Patents Examined by Sudhaker B. Patel
  • Patent number: 6492408
    Abstract: Compounds of the formula I which are useful for treating or preventing inflammatory and immune cell-mediated diseases.
    Type: Grant
    Filed: June 27, 2000
    Date of Patent: December 10, 2002
    Assignee: Boehringer Ingelheim Pharmaceuticals, Inc.
    Inventors: Jiang-Ping Wu, Terence Alfred Kelly, Rene Lemieux, Daniel R. Goldberg, Jonathan Emilian Emeigh, Ronald John Sorcek
  • Patent number: 6492356
    Abstract: The present invention relates to acylguanidine derivatives of formula (I) in which R1, R2, R4, R5, R6, A, m and n have the meanings indicated in the patent claims, their physiologically tolerable salts and their prodrugs. The compounds of formula (I) are valuable pharmaceutical active ingredients. They are vitronectin receptor antagonists and inhibitors of bone resorption by osteoclasts and are suitable, for example, for the therapy or prophylaxis of diseases which are caused at least partially by an undesired extend of bone resorption, for example of osteoporosis. The invention furthermore relates to processes for the preparation of compounds of formula (I), their use, in particular as pharmaceutical active ingredients, and pharmaceutical preparations comprising them.
    Type: Grant
    Filed: November 2, 2000
    Date of Patent: December 10, 2002
    Assignees: Aventis Pharma Deutschland GmbH, Genentech, Inc.
    Inventors: Anuschirwan Peyman, Jochen Knolle, Gerhard Breipohl, Karl-Heinz Scheunemann, Denis Carniato, Jean-Francois Gourvest, Thomas Gadek, Robert McDowell, Sarah Catherine Bodary, Robert Andrew Cuthbertson, Napoleane Ferrara
  • Patent number: 6492372
    Abstract: Disclosed are compounds which bind VLA-4. Certain of these compounds also inhibit leukocyte adhesion and, in particular, leukocyte adhesion mediated by VLA-4. Such compounds are useful in the treatment of inflammatory diseases in a mammalian patient, e.g., human, such as asthma, Alzheimer's disease, atherosclerosis, AIDS dementia, diabetes, inflammatory bowel disease, rheumatoid arthritis, tissue transplantation, tumor metastasis and myocardial ischemia. The compounds can also be administered for the treatment of inflammatory brain diseases such as multiple sclerosis.
    Type: Grant
    Filed: January 21, 2000
    Date of Patent: December 10, 2002
    Assignees: Elan Pharmaceuticals, Inc., American Home Products Corporation
    Inventors: Andrei W. Konradi, Michael A. Pleiss, Eugene D. Thorsett, Susan Ashwell, Gregory S. Welmaker, Anthony Kreft, Dimitrios Sarantakis, Darren B. Dressen, Francine S. Grant, Christopher Semko, Ying-Zi Xu
  • Patent number: 6492400
    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: December 10, 2002
    Assignee: Bristol-Myers Squibb Pharma Company
    Inventors: Soo S. Ko, George V. DeLucca, John V. Duncia, Joseph B. Santella, III, Dean A. Wacker, Ui Tae Kim
  • Patent number: 6489327
    Abstract: The invention relates to novel inhibitors of human tryptase which are used in the pharmaceutical industry for the production of medicaments.
