Patents Examined by Hong Liu
  • Patent number: 6683083
    Abstract: Disclosed herein is a method for suppressing the growth of cancer cells in a mammal in need of such treatment comprising administering to said mammal a cancer cell suppressing amount of a diphenylmethylpiperazine represented by the following general formula [1]: wherein R represents: or a pharmaceutically acceptable salt thereof. Compared with conventional anticancer agents, these agents are less toxic and exert an excellent carcinostatic effect on various solid cancers. Moreover, these anticancer agents inhibit the proliferation of fibroblasts, which makes them efficacious against pulmonary fibrosis and proliferative keloid lesions.
    Type: Grant
    Filed: August 2, 2002
    Date of Patent: January 27, 2004
    Inventors: Noboru Kaneko, Kazuto Nishio
  • Patent number: 6680320
    Abstract: The invention relates to the use of derivatives of 3-amidinophenylalanine as urokinase inhibitors for treating malignant tumors and the formation of metastases.
    Type: Grant
    Filed: July 26, 2002
    Date of Patent: January 20, 2004
    Assignee: Wilex AG
    Inventors: Olaf Wilhelm, Viktor Magdolen, Jörg Stürzebecher, John Foekens, Verena Lutz
  • Patent number: 6677332
    Abstract: One aspect of the present invention relates to novel heterocyclic compounds. A second aspect of the present invention relates to the use of the novel heterocyclic compounds as ligands for various cellular receptors, including opiate 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 as analgesics.
    Type: Grant
    Filed: May 25, 2000
    Date of Patent: January 13, 2004
    Assignee: Sepracor, Inc.
    Inventors: Gregory D. Cuny, Liming Shao, James R. Hauske, Michele L. R. Heffernan, Brian M. Aquila, Xinhe Wu, Fengjiang Wang, Thomas D. Bannister
  • Patent number: 6677359
    Abstract: The present invention relates N-substituted glycine derivatives for treating or preventing neuronal damage associated with neurological diseases. The invention also provides compositions comprising the compounds of the present invention and methods of utilizing those compositions for treating or preventing neuronal damage.
    Type: Grant
    Filed: January 3, 2002
    Date of Patent: January 13, 2004
    Assignee: Vertex Pharmaceuticals Incorporated
    Inventors: David Lauffer, Brian Ledford, Michael Mullican
  • Patent number: 6673810
    Abstract: The present application describes imidazo-heterobicycles of formulas I and III: or pharmaceutically acceptable salt or prodrug forms thereof. Compounds of the present invention are useful as inhibitors of trypsin-like serine proteases, specifically factor Xa.
    Type: Grant
    Filed: July 3, 2001
    Date of Patent: January 6, 2004
    Assignee: Bristol-Myers Squibb Pharma Company
    Inventors: Patrick Y. Lam, Charles G. Clark, Qi Han, Thomas E. Richardson
  • Patent number: 6673797
    Abstract: There is provided a compound represented by the general formula (1): wherein Het represents an optionally substituted heterocyclic group; A1 and A2 each independently represent —CH═, etc.; A3 represents —CH2—, etc.; R1 represents a 4-fluorophenyl group, etc.; R2 represents an alkyl group; n represents 0, 1 or 2, provided that when A1 and A2 both are —CH═, A3 represents —CH2— or —SO2—, which is an indole derivative or a mono- or diazaindole derivative that has COX-2 inhibitory activity and is useful as a pharmaceutical, such as an anti-inflammatory agent, or addition salts thereof with a pharmaceutically acceptable acid or base, or hydrates thereof.
    Type: Grant
    Filed: November 27, 2000
    Date of Patent: January 6, 2004
    Assignee: Chugai Seiyaku Kabushiki Kaisha
    Inventors: Hiroharu Matsuoka, Nobuaki Kato, Tadakatsu Takahashi, Noriaki Maruyama, Takenori Ishizawa, Yukio Suzuki
  • Patent number: 6673804
    Abstract: A compound of the formula (I) or a pharmacologically acceptable salt, ester or other derivative thereof: R1 is H or NHOH. R2 is H, optionally substituted alkyl, cycloalkyl or a group —AR6. A is an alkylene which may be optionally interrupted by O, —S(O)m— or —N(R9). R6 is a group (II), (III), (IV) X is O, S, —N(R10)—, —C(R11)(R12)—. Y is O, CO, —S(O)n—, —N(R10)—, —C(R11)(R12)—. Each of R7 and R8 is H, alkyl, COOH, optionally substituted alkyl, etc. Each of R9, R10, R11, and R12 is H, alkyl, etc. Each of m and n is 0 to 2. R3 is H, optionally substituted alkyl, optionally substituted cycloalkyl, optionally substituted alkenyl, optionally substituted alkynyl. R4 is optionally substituted (hetero)arylene. R5 is optionally substituted alkyl, optionally substituted (hetero)aryl. These compounds have matrixmetalloproteinase—13 inhibitory activity and aglycanase inhibitory activity.
