Patents Examined by Andreä D. Small
  • Patent number: 6740153
    Abstract: A bipyrrolinonylidene-type compound is provided which is useful as colorants such as dyes and pigments, or other organic chemical products or intermediates thereof. A method of producing the bipyrrolinonylidene-type compound is also provided, which is suitable for large-scale industrial production with high yield. The bipyrrolinonylidene-type compound is represented by general formula (1). The bipyrrolinonylidene-type compound is obtained by oxidizing a pyrrolinone-type compound represented by the general formula (3) in the presence of an anthraquinone-type catalyst.
    Type: Grant
    Filed: March 11, 2003
    Date of Patent: May 25, 2004
    Assignee: Dainippon Ink and Chemicals, Inc.
    Inventor: Yuji Ohashi
  • Patent number: 6730671
    Abstract: Disclosed are cathepsin S reversible inhibitory compounds of the formulas (I),(Ia) and (II),(IIa) as defined herein. The compounds are useful for treating autoimmune diseases. Also disclosed are processes, for making such novel compounds.
    Type: Grant
    Filed: February 13, 2003
    Date of Patent: May 4, 2004
    Assignee: Boehringer Ingelheim Pharmaceuticals, Inc.
    Inventors: Charles L. Cywin, Michel J. Emmanuel, Tina Morwick, Denice M. Spero, David S. Thomson, Yancey D. Ward
  • Patent number: 6727270
    Abstract: The present invention provides a compound of formula I and the use thereof for the therapeutic treatment of disorders relating to or affected by the 5-HT6 receptor.
    Type: Grant
    Filed: February 13, 2003
    Date of Patent: April 27, 2004
    Assignee: Wyeth
    Inventors: Michael Gerard Kelly, Ping Zhou
  • Patent number: 6727279
    Abstract: The present invention relates to novel arylsulphonamides and analogues, to processes for their preparation and to their use for the prophylaxis and treatment of neurodegenerative disorders, in particular for the treatment of cerebral apoplexy, craniocerebral trauma, pain and spasticity.
    Type: Grant
    Filed: August 21, 2002
    Date of Patent: April 27, 2004
    Assignee: Bayer Aktiengesellschaft
    Inventors: Joachim Mittendorf, Jürgen Dressel, Michael Matzke, Jörg Keldenich, Frank Mauler, Jean-Marie-Victor de Vry, Jürgen Franz, Peter Spreyer, Verena Vöhringer, Joachim Schumacher, Michael-Harold Rock, Ervin Horvàth, Arno Friedl, Klaus-Helmut Mohrs, Siegfried Raddatz, Reinhard Jork
  • Patent number: 6723138
    Abstract: A process for preparing diketopyrrolopyrrole pigments comprises conducting the elementary steps of pigment synthesis (reaction and hydrolysis) in a miniaturized continuous reactor.
    Type: Grant
    Filed: March 6, 2003
    Date of Patent: April 20, 2004
    Assignee: Clariant International Ltd.
    Inventors: Uwe Nickel, Leonhard Unverdorben, Joachim Weber, Erwin Dietz, Juergen Patzlaff
  • Patent number: 6720320
    Abstract: The present invention relates to a phenoxypropylamine compound of the formula (I) wherein each symbol is as defined in the specification, an optically active compound thereof or a pharmaceutically acceptable salt thereof and hydrates thereof, which simultaneously show selective affinity for and antagonistic activity against 5-HT1A receptor, as well as 5-HT reuptake inhibitory activity, and can be used as antidepressants quick in expressing an anti-depressive effect.
    Type: Grant
    Filed: November 23, 2001
    Date of Patent: April 13, 2004
    Assignee: Mitsubishi Pharma Corporation
    Inventors: Akira Nishiyama, Masahiro Bougauchi, Takanobu Kuroita, Masanori Minoguchi, Yasunori Morio, Kouji Kanzaki
  • Patent number: 6719926
    Abstract: A chromene compound which develops yellow to red color, a high color density and a little initial color and which, when used in combination with an existing photochromic compound that exhibits blue color so as to develop a neutral tint, maintains uniformity in the color tone at the time of developing color or fading color, or exhibits a very large color fading rate.
    Type: Grant
    Filed: February 19, 2002
    Date of Patent: April 13, 2004
    Assignee: Tokuyama Corporation
    Inventors: Junji Momoda, Shingo Matsuoka, Hironobu Nagou
  • Patent number: 6720429
    Abstract: The present invention provides a thiocarbonylthio compound represented by formula (I) Wherein n is an integer of 0 to 3; R1 is alkyl, haloalkyl, alkenyl, aryl, alkylaryl, haloalkylaryl, arylalkyl, aminoalkyl, alkylamino, alkoxy, alkoxyaryl, alkyl sulfide, or alkylsilyl; R2 and R3 are independently H, alkyl, haloalkyl, alkenyl, aryl, alkylaryl, arylalkyl, aminoalkyl, alkylamino, alkoxy, alkyl sulfide, or alkylsilyl; R4 and R5 are independently H, alkyl, haloalkyl, alkenyl, aryl, alkylaryl, arylalkyl, aminoalkyl, alkylamino, alkoxy, alkyl sulfide, or alkylsilyl, or R4 and R5 link together with the carbon atoms to which they are attached to form a ring system; and Y is O or S. The thiocarbonylthio compound can be used in a living free radical polymerization to obtain a polymer with high conversion and low polydispersity.
    Type: Grant
    Filed: April 24, 2002
    Date of Patent: April 13, 2004
    Assignee: Industrial Technology Research Institute
    Inventors: Lizamma Mathew, Kuo-Chen Shih
  • Patent number: 6720449
    Abstract: An optically active amino acid derivative is produced by N-protecting an optically active 3-haloalanine derivative followed by cyclization, or cyclizing this derivative followed by N-protection to thereby give an optically active N-protected-aziridine-2-carboxylic acid derivative which is protected by a benzenesulfonyl group substituted by nitro at the 2- and/or 4-positions and then treating this product with an organic metal reagent, or by N-protecting an optically active 3-haloalanine derivative to thereby give N-protected-aziridine-2-carboxylic acid which is protected by a benzenesulfonyl group substituted by nitro at the 2- and/or 4-positions and then treating this product with an organic metal reagent. According to this process, natural and unnatural optically active amino acids can be produced from inexpensive materials by using simple procedures.
    Type: Grant
    Filed: February 5, 2002
    Date of Patent: April 13, 2004
    Assignee: Kaneka Corporation
    Inventors: Masanobu Sugawara, Akio Fujii, Kazumi Okuro, