Patents Examined by Tamthom T. Ngo
  • Patent number: 5856324
    Abstract: The present invention relates to the use of dioxomorpholines of the formula (I) ##STR1## in which the radicals R.sup.1 to R.sup.5 have the meanings given in the description, their use for combating endoparasites and new dioxomorpholines and processes for their preparation.
    Type: Grant
    Filed: May 2, 1997
    Date of Patent: January 5, 1999
    Assignee: Bayer Aktiengesellschaft
    Inventors: Andrew Plant, Jurgen Scherkenbeck, Peter Jeschke, Achim Harder, Norbert Mencke
  • Patent number: 5854249
    Abstract: A method for the treatment or prophylaxis of one or more conditions or disorders selected from the group consisting of physiological pain, diarrhea, urinary incontinence, mental illness, drug and alcohol addiction/overdose, lung edema, depressioysema, apnea, cognitive disorders and gastrointestinal disorders, comprising administration to a subject in need of such treatment or prophylaxis, of a diarylmethylpiperazine or piperidine opioid compound.
    Type: Grant
    Filed: May 28, 1997
    Date of Patent: December 29, 1998
    Assignee: Delta Pharmaceuticals, Inc.
    Inventors: Kwen-Jen Chang, Grady Evan Boswell, Dulce Garrido Bubacz, Mark Allan Collins, Ann Otstot Davis, Robert Walton McNutt, Jr.
  • Patent number: 5852028
    Abstract: Compounds having utility as anti-inflammatory agents in general and, more specifically, for the prevention and/or treatment of immunoinflammatory and autoimmune diseases are disclosed. The compounds are pyrimidine-containing compounds and, in one embodiment, are esters of the same. Methods are also disclosed for preventing and/or treating inflammatory conditions by administering to an animal in need thereof an effective amount of a compound of this invention, preferably in the form of a pharmaceutical composition.
    Type: Grant
    Filed: December 18, 1995
    Date of Patent: December 22, 1998
    Assignee: Signal Pharmaceuticals, Inc.
    Inventors: Mark J. Suto, Leah M. Gayo, Moorthy S. S. Palanki, Lynn J. Ransone-Fong
  • Patent number: 5849758
    Abstract: New herbicidal pyrimidine derivatives of general formula (I), ##STR1## wherein Z represents a nitrogen atom; A represents a substituted aryl group or an optionally substituted pyridyl or pyrazolyl group; n represents an integer from 0 to 2 and R.sup.1 or each R.sup.1 independently represents a hydrogen atom or an optionally substituted alkyl, alkoxy, alkylthio or dialkylamino group; m represents an integer from 0 to 5 and R.sup.2 or each R.sup.2 independently represents a hydrogen or a halogen atom or an optionally substituted alkyl, haloalkyl, haloalkoxy, alkoxy, alkylthio group or a nitro, cyano or a halosulphonyl group; and X represents an oxygen or sulphur atom.
    Type: Grant
    Filed: August 7, 1996
    Date of Patent: December 15, 1998
    Assignee: American Cyanamid Company
    Inventors: Axel Kleemann, Helmut Siegfried Baltruschat, Thekla Hulsen, Thomas Maier, Stefan Scheiblich
  • Patent number: 5847158
    Abstract: A process for preparing a compound of formula (I): ##STR1## wherein R is C.sub.1 -C.sub.6 alkyl, C.sub.3 -C.sub.6 cycloalkyl or benzyl, and wherein the phenyl moiety of said benzyl group is optionally substituted with one or two substituents each independently selected from halo, nitro, C.sub.1 -C.sub.6 alkyl, C.sub.1 -C.sub.6 alkoxy, amino and trifluoromethyl, which comprises treating a solution of a compound of formula (II): ##STR2## wherein R is as defined for formula (I), and a halonitromethane in a first organic solvent, with a quaternary ammonium fluoride of formula (III):R.sup.1 R.sup.2 R.sup.3 F.sup.4 N.sup.+ F.sup.- (III)wherein R.sup.1,R.sup.2,R.sup.3 and R.sup.4 are each independently selected from C.sub.1 -C.sub.8 alkyl and benzyl, optionally in solution in a second organic solvent.
