Patents Examined by Hong Liu
  • Patent number: 6306851
    Abstract: This invention provides compounds of the formula: wherein A and B are independent substituents selected from S, CH or N; provided that when A is S, B is CH or N; and when B is S, A is CH or N; and A and B cannot both be CH; and when A and B both equal N, one N may be optionally substituted with an C1 to C6 alkyl group; R1 and R2 are independent substituents selected from the group of H, C1 to C6 alkyl, substituted C1 to C6 alkyl, C2 to C6 alkenyl, substituted C2 to C6 alkenyl, C2 to C6 alkynyl, substituted C2 to C6 alkynyl, C3 to C8 cycloalkyl, substituted C3 to C8 cycloalkyl, aryl, substituted aryl, heterocyclic, substituted heterocyclic, CORA, or NRBCORA; or R1 and R2 are fused to form optionally substituted 3 to 8 membered spirocyclic alkyl, alkenyl or heterocyclic ring, the heterocyclic ring containing one to three heteroatoms selected from the group of O, S and N; or pharmaceutically useful salts thereof.
    Type: Grant
    Filed: April 19, 2000
    Date of Patent: October 23, 2001
    Assignees: American Home Products Corporation, Ligand Pharmaceuticals, Inc.
    Inventors: Arthur A. Santilli, Andrew Q. Viet, Puwen Zhang, Andrew Fensome, Jay E. Wrobel, James P. Edwards, Todd K. Jones, Christopher M. Tegley, Lin Zhi
  • Patent number: 6303623
    Abstract: A bicyclolactam compound of the formula (1) is disclosed, which has an excellent anxiolytic effect, is high in safety, and is useful as an effective component of medicinals which are greatly diminished in side effects such as hypnotic, muscle relaxant and sedative effects A bicyclolactam derivative represented by the following formula (1) is also disclosed, and is useful as an effective component of an anxiolytic agent
    Type: Grant
    Filed: May 31, 2000
    Date of Patent: October 16, 2001
    Inventors: Junji Yamamoto, Takashi Arima, Nobuo Kasahara, Masato Nanri, Kazuo Ogawa, Ichiro Yamawaki, Manabu Kaneda
  • Patent number: 6303614
    Abstract: The present invention concerns the compounds of formula the N-oxide forms, the pharmaceutically acceptable addition salts and the stereochemically isomeric forms thereof, wherein R1 is hydrogen, optionally substituted C1-6alkyl, aryl; R2 is each independently a halogen, hydroxy, C1-6alkyl, C1-6alkyloxy or nitro; n is 0, 1, 2 or 3; Alk is C1-6alkanediyl; D is an optionally substituted saturated or unsaturated nitrogen containing heterocycle; and aryl is optionally substituted phenyl; having a great therapeutic breadth. It further relates to their use as a medicine, their preparation as well as compositions containing them.
    Type: Grant
    Filed: March 7, 2000
    Date of Patent: October 16, 2001
    Inventors: Ludo Edmond Josephine Kennis, Josephus Carolus Mertens
  • Patent number: 6297196
    Abstract: Benzoyl derivatives of the formula (I), process for their preparation and their use as herbicides and plant growth regulators are described. In this formula (I), R1, R2, R3, R4 and R5 are various organic radicals, Q is isothiazole, isoxazole, cyclohexanedione or a &bgr;-ketonitrile radical and A, B, E and X are divalent units containing one or more atoms.