    Type: Grant
    Filed: October 2, 2000
    Date of Patent: January 6, 2004
    Assignee: Sankyo Company, Limited
    Inventors: Tomio Kimura, Shoujiro Miyazaki, Keiji Ueda, Kazuhiko Tanzawa, Shigeru Ushiyama, Wataru Takasaki
  • Patent number: 6673799
    Abstract: This application relates to a piperazino-substituted novel cyanophenyl derivative in which a substituted carbamoyl or substituted sulfamoyl group having an aryl, heterocyclic or the like group that may have a substituent group is bonded to one nitrogen atom on the piperazine ring. The compound of this application has an anti-androgen action and is useful in preventing or treating prostatic cancer, benign prostatic hyperplasia and the like diseases.
    Type: Grant
    Filed: March 21, 2001
    Date of Patent: January 6, 2004
    Assignee: Yamanouchi Pharmaceutical Co. Ltd.
    Inventors: Nobuaki Taniguchi, Isao Kinoyama, Takashi Kamikubo, Akira Toyoshima, Kiyohiro Samizu, Eiji Kawaminami, Masakazu Imamura, Hiroyuki Moritomo, Akira Matsuhisa, Masaaki Hirano, Yoji Miyazaki, Eisuke Nozawa, Minoru Okada, Hiroshi Koutoku, Mitsuaki Ohta
  • Patent number: 6664255
    Abstract: The invention relates to substituted polycyclic aryl and heteroaryl pyrazinone compounds useful as inhibitors of serine proteases of the coagulation cascade and compounds, compositions and methods for anticoagulant therapy for the treatment and prevention of a variety of thrombotic conditions including coronary artery and cerebrovascular diseases.
    Type: Grant
    Filed: May 18, 2000
    Date of Patent: December 16, 2003
    Assignee: Pharmacia Corporation
    Inventors: Michael South, John J. Parlow, Darin E. Jones, Brenda Case, Tom Dice, Richard Lindmark, Michael J. Hayes, Melvin L. Rueppel, Horng-Chih Huang, Wei Huang, Scott A. Long, Matthew Mahoney, William L. Neumann, David Reitz, John I. Trujillo, Ching-Cheng Wang, Rhonda Wood, Qingping Zeng, Rick Fenton, Gary W. Franklin, Carrie Kusturin
  • Patent number: 6660730
    Abstract: Methods for producing anhydrous mirtazapine crystals that are either (1) substantially free of lower alcohol insolubles or (2) substantially free of residual solvent and have an average particle diameter of from 10 to 50 &mgr;m, are provided, and the resulting anhydrous mirtazapine crystals produced thereby, which are useful in pharmaceuticals.
    Type: Grant
    Filed: April 27, 2001
    Date of Patent: December 9, 2003
    Assignee: Sumika Fine Chemicals Co., Ltd.
    Inventors: Chiharu Maeda, Sadanobu Yoshikawa, Eiichi Iishi
  • Patent number: 6642234
    Abstract: The present invention relates to acrylonitrile compounds of formula (1): [wherein, R is a C1-C6 alkyl, a C3-C7 cycloalkyl optionally substituted by a C1-C4 alkyl, a naphthyl, etc., R1 is H, a halogen, a C1-C6 alkyl, etc., A is specific 5-membered aromatic heterocyclic ring containing two hetero atoms selected from N, O and S, etc., B is H, a C1-C4 alkyl, a C2-C4 alkoxyalkyl, etc.] Said compounds are useful as agricultural chemicals, in particular insecticides and acaricides.
    Type: Grant
    Filed: August 13, 2001
    Date of Patent: November 4, 2003
    Assignee: Nissan Chemical Industries, Ltd.
    Inventors: Tomoyuki Ogura, Akira Numata, Hideki Ueno, Yoshihide Masuzawa, Toshiro Miyake, Yoichi Inoue, Norihiko Mimori, Shinji Takii
  • 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: 6642230
    Abstract: Corticotropin releasing factor (CRF) antagonists of formula (I): and their use in treating psychiatric disorders and neurological diseases, anxiety-related disorders, post-traumatic stress disorder, supranuclear palsy and feeding disorders as well as treatment of immunological, cardiovascular or heart-related diseases and colonic hypersensitivity associated with psychopathological disturbance and stress in mammals.
    Type: Grant
    Filed: November 7, 2001
    Date of Patent: November 4, 2003
    Assignee: Bristol-Myers Squibb Pharma Company
    Inventors: Richard Gerald Wilde, Rajagopal Bakthavatchalam, James Peter Beck, Argyrios Georgious Arvanitis
  • Patent number: 6638927
    Abstract: Compounds of formula IA and IB are new where the variables R1 through R10 have the values set forth herein. Such compounds have use in treating diseases such as obesity and type II diabetes, and may be provided as pharmaceutical formulations in conjunction with a pharmaceutically acceptable carrier.