    Type: Grant
    Filed: June 19, 1997
    Date of Patent: December 8, 1998
    Assignee: Pfizer Inc.
    Inventor: Nicholas John Lawson
  • Patent number: 5847211
    Abstract: The invention relates to new 1H-3-aryl-pyrrolidine-2,4-dione derivatives of the formula (I) ##STR1## in which A, B, X, Y and G have the meanings given in the description,to a plurality of processes for their preparation, and to their use as pesticides.
    Type: Grant
    Filed: December 3, 1996
    Date of Patent: December 8, 1998
    Assignee: Bayer Aktiengesellschaft
    Inventors: Reiner Fischer, Thomas Bretschneider, Bernd-Wieland Kruger, Michael Ruther, Christoph Erdelen, Ulrike Wachendorff-Neumann, Hans-Joachim Santel, Markus Dollinger
  • Patent number: 5843984
    Abstract: Sulfated benzothiophenes of the formula I ##STR1## wherein R.sup.1 is hydrogen, hydroxy, C.sub.1 -C.sub.4 alkoxy, --OCOO(C.sub.1 -C.sub.6 alkyl), --OCO(C.sub.1 -C.sub.6 alkyl), --OCOAr wherein Ar is phenyl or optionally substituted phenyl, --OSO.sub.2 (C.sub.4 -C.sub.6 straight chain alkyl), or --OSO.sub.3 H;R.sup.2 is R.sup.1, Cl or F; with the proviso that at least one of R.sup.1 or R.sup.2 is --OSO.sub.3 H;R.sup.3 is 1-piperidinyl, 1-pyrrolidinyl, methyl-1-pyrrolidinyl, dimethyl-1-pyrrolidino, 4-morpholino, dimethylamino, diethylamino, diisopropylamino, or 1-hexamethyleneimino; andn is 2 or 3;or a pharmaceutically acceptable salt or solvate thereof.
    Type: Grant
    Filed: April 14, 1997
    Date of Patent: December 1, 1998
    Assignee: Eli Lilly and Company
    Inventors: Michael Paul Clay, Charles Alan Frolik, Charles David Jones, Terry Donald Lindstrom
  • Patent number: 5837719
    Abstract: The present invention addresses 2, 5-substituted aryl pyrroles of the formula: ##STR1## or a pharmaceutically acceptable salts thereof, as well as compositions containing such compounds and methods of treatment. The compounds are useful for treating Cytokine mediated diseases, which refers to diseases or conditions in which excessive or unregulated production or activity of one or more cytokines occurs. Interleukin-1 (IL-1), Interleukin-6 (IL-6), Interleukin-8 (IL-8) and Tumor Necrosis Factor (TNF) are cytokines which are involved in immunoregulation and other physiological conditions, such as inflammation. The compounds also have glucagon antagonist activity.
    Type: Grant
    Filed: August 8, 1996
    Date of Patent: November 17, 1998
    Assignee: Merck & Co., Inc.
    Inventors: Stephen E. de Laszlo, Nigel J. Liverton, Gerald S. Ponticello, Harold G. Selnick, Nathan B. Mantlo
  • Patent number: 5834411
    Abstract: An aqueous metal cleaning composition is provided which comprises an alkalinity providing agent such as alkali metal carbonate and/or bicarbonate salts and a low foaming surfactant. The aqueous cleaning solution has specific foam height and foam collapse characteristics, and provides for substantially complete phase separation of a contaminant phase from the aqueous cleaning composition such that there is substantially no aqueous phase drag out into the contaminant phase; and the contaminant phase can be removed easily, and the aqueous cleaning solution can be recovered and reused.
    Type: Grant
    Filed: September 5, 1996
    Date of Patent: November 10, 1998
    Assignee: Church & Dwight Co., Inc
    Inventors: Steven A. Bolkan, Gale A. Byrnes, Steven Dunn, Alfredo Vinci, Antony E. Winston, Patricia L. Phillips
  • Patent number: 5827877
    Abstract: The present invention is directed to novel ketomethylene group-containing inhibitors of cysteine or serine proteases. Methods for the use of the protease inhibitors are also described.
    Type: Grant
    Filed: May 7, 1996
    Date of Patent: October 27, 1998
    Assignee: Cephalon, Inc.
    Inventor: Sankar Chatterjee
  • Patent number: 5824822
    Abstract: A phosphine-phosphinite compound represented by formula (I): ##STR1## wherein R.sup.1 and R.sup.2, which may be the same or different, each represent a substituted or unsubstituted phenyl group or a substituted or unsubstituted naphthyl group, and a process for preparing a 4-?(R)-1'-formylethyl!azetidin-2-one derivative using the compound (I). The compound (I), either in combination, or as a complex, with a transition metal compound, is useful as a catalyst for asymmetric hydroformylation and makes it possible to easily synthesize an important intermediate for carbapenem antibiotics or a precursor thereof at high regioselectivity and diastereo-selectivity.
    Type: Grant
    Filed: July 9, 1996
    Date of Patent: October 20, 1998
    Assignee: Takasago International Corporation
    Inventors: Takao Saito, Akifumi Yoshida, Kazuhiko Matsumura, Takashi Miura, Hidenori Kumobayashi
  • Patent number: 5824813
    Abstract: A number of layered vanadium oxide crystalline compositions are prepared by simple hydrothermal reactions. Generally, the compositions comprise parallel layers of mixed valence vanadium oxides with guest cations intercalated between the layers. The guest cations may comprise metal coordination complexes with bidentate ligands, monomeric ammonium or diammonium cations, or mixtures of alkali metal cations with monomeric ammonium cation or diammonium cations.
    Type: Grant
    Filed: October 31, 1997
    Date of Patent: October 20, 1998
    Assignees: NEC Research Institute, Inc., Texas A&M University, Syracuse University
    Inventors: Jeffrey Robert Douglas DeBord, Robert C. Haushalter, Yiping Zhang
  • Patent number: 5824679
    Abstract: The invention concerns novel phosphanoxides of formula 1 in which R.sup.1 means aryl or heteroaryl group. The invention further concern the optically active forms, racemates and diastereomers mixtures of these compounds, a method of preparing them and pharmaceutical compositions containing these compounds, and methods of use to produce a thrombin-inhibiting effect.
    Type: Grant
    Filed: February 28, 1997
    Date of Patent: October 20, 1998
    Assignee: Boehringer Mannheim GmbH
    Inventors: Wolfgang Von Der Saal, Herbert Leinert, Karlheinz Stegmeier
  • Patent number: 5821251
    Abstract: This invention concerns a compounds of generic formula: ##STR1## or a pharmaceutically acceptable salt thereof, where the dotted lines represent optional bonds with the nitrogen ring optional bonds being between one adjacent pair on ring atoms,R.sup.3 is an optionally substituted C.sub.6 -C.sub.10 aryl or heteroaryl group; said aryl or heteroaryl radicals being optionally substituted by one or more substituents the same or different,R.sup.4 represents hydrogen, or a group of formula --CR.sup.a R.sup.b R.sup.c where R.sup.a, R.sup.b and R.sup.c are independently selected from hydrogen, C.sub.1 -C.sub.6 alkyl, optionally substituted C.sub.6 -C.sub.10 aryl, optionally substituted heteroaryl, C.sub.1 -C.sub.6 alkyl substituted by optionally substituted C.sub.6 -C.sub.10 aryl or heteroaryl,R' represents one or more optional substituents the same or different, selected from one or more of the following: halogen, C.sub.1 -C.sub.6 alkyl, C.sub.2 -C.sub.7 alkoxycarbonyl, C.sub.1 -C.sub.