    Type: Grant
    Filed: October 20, 2000
    Date of Patent: December 3, 2002
    Assignees: Max-Planck-Gesellschaft zur Fordrungder Wisenschaften, e.V., Byk Gulden Lomberg Chemische Fabrik GmbH
    Inventors: Thomas Bär, Thomas Martin, Josef Stadlwieser, Wolf-Rüdiger Ulrich, Andreas Dominik, Ulrich Thibaut, Daniela Bundschuh, Rolf Beume, Karl-Josef Goebel, Wolfram Bode, Luis Moroder, Pedro Jose Barbosa Pereira, Andreas Bergner, Robert Huber, Christian Sommerhoff, Norbert Schaschke
  • Patent number: 6486154
    Abstract: A compound of formula (I), or a pharmaceutically-acceptable salt thereof, wherein A is an optionally substituted 5- or 6-membered monocyclic aromatic ring containing 1, 2 or 3 ring heteroatoms; B is optionally substituted phenylene or a 6-membered heterocyclic ring containing 1, 2 or 3 nitrogen heteroatoms; R and R1 are hydrogen or (1-4C)alkyl; n is 1 or 2; R2 and R3 are hydrogen, (1-6C)alkyl, (4-7C)cycloalkyl, or (2-6C)alkenyl, or R2 and R3 may form along with the nitrogen to which they are attached a 5-, 6- or 7-membered heterocyclic ring, wherein each R2 or R3 group or any heterocyclic ring formed from R2 and R3 may be optionally substituted with various substituent groups, and wherein Q may be optionally substituted by various substituent groups, which posseses antithrombotic and anticoagulant properties and are accordingly useful in methods of treatment of humans or animals.
    Type: Grant
    Filed: January 27, 2000
    Date of Patent: November 26, 2002
    Assignee: Zeneca Limited
    Inventors: Andrew Stocker, John Preston
  • Patent number: 6482822
    Abstract: The invention concerns novel N-(iminomethyl)amine derivatives comprising in their skeleton the aminophenylamine, oxodiphenylamine, carbazole, phenazine, phenoxazine or oxodiphenyl motif, their use as medicines and pharmaceutical compositions containing them. The invention concerns in particular the following compounds: -4-{[2-thienyl(imino)methyl]amino}-N-[2-(phenylamino)phenyl]-benzenebutanamide; -4-{[2-thienyl(imino)methyl]amino}-N-[4-(phenylamino)phenyl]-benzenebutanamide; -N-′[4-(10H-phenothiazin-2-yloxy)phenyl]-2-thiophenecarboximidamide; -4-(4-{[amino(2-thienyl)methylidene]amino}phenyl)-N-(10H-phenothiazin-3-ylH)butanamide; -3-[(3-{[amino(2-thienyl)methylidene]amino}-benzyl)amino]-N-(4-anilinophenyl)propanamide; -N′-(4-{2-[(10H-phenothiazin-3-ylmethyl)amino]ethyl}phenyl-2-thiophene carboximidamide.
    Type: Grant
    Filed: March 16, 2001
    Date of Patent: November 19, 2002
    Assignee: Societe de Conseils de Recherches et d'Applications Scientifiques (S.C.R.A.S.)
    Inventors: Dennis Bigg, Pierre-Etienne Chabrier de Lassauniere, Serge Auvin, Jeremiah Harnett, Gérard Ulibarri
  • Patent number: 6482836
    Abstract: This invention concerns compounds of formula including the stereoisomers and the pharmaceutically acceptable acid addition salt forms thereof, wherein R1 is C1-6alkyl, NR6R7, OR6 or SR7; R2 is hydrogen, C1-6alkyl, C1-6alkyloxy or C1-6alkylthio; R3 is Ar1 or Het1; R4 and R5 are each independently selected from hydrogen, halo, C1-6alkyl, C1-6alkyloxy, trifluoromethyl, cyano, nitro, amino, and mono- or di(C1-6alkyl)amino; R6 is hydrogen, C1-6alkyl, C1-6alkylsulfonyl, C1-6alkylsulfoxy or C1-6alkylthio; R7 is hydrogen, C1-8alkyl, mono- or di(C3-6cycloalkyl)methyl, C3-6cycloalkyl, C3-6alkenyl, hydroxyC1-6alkyl, C1-6alkylcarbonyloxy-C1-6alkyl or C1-6alkyloxyC1-6alkyl; R6 is C1-8alkyl, mono- or di(C3-6cycloalkyl)-methyl, Ar2CH2, C1-6alkyloxyC1-6alkyl, hydroxyC1-6alkyl, C3-6alkenyl, thienylmethyl, furanylmethyl, C1-6alkylthioC1-6alkyl, mono- or di(C1-6alkyl)aminoC1-6alkyl, di(C1-6alkyl)amino, C1-6alkylcarbonylC1-6alkyl; or R6 and R7 taken together with the nitrogen atom to which they are attached may