    Type: Grant
    Filed: August 31, 2001
    Date of Patent: October 28, 2003
    Assignee: Chiron Corporation
    Inventors: Paul A. Renhowe, Daniel Chu, Rustum S. Boyce, Zhi-Jie Ni, David Duhl, Effie Tozzo, Kirk Johnson, David C. Myles
  • Patent number: 6635636
    Abstract: The invention concerns novel substituted 6-benzyl-4-oxopyrimidines and pharmaceutically acceptable salts thereof. These compounds inhibit reverse transcriptase encoded by human immunodeficiency virus (HIV), and are useful to prevent and treat HIV infection and acquired immune deficiency syndrome (AIDS). Pharmaceutical compositions containing the compounds and a method of use of the present compounds and other agents for the treatment of AIDS and viral infection by HIV are also envisaged.
    Type: Grant
    Filed: May 1, 2001
    Date of Patent: October 21, 2003
    Assignee: Idenix Pharmaceuticals, Inc.
    Inventors: Marino Artico, Paolo La Colla
  • Patent number: 6635640
    Abstract: The present invention relates to certain 4-heteroaryl-3-heteroarylidenyl-2-indolinones compounds and their physiologically acceptable salts which modulate the activity of protein kinases (“PKs”), in particular CDK2. The compounds of the present invention are therefore useful in treating disorders related to abnormal PK activity. Pharmaceutical composition containing these compounds and methods of preparing these compounds are also described.
    Type: Grant
    Filed: June 29, 2001
    Date of Patent: October 21, 2003
    Assignee: Sugen, Inc.
    Inventors: Peng Cho Tang, Chung Chen Wei, Ping Huang, Jingrong Cui
  • Patent number: 6635626
    Abstract: Novel imidazoquinoxalines and salts thereof, pharmaceutical compositions containing such compounds, and methods of using such compounds in the treatment of protein tyrosine kinase-associated disorders such as immunologic disorders.
    Type: Grant
    Filed: June 15, 1998
    Date of Patent: October 21, 2003
    Assignee: Bristol-Myers Squibb Co.
    Inventors: Joel C. Barrish, Steven H. Spergel
  • Patent number: 6627624
    Abstract: Disclosed are compounds of the formula: or the pharmaceutically acceptable non-toxic salts thereof wherein the A, B, C, D, X, R1, R2, R3, R4, R5, and R6, are variables defined herein, which compounds are highly selective agonists, antagonists or inverse agonists for GABAa brain receptors or prodrugs of agonists, antagonists or inverse agonists for GABAa brain receptors, and are therefore useful in the diagnosis and treatment of anxiety, Down Syndrome, sleep, cognitive and seizure disorders, depression, overdose with benzodiazepine drugs, and enhancement of memory and alertness.
    Type: Grant
    Filed: March 31, 2000
    Date of Patent: September 30, 2003
    Assignee: Neurogen Corporation
    Inventors: Robert W. DeSimone, Alan Hutchison, Kenneth Shaw, Daniel L. Rosewater
  • Patent number: 6624169
    Abstract: The invention relates to the use of derivatives of 3-amidinophenylalanine as urokinase inhibitors for treating malignant tumors and the formation of metastases.
    Type: Grant
    Filed: April 3, 2001
    Date of Patent: September 23, 2003
    Assignee: Wilex Biotechnology GmbH
    Inventors: Olaf Wilhelm, Viktor Magdolen, Jörg Stürzebecher, John Foekens, Verena Lutz
  • Patent number: 6620812
    Abstract: A sulfamoyl compound of the general formulae (1): wherein R1 and R2 are each independently C1-4 alkyl, or R1 and R2 together are C4-6 alkylene or C4-6 alkyleneoxy, Y is H, halogen, C1-8 alkyl, C1-8 alkoxy, C1-8 alkylthio, C1-8 haloalkyl, C1-8 haloalkoxy or C1-8 haloalkylthio, A is a predetermined heterocyclic group, B is a predetermined heterocyclic group which is identical with or different from A, W is a chemical bond or O, V is O or S, D, E, F and G are each independently N, CR7, CR8, CR9 or CR10, and R3, R4, R5, R6, R7, R8, R9, R10 and R11 are each independently predetermined group such as H, or an unsubstituted or substituted aliphatic, aromatic or heterocyclic group. The sulfamoyl compound is useful as an agricultural and horticultural fungicide.
    Type: Grant
    Filed: September 28, 2001
    Date of Patent: September 16, 2003
    Assignee: Nissan Chemical Industries, Ltd.
    Inventors: Toshiaki Takeyama, Toshimasa Hamada, Hiroaki Takahashi, Junichi Watanabe, Kazuhiro Yamagishi, Masanori Nishioka, Hiroyuki Suzuki