    Type: Grant
    Filed: April 10, 1996
    Date of Patent: October 13, 1998
    Assignee: John Wyeth & Brother Limited
    Inventors: Roger Crossley, Albert Opalko, Peter Jonathan Meade, Barry John Langham
  • Patent number: 5817659
    Abstract: This invention relates to stable crystalline salts of (6R,S)-, (6S)- and (6R)-tetrahydrofolic acid, to methods of preparing these salts and to their use as an ingredient for the production of drugs and pharmaceutical preparations.
    Type: Grant
    Filed: November 7, 1996
    Date of Patent: October 6, 1998
    Assignee: Eprova AG
    Inventors: Hans R. Muller, Martin Ulmann, Rudolf Moser, Thomas Ammann
  • Patent number: 5817683
    Abstract: Naphthoic derivatives of the Formula (I) ##STR1## wherein the variables are defined herein; and pharmaceutical compositions containing these compounds, and their use as endothelin receptor antagonists are disclosed.
    Type: Grant
    Filed: April 8, 1996
    Date of Patent: October 6, 1998
    Assignee: SmithKline Beecham Corporation
    Inventors: John Duncan Elliott, Jia-Ning Xiang
  • Patent number: 5817656
    Abstract: 2-Methyl-4-(4-methyl-1-piperazinyl)-10H-thieno-?2,3-b!?1,5!benzodiazepine, or an acid salt thereof, has pharmaceutical properties, and is of particular use in the treatment of mental disorders.
    Type: Grant
    Filed: November 13, 1996
    Date of Patent: October 6, 1998
    Assignees: Eli Lilly and Company, Eli Lilly and Company Limited
    Inventors: Charles M. Beasley, Jr., Jiban Kumar Chakrabarti, Terrence Michael Hotten, David Edward Tupper
  • Patent number: 5817657
    Abstract: 2-Methyl-4-(4-methyl-1-piperazinyl)-10H-thieno-?2,3-b!?1,5!benzodiazepine, or an acid salt thereof, has pharmaceutical properties, and is of particular use in the treatment of disorders relating to the use of psychoactive substances.
    Type: Grant
    Filed: November 13, 1996
    Date of Patent: October 6, 1998
    Assignees: Eli Lilly and Company, Eli Lilly and Company Limited
    Inventors: Charles M. Beasley, Jr., Jiban Kumar Chakrabarti, Terrence Michael Hotten, David Edward Tupper
  • Patent number: 5817655
    Abstract: 2-Methyl-4-(4-methyl-1-piperazinyl)-10H-thieno -?2,3-b!?1,5!benzodiazepine, or an acid salt thereof, has pharmaceutical properties, and is of particular use in the treatment of disorders of the central nervous system.
    Type: Grant
    Filed: November 13, 1996
    Date of Patent: October 6, 1998
    Assignees: Eli Lilly and Company, Eli Lilly and Company Limited
    Inventors: Jiban Kumar Chakrabarti, Terrence Micharl Hotten, David Edward Tupper
  • Patent number: 5807851
    Abstract: Derivatives of 2,3-benzodiazepine are substituted by one or two halogen atom(s) and have the general formula ##STR1## These derivatives are non-competitive AMPA antagonists and are used in pharmaceutical compositions.
    Type: Grant
    Filed: April 4, 1997
    Date of Patent: September 15, 1998
    Assignee: Egis Gyogyszergyar Rt.
    Inventors: Istvan Ling, Gizella Abraham, Pal Berzsenyi, Istvan Tarnawa, Sandor Solyom, Ferenc Andrasi, Tamas Hamori, Emese Csuzdi, Katalin Horvath, Melinda Gal, Imre Moravcsik, Marta Szollosy