    Type: Grant
    Filed: October 19, 1999
    Date of Patent: November 19, 2002
    Inventors: Charles Huang, Keith M. Wilcoxen, Chen Chen, Mustapha Haddach, James R. McCarthy
  • Patent number: 6479492
    Abstract: Disclosed are compounds which bind VLA-4. Certain of these compounds also inhibit leukocyte adhesion and, in particular, leukocyte adhesion mediated by VLA-4. Such compounds are useful in the treatment of inflammatory diseases in a mammalian patient, e.g., human, such as asthma, Alzheimer's disease, atherosclerosis, AIDS dementia, diabetes, inflammatory bowel disease, rheumatoid arthritis, tissue transplantation, tumor metastasis and myocardial ischemia. The compounds can also be administered for the treatment of inflammatory brain diseases such as multiple sclerosis.
    Type: Grant
    Filed: January 21, 2000
    Date of Patent: November 12, 2002
    Assignee: Elan Pharmaceuticals, Inc.
    Inventors: Andrei W. Konradi, Michael A. Pleiss, Eugene D. Thorsett, Susan Ashwell, Dimitrios Sarantakis, Gregory S. Welmaker, Anthony Kreft, Christopher Semko, Robert Warren Sullivan, Christopher Joseph Soares, Kiev Sui Ly, Christine M. Tarby
  • Patent number: 6479536
    Abstract: Compounds represented by the formula: wherein R1 and R2 are hydrogen atom, a hydrocarbon group or a heterocyclic group, or R1 and R2 may form, together with the adjacent carbon atom, a 3- to 8-membered homocyclic or heterocyclic ring, W indicates (i) a group represented by the formula:  wherein ring B indicates a 5- to 7-membered ring, or (ii) a group represented by the formula:  wherein R4 indicates (1) an aliphatic hydrocarbon group, which may be substituted with an aromatic group, or (2) an acyl group containing an aromatic group, R5 is hydrogen atom, a C1-6 alkyl, or an acyl group, provided that, when W is Wa, R3 is hydrogen atom, a hydrocarbon group or a heterocyclic group, when W is Wb, R3 indicates a C6-14 aryl group, or salts thereof or prodrugs thereof have an excellent action to inhibit neurodegeneration and the like as well as an excellent brain penetrability and are low in the toxicity, thereby being useful as prophylactic or thera
    Type: Grant
    Filed: June 1, 2001
    Date of Patent: November 12, 2002
    Assignee: Takeda Chemical Industries, Ltd.
    Inventors: Shigenori Ohkawa, Yasuyoshi Arikawa, Kouki Kato, Masahiro Okura, Masaki Setoh
  • Patent number: 6479514
    Abstract: Compounds of formula (I) in which the substituents and symbols have the meanings indicated in the description, are suitable for the control of Helicobacter bacteria.
    Type: Grant
    Filed: November 17, 2000
    Date of Patent: November 12, 2002
    Assignee: Altana Pharma AG
    Inventors: Peter Zimmerman, Gerhard Grundler
  • Patent number: 6479675
    Abstract: The present invention relates to a plurality of novel processes and novel intermediates for preparing 3-(1-hydroxyphenyl-1-alkoximinomethyl)dioxazines, which are known as intermediates for preparing compounds having fungicidal properties (WO 95-04728).