    Type: Grant
    Filed: September 2, 1999
    Date of Patent: October 2, 2001
    Assignee: Hoechst Schering AgrEvo GmbH
    Inventors: Andreas Van Almsick, Lothar Willms, Thomas Auler, Hermann Bieringer, Christopher Rosinger
  • Patent number: 6291465
    Abstract: The invention relates to compounds of the formula wherein R is hydrogen, lower alkyl, lower alkoxy halogen, amino, —N(R6)2 or trifluoromethyl; R1 is hydrogen lower alkoxy or halogen, R and R1 may be together —CH═CH—CH═CH—; R2 is halogen, lower alkyl or trifluoromethyl; R3 is hydrogen or lower alkyl; R4 is hydrogen or a cyclic tertiary amine, optionally substituted by lower alkyl; R5 is hydrogen, nitro, amino or —N(R6)2; R6 is hydrogen or lower alkyl, X is —C(O)N(R6)—, —(CH2)nO—, (CH2)nN(R6)—, —N(R6)C(O)— or —N(R6)(CH2)n—; and n is 1 or 2; and pharmaceutically acceptable acid addition salts thereof. The compounds of formula I may be used for the treatment of diseases related to the NK-1 receptor.
    Type: Grant
    Filed: February 25, 2000
    Date of Patent: September 18, 2001
    Assignee: Hoffmann-La Roche Inc.
    Inventors: Michael Bös, Guido Galley, Thierry Godel, Torsten Hoffmann, Walter Hunkeler, Patrick Schnider, Heinz Stadler
  • Patent number: 6291425
    Abstract: This invention relates to compounds, pharmaceutical compositions, and methods of using the disclosed compounds for inhibiting PARP.
    Type: Grant
    Filed: September 1, 1999
    Date of Patent: September 18, 2001
    Assignee: Guilford Pharmaceuticals Inc.
    Inventors: Jia-He Li, Jie Zhang
  • Patent number: 6288078
    Abstract: There are disclosed compounds of formula (I) and pharmaceutically acceptable salts thereof which are useful as antagonists of GnRH and as such may be useful for the treatment of a variety of sex-hormone related and other conditions in both men and women.
    Type: Grant
    Filed: March 7, 2000
    Date of Patent: September 11, 2001
    Assignee: Merck & Co., Inc.
    Inventors: Thomas F. Walsh, Feroze Ujjainwalla
  • Patent number: 6284889
    Abstract: The invention relates to chromophoric NLO-active compounds of the general formula and to a process for preparing such compounds. The compounds according to the invention can be used for preparing NLO-active polymers and thus for constructing electrooptical and photonic components.
    Type: Grant
    Filed: March 9, 1999
    Date of Patent: September 4, 2001
    Assignee: Siemens Aktiengesellschaft
    Inventors: Andreas Kanitz, Horst Hartmann, Christian Fricke
  • Patent number: 6284758
    Abstract: An angiogenesis promoter and angiogenesis potentiator containing a pyridazinone compound of the formula (I) wherein each symbol is as defined in the specification, or a pharmacologically acceptable salt thereof, as an active ingredient. The pyridazinone compound (I) and a pharmacologically acceptable salt thereof in the present invention promote angiogenesis and potentiate the angiogenic effect of a drug having such effect, and are useful as an angiogenesis promoter and angiogenesis potentiator.
    Type: Grant
    Filed: February 25, 2000
    Date of Patent: September 4, 2001
    Assignees: Welfide Corporation, Nissan Chemical Industries, Ltd.
    Inventors: Yasuhiro Egi, Hideaki Kido, Kazutaka Hayashi, Yoshiji Kubo, Norifumi Nakamura
  • Patent number: 6281209
    Abstract: The invention relates to alkoximinomethyldioxazine compounds and intermediates thereof, and to process for the preparation of the alkoximinomethyldioxazine compounds and intermediates thereof.
    Type: Grant
    Filed: September 10, 1999
    Date of Patent: August 28, 2001
    Assignee: Bayer Aktiengesellschaft
    Inventors: Peter Gerdes, Herbert Gayer, Bernd-Wieland Krüger, Ulrich Heinemann, Bernd Gallenkamp, Ralf Tiemann, Stefan Dutzmann, Karl-Heinz Kuck, Klaus Stenzel
  • Patent number: 6277847
    Abstract: This invention relates to herbicidal compounds of formula (I), methods of making such herbicidal compounds and methods of using such herbicidal compounds. It has been found that compounds of formula (I) are useful as pre-emergent and post-emergent herbicides. Formula (I) is as follows: where Q, X, Y, n, and R are as described herein. This invention is also directed to intermediates used in the preparation of such herbicidal compounds.
