles which are antagonists or positive modulators of AMPA receptors, and the use thereof for treating, preventing or ameliorating neuronal loss associated with stroke, global and focal ischemia, CNS trauma, hypoglycemia and surgery, as well as treating or ameliorating neurodegenerative diseases including Alzheimer's disease, amyotrophic lateral sclerosis, Huntington's disease, Parkinson's disease and Down's syndrome, treating, preventing or ameliorating the adverse consequences of the overstimulation of the excitatory amino acids, treating, preventing or ameliorating anxiety, psychosis, convulsions, chronic pain, glaucoma, retinitis, urinary incontinence, muscular spasm and inducing anesthesia, as well as for treating or ameliorating the adverse consequences of excitatory amino acid deficiency such as schizophrenia, myoclonus. Alzheimer's disease and malnutrition and neural maldevelopment, and as cognition and learning enhancers.
    Type: Grant
    Filed: September 1, 2000
    Date of Patent: October 15, 2002
    Assignee: Euro-Celtique S.A.
    Inventors: Ravi Upasani, Sui X. Cai, Nancy C. Lan, Yan Wang, George Field, David B. Fick
  • Patent number: 6465469
    Abstract: The S-isomer of the hydroxy metabolite of nefazodone, S-hydroxynefazodone, is an effective treatment for depression which does not give rise to the adverse effects associated with nefazodone. S-hydroxynefazodone is also useful in the treatment of migraine headaches, panic disorders, post traumatic stress disorder and sleep disorders.
    Type: Grant
    Filed: April 7, 2000
    Date of Patent: October 15, 2002
    Assignee: Sepracor Inc.
    Inventors: Timothy J. Barberich, Paul D. Rubin, William E. Yelle
  • Patent number: 6462072
    Abstract: This invention relates to low molecular weight, small molecule cyclic esters and amides having an affinity for FKBP-type immunophilins, pharmaceutical compositions comprising the same, and methods of using the same to effect a neuronal activity.
    Type: Grant
    Filed: September 21, 1998
    Date of Patent: October 8, 2002
    Assignee: GPI NIL Holdings, Inc.
    Inventors: Gregory S. Hamilton, David C. Limburg
  • Patent number: 6458794
    Abstract: Compounds useful as potassium channel inhibitors and especially useful for the treatment of cardiac arrhythmias and cell proliferative disorders are described.
    Type: Grant
    Filed: December 21, 2000
    Date of Patent: October 1, 2002
    Assignee: Icagen, Inc.
    Inventors: Michael Gross, Serge Beaudoin, Aimee D. Reed
  • Patent number: 6458800
    Abstract: This invention concerns compounds of formula the pharmaceutically acceptable acid addition salts and the stereochemically isomeric forms thereof, wherein ═X1—X2—X3— is a trivalent radical,; >Y1—Y2— is a trivalent radical; r and s are each independently 0, 1, 2, 3, 4 or 5; t is 0, 1, 2 or 3; each R1 and R2 are independently hydroxy, halo, cyano, C1-6alkyl, trihalomethyl, trihalomethoxy, C2-6alkenyl, C1-6alkyloxy, hydroxyC1-6alkyloxy, C1-6alkylthio, C1-6alkyloxyC1-6alkyloxy, C1-6alkyloxycarbonyl, aminoC1-6alkyloxy, mono- or di(C1-6alkyl)amino, mono- or di(C1-6alkyl)aminoC1-6alkyloxy, aryl, arylC1-6alkyl, aryloxy or arylC1-6alkyloxy, hydroxycarbonyl, C1-6alkyloxycarbonyl; or two R1 or R2 on adjacent positions form together a bivalent radical; R3 is hydrogen, halo, C1-6alkyl, cyano, haloC1-6alkyl, hydroxyC1-6alkyl, cyanoC1-6alkyl, aminoC1-6alkyl, C1-6alkyloxyC1-6alkyl, C1-6alkylthio-C1-6alkyl, aminocarbonylC1-6alkyl, hydroxycarbonyl, hydroxycarbonylC1-6alkyl
    Type: Grant
    Filed: August 29, 2001
    Date of Patent: October 1, 2002
    Assignee: Janssen Pharmaceutica N.V.
    Inventors: Patrick René Angibaud, Marc Gaston Venet, Xavier Marc Bourdrez
  • Patent number: 6448254
    Abstract: Amides of the general formula I and their tautomeric and isomeric forms, possible enantiomeric and diastereomeric forms, as well as possible physiologically tolerable salts, in which the variables have the following meanings: R1 [sic] can be C1-C6-alkyl, phenyl, naphthyl, quinolyl, pyridyl, pyrimidyl, pyridazyl, quinazolyl and quinoxalyl, where the rings can additionally be substituted by up to 2 radicals R4 [sic], and R2 [sic] is —(CH2)m—R8 [sic], where R8 [sic] can be phenyl, cyclohexyl- or indolyl and m=1 to 6, and X is a bond, —CH2—, —CH2CH2—, —CH═CH—, —C≡C—, —CONH—, —SO2NH— [sic], and and [sic] R1—X [sic] together are also  and R3 [sic] is hydrogen and CO—NR6R7 [sic], R4 [sic] is hydrogen, C1-C4-alkyl [sic], which is branched an
    Type: Grant
    Filed: October 3, 2000
    Date of Patent: September 10, 2002
    Assignee: Abbott Laboratories
    Inventors: Wilfried Lubisch, Achim Möller, Hans-Jörg Treiber, Monika Knopp
  • Patent number: 6444675
    Abstract: A series of non-peptidergic antagonists of NPY have been synthesized and are comprised of 4-alkyl and cycloalkyl derivatives of dihydropyridines of Formula I. As antagonists of NPY-induced behavior, these compounds are expected to act as effective anorexiant agents in promoting weight loss and treating eating disorders.