    Type: Grant
    Filed: July 19, 2000
    Date of Patent: November 12, 2002
    Assignee: Bayer Aktiengesellschaft
    Inventors: Herbert Gayer, Bernd Gallenkamp, Peter Gerdes, Ulrich Heinemann, Bernd-Wieland Krüger, Reinhard Lantzsch, Thomas Seitz, Uwe Stelzer
  • Patent number: 6476056
    Abstract: An aryloxyaniline derivative represented by the formula: wherein Ar1 and Ar2 are the same or different, and are each a substituted or unsubstituted phenyl group, a substituted or unsubstituted pyridyl group or a naphthyl group, provided that Ar1 and Ar2 are not both phenyl or both naphthyl and are not phenyl and naphthyl, R1 is a hydrogen atom, a substituted or unsubstituted alkyl group having 1 to 10 carbon atoms, an alkoxy group having 1 to 10 carbon atoms, a substituted or unsubstituted phenyl group or a group of the formula: —NR2(R3) (wherein R2 and R3 are the same or different, and are each a hydrogen atom or an alkyl group having 1 to 10 carbon atoms, X1 is a hydrogen atom, an alkyl group having 1 to 5 carbon atoms, an alkoxy group having 1 to 5 carbon atoms, a phenoxy group, a halogen atom, a trifluoromethyl group, a carbamoyl group or an aminosulfonyl group, Y1 is a branched or unbranched alkylene group having 1 to 6 carbon atoms or a single bond; and pharmaceutically acceptabl
    Type: Grant
    Filed: August 7, 2001
    Date of Patent: November 5, 2002
    Assignees: Taisho Pharmaceutical Co., Ltd., Nihon Nohyaku Co., Ltd.
    Inventors: Atsuro Nakazato, Taketoshi Okubo, Toshio Nakamura, Shigeyuki Chaki, Kazuyuki Tomisawa, Masashi Nagamine, Kenji Yamamoto, Koichiro Harada, Masanori Yoshida
  • Patent number: 6476023
    Abstract: Disclosed are novel aromatic heterocyclic compounds of the formula(I) wherein Ar1,Ar2,L,Q and X are described herein. The compounds are useful in pharmaceutic compositions for treating diseases or pathological conditions. Also disclosed are processes of making such compounds.
    Type: Grant
    Filed: November 20, 2000
    Date of Patent: November 5, 2002
    Assignee: Boehringen Ingelheim Pharmaceuticals, Inc.
    Inventors: Pier F. Cirillo, Eugene R. Hickey, John R. Regan
  • Patent number: 6476226
    Abstract: This invention relates to novel isoxazolines and isoxazoles of formula (I): or a pharmaceutically acceptable salt or prodrug form thereof. The invention relates to novel isoxazolines which are useful as antagonists of the platelet glycoprotein IIb/IIIa fibrinogen receptor complex, to pharmaceutical compositions containing such compounds, processes for preparing such compounds, and to methods of using these compounds, alone or in combination with other therapeutic agents, for the inhibition of platelet aggregation, as thrombolytics, and/or for the treatment of thromboembolic disorders.
    Type: Grant
    Filed: July 13, 2001
    Date of Patent: November 5, 2002
    Assignee: Bristol-Myers Squibb Pharma Company
    Inventors: Joanne M. Smallheer, Shuaige Wang, Prabhakar Kondaji Jadhav
  • Patent number: 6476048
    Abstract: This invention provides a novel class of substituted 6(5H)phenanthridinone compounds. Pharmaceutical compositions, and methods of making and using the compounds, or a pharmaceutically acceptable salt, hydrate, prodrug, or mixture thereof are also described.
    Type: Grant
    Filed: June 22, 2000
    Date of Patent: November 5, 2002
    Assignee: Inotek Pharamaceuticals Corporation
    Inventors: Csaba Szabo, Prakash Jagtap, Garry Southan, Andrew Salzman
  • Patent number: 6472397
    Abstract: The compounds represented by the formula (I), and pharmacologically acceptable salts and solvates thereof are disclosed. The compound is hydrolyzed in organisms into a compound represented by the formula in which W represents a hydrogen atom, and D represents the group —V—(CH2)p—COOR, wherein R represents a hydrogen atom. The compound inhibits the aggregation of platelets via the inhibition of the linkage of the platelet membrane protein GPIIb/IIIa to fibrinogen. wherein A represents CH2 or CO, B represents the group —(CH2)k— or —(CH2)m—CO—, X and Y are different from each other and represent N or CH, W represents an ester moiety which can be removed under the physiological condition, and Z represents the groups (II) or (III): wherein D represents the group —V—(CH2)p—COOR.
    Type: Grant
    Filed: November 3, 2000
    Date of Patent: October 29, 2002
    Assignee: Meiji Seika Kaisha, Ltd.
    Inventors: Kazumi Ota, Kazuko Kobayashi, Tomoaki Miura, Takahiro Imai, Kazumasa Aizawa, Hisashi Suzuki, Shokichi Ohuchi, Kiyoaki Katano, Takashi Ando
  • Patent number: 6469043
    Abstract: The present invention creates a novel antiangiogenic agent and provides an antitumor agent which shows high safety as compared with conventional antitumor agents, has a sure effect and is able to be administered for a long period. That is, it provides an indole compound represented by the following formula (I), its pharmacologically acceptable salt or hydrates thereof. In the formula, R1 represents hydrogen atom, a halogen atom or cyano group; R2 and R3 are the same as or different from and each represents hydrogen atom, a C1˜C4 lower alkyl group or a halogen atom; R4 represents hydrogen atom or a C1˜C4 lower alkyl group; and the ring A represents cyanophenyl group, aminosulfonylphenyl group, aminopyridyl group, aminopyrimidyl group, a halopyridyl group or cyanothiophenyl group, provided that the case where all of R1, R2 and R3 are hydrogen atoms, where both R2 and R3 are hydrogen atoms or where the ring A is aminosulfonyl group and both R1 and R2 are halogen atoms is excluded.
    Type: Grant
    Filed: September 28, 2000
    Date of Patent: October 22, 2002
    Assignee: Eisai Co., Ltd.
    Inventors: Toru Haneda, Akihiko Tsuruoka, Junichi Kamata, Tadashi Okabe, Keiko Takahashi, Kazumasa Nara, Shinichi Hamaoka, Norihiro Ueda, Takashi Owa, Toshiaki Wakabayashi, Yasuhiro Funahashi, Taro Semba, Naoko Hata, Yuji Yamamoto, Yoichi Ozawa, Noako Tsukahara
  • Patent number: 6465449
    Abstract: The invention relates to compounds of the formula 1 and to pharmaceutically acceptable salts and solvates thereof, wherein A, X, R1, R3 and R4 are as defined herein. The invention also relates to methods of treating abnormal cell growth in mammals by administering the compounds of formula 1 and to pharmaceutical compositions for treating such disorders which contain the compounds of formula 1. The invention also relates to methods of preparing the compounds of formula 1.
    Type: Grant
    Filed: January 20, 2000
    Date of Patent: October 15, 2002
    Assignee: Pfizer Inc.
    Inventors: John Charles Kath, Norma Jacqueline Tom, Eric David Cox, Samit Kumar Bhattacharya
  • Patent number: 6465467
    Abstract: Compounds of the general formula (I): wherein the variables are as defined in the specification are useful for the prophylaxis or treatment of serotonin-related, especially 5-HT2 receptor-related, diseases in human beings or animals, particularly diseases related to the 5-HT2c receptor, especially diseases such as eating disorders, memory disorders, schizophrenia, mood disorders, anxiety disorders, pain, sexual dysfunctionions, and urinary disorders.
    Type: Grant
    Filed: June 8, 2000
    Date of Patent: October 15, 2002
    Assignee: Biovitrum AB
    Inventors: Björn Nilsson, Jan Tejbrant, Benjamin Pelcman, Erik Ringberg, Markus Thor, Jonas Nilsson, Mattias Jönsson