    Type: Grant
    Filed: March 30, 2000
    Date of Patent: August 21, 2001
    Assignee: FMC Corporation
    Inventors: George Theodoridis, Scott D. Crawford
  • Patent number: 6277878
    Abstract: This invention provides a compound of the following formula: or the pharmaceutically acceptable salts thereof wherein R1 is H or C1-4 alkyl; R2 is C(═L′)R3 or So2R4; Y is a direct bond or C1-4 alkylene; L and L′ are independently oxygen or sulfur; Q is selected from the following: C1-6 alkyl, halo-substituted C1-4 alkyl, optionally substituted C3-7 cycloalkyl, optionally substituted phenyl or naphthyl, optionally substituted 5 or 6-membered monocyclic aromatic group; R3 is —OR6, —NR7R8, N(OR1)R7 or a group of formula: Z is a direct bond, O, S or NR5; R4 is C1-6 alkyl, halo-substituted C1-4 alkyl, optionally substituted phenyl or naphthyl; R5 is C1-4 alkyl or halo-substituted C1-4 alkyl; R6 is C1-4 alkyl C3-7 cycloalkyl, C1-4 alkyl-C3-7 cycloalkyl, halo-substituted C1-4 alkyl, optionally substituted C1-4 alkyl-phenyl or phenyl; R7 and R8 are each selected from the following: H, optionally substituted C1-6 alkyl, optionally substituted C3-7 cyclo
    Type: Grant
    Filed: August 26, 1999
    Date of Patent: August 21, 2001
    Assignee: Pfizer Inc
    Inventors: Kazunari Nakao, Rodney W. Stevens, Kiyoshi Kawamura, Chikara Uchida
  • Patent number: 6277858
    Abstract: Novel pyrimidin-4-one and pyrimidin-4-thione derivatives of formula I wherein A is phenyl, thienyl (including all 3 isomers), thiazolyl, pyridyl or pyridazinyl; X is oxygen or sulfur; R1 is hydrogen, halogen or trimethylsilyl, R2 is hydrogen, halogen or trimethylsilyl; at least one of R1 and R2 is not hydrogen; R3 is C1-C8alkyl, C1-C8alkenyl, C1-C8alkinyl which are unsubstituted or mono to tri-substituted by C3-C6cycloalkyl, halogen, C1-C6alkoxy or C1-C6haloalkoxy; O—C1-C6alkyl, O—C2-C6alkenyl, O—C2-C6alkynyl, which are unsubstituted or mono to tri-substituted by C3-C6cycloalkyl, halogen or C1-C6alkoxy; N—C1-C6alkyl; or N═CHC1-C6alkyl; R4 is C1-C8alkyl, C1-C8alkeanyl, C1-C8alkinyl which are unsubstituted or mono to tri-substituted by C3-C6cycloalkyl, halogen, cyano, C1-C6alkoxy or C1-C6haloalkoxy; C1-C4alkoxy-C1-C4alkoxy; C1-C4alkoxy-C1-C4alkylthio; nitro; —CO—C1-C6alkyl; C3-C6cycloalkyl; or phenyl, which is unsubstituted or mono to tri-substi
    Type: Grant
    Filed: March 9, 2000
    Date of Patent: August 21, 2001
    Assignee: Syngenta Crop Protection, Inc.
    Inventor: Harald Walter
  • Patent number: 6277841
    Abstract: The present invention relates to novel ligands for forming metal complexes that absorb or fluoresce in the visible or near-infrared (NIR) region of the electromagnetic spectrum, new complexes incorporating such ligands, process for preparing such complexes, and methods of imaging or therapy using such agents. More particularly, the present invention specifically pertains to novel metal complexes derived from quinoline based heterocyclic N2O3, N3O3, N3O4, N3O5 and N2OS ligands, and are useful as general imaging, diagnostic, or therapeutic agents employing optical, nuclear medicine, or magnetic resonance procedures.
    Type: Grant
    Filed: March 2, 2000
    Date of Patent: August 21, 2001
    Assignee: Mallinckrodt Inc.
    Inventors: Raghavan Rajagopalan, Samuel I. Achilefu, Joseph E. Bugaj, Richard B. Dorshow
  • Patent number: 6277853
    Abstract: The invention concerns novel indole piperazine derivatives of Formula (I): It also concerns a method for preparing said compounds and their use as therapeutically active substances, in particular for treating or preventing diseases related to the dysfunction of 5 -HT1-like receptors.
    Type: Grant
    Filed: February 23, 2000
    Date of Patent: August 21, 2001
    Assignee: Pierre Fabre Medicament
    Inventors: Michel Perez, Serge Halazy
  • Patent number: 6274587
    Abstract: Compounds of formula I are useful in treating diseases prevented by or ameliorated with potassium channel openers. Also disclosed are potassium channel opening compositions and a method of opening potassium channels in a mammal.
    Type: Grant
    Filed: November 19, 1999
    Date of Patent: August 14, 2001
    Assignee: Abbott Laboratories
    Inventors: Mark W. Holladay, William A. Carroll, Irene Drizin, Lin Yi, Henry Q. Zhang
  • Patent number: 6268120
    Abstract: Methods are provided for neutralization of microorganisms in fluids or on surfaces. Preferably the fluids contain blood or blood products and comprise biologically active proteins. Preferred methods include the steps of adding an activation-effective amount of a microorganism neutralizer with an isoalloxazine backbone to a fluid and exposing the fluid to a triggering event. Preferred triggering events include light of a suitable wavelength and intensity to activate the microorganism neutralizer or a pH sufficient to activate the microorganism neutralizer. Other fluids, including juices, water and the like, may also be decontaminated by these methods as may surfaces of foods, animal carcasses, wounds, food preparation surfaces and bathing and washing vessel surfaces. Compounds with an isoalloxazine backbone are also provided.
    Type: Grant
    Filed: October 19, 1999
    Date of Patent: July 31, 2001
    Assignee: Gambro, Inc.
    Inventors: Matthew Stewart Platz, Raymond Paul Goodrich, Jr.
  • Patent number: 6265399
    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 1 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: December 8, 1999
    Date of Patent: July 24, 2001
    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: 6265403
    Abstract: The present invention relates to compounds which inhibit tyrosine kinase enzymes, compositions which contain tyrosine kinase inhibiting compounds and methods of using tyrosine kinase inhibitors to treat tyrosine kinase-dependent diseases and conditions such as angiogenenesis, cancer, atherosclerosis, diabetic retinopathy, and the like in mammals.
    Type: Grant
    Filed: January 7, 2000
    Date of Patent: July 24, 2001
    Assignee: Merck & Co., Inc.
    Inventors: Mark E. Fraley, Randall W. Hungate, Andrew J. Tebben
  • Patent number: 6265605
    Abstract: Novel compounds, N,N′-bis(phosphonomethyl)-N,N′-bis(hydroxycarbonylmethyl)urea and N,N,N′,N′-tetrakis(hydroxycarbonylmethyl)urea, suitable for use in preparing N-acyl aminocarboxylic acids that can be readily converted to N-(phosphonomethyl)glycine are provided. The compounds may be formed by the reaction of bis-(phosophonomethyl)urea or urea respectively with carbon monoxide and formaldehyde in the presence of a carboxymethylation catalyst precursor and solvent.
    Type: Grant
    Filed: February 7, 2000
    Date of Patent: July 24, 2001
    Assignee: Monsanto Company
    Inventors: Todd J. Johnson, Michael K. Stern, David A. Morgenstern, Michael D. Rogers, Yvette M. Fobian, Jeffrey A. Levine