    Type: Grant
    Filed: April 24, 2001
    Date of Patent: September 3, 2002
    Assignee: Bristol-Myers Squibb Company
    Inventor: Sing-Yuen Sit
  • Patent number: 6440970
    Abstract: The present invention relates to diazabicyclic compounds, and preferably N-aryl diazabicyclic compounds. Of particular interest are 2-pyridyl diazabicyclic compounds, such as (1S,4S)-2-(3-pyridyl)-2,5-diazabicyclo[2.2.1]heptane. Other exemplary compounds of the present invention include: (1S,4S)-2-(5-(4-methoxyphenoxy)-3-pyridyl)-2,5-diazabicyclo[2.2.1]heptane, (1S,4S)-2-(5-pyrimidinyl)-2,5-diazabicyclo[2.2.1]heptane and (1S,4S)-2-(6-chloro-3-pyridazinyl)-2,5-diazabicyclo[2.2.1]heptane. The present invention also relates to prodrug derivatives of the compounds of the present invention.
    Type: Grant
    Filed: May 25, 2000
    Date of Patent: August 27, 2002
    Assignee: Targacept, Inc.
    Inventors: Thomas Jeffrey Clark, Gary Maurice Dull, Dwo Lynm, Lan Miao, Craig Harrison Miller, Jeffrey Daniel Schmitt
  • Patent number: 6440962
    Abstract: The instant invention is a series of benzothiazine dioxides, or a pharmaceutically acceptable salt thereof, which are potent endothelin A antagonists with profound in vitro activity, and improved syntheses for the Formula I The compounds are useful in treating elevated levels of endothelin, essential renovascular malignant and pulmonary hypertension, cerebral infarction, cerebral ischemia, congestive heart failure, and subarachnoid hemorrhage.
    Type: Grant
    Filed: March 27, 2001
    Date of Patent: August 27, 2002
    Assignee: Warner-Lambert Company
    Inventors: Amy Mae Bunker, Xue-Min Cheng, Annette Marian Doherty, Jeremy John Edmunds, Gerald David Kanter, Chitase Lee, Joseph Thomas Repine, Richard William Skeean
  • Patent number: 6441001
    Abstract: The present application describes modulators of CCR3 of formula (I): or pharmaceutically acceptable salt forms thereof, useful for the prevention of asthma and other allergic diseases.
    Type: Grant
    Filed: December 17, 1999
    Date of Patent: August 27, 2002
    Assignee: Bristol-Myers Squibb Pharma Company
    Inventors: Paul S. Watson, Soo S. Ko, George V. Delucca, Joseph B. Santella, III, Dean A. Wacker, John V. Duncia
  • Patent number: 6440986
    Abstract: This invention concerns the use of the compounds of formula the N-oxides, the pharmaceutically acceptable addition salts and the stereochemically isomeric forms thereof, wherein A is CH, CR4 or N; n is 0 to 4; Q is hydrogen or —NR1R2; R1 and R2 are selected from hydrogen, hydroxy, C1-12alkyl, C1-12alkyloxy, C1-12alkylcarbonyl, C1-12alkyloxycarbonyl, aryl, amino, mono- or di(C1-12alkyl)amino, mono- or di(C1-12alkyl)aminocarbonyl wherein each C1-12alkyl may optionally be substituted; or R1 and R2 taken together may form pyrrolidinyl, piperidinyl, morpholinyl, azido or mono- or di(C1-12alkyl)aminoC1-4alkylidene; R3 is hydrogen, aryl, C1-6alkylcarbonyl, optionally substituted C1-6alkyl, C1-6alkyloxycarbonyl,; and R4 is hydroxy, halo, optionally substituted C1-6alkyl, C1-6alkyloxy, cyano, aminocarbonyl, nitro, amino, trihalomethyl, trihalomethyloxy; R5 is hydrogen or C1-4alkyl; L is optionally substituted C1-10alkyl, C3-10alkenyl, C3-10alkynyl, C3-7cycloalkyl; or L is —X1—R6 or
    Type: Grant
    Filed: December 27, 2000
    Date of Patent: August 27, 2002
    Assignee: Janssen Pharmaceutica, N.V.
    Inventors: Koenraad Jozef Lodewijk Marcel Andries, Bart De Corte, Marc René De Jonge, Jan Heeres, Chih Yung Ho, Marcel August Constant Janssen, Paul Adriaan Jan Janssen, Lucien Maria Henricus Koymans, Michael Joseph Kukla, Donald William Ludovici, Koen Jeanne Alfons Van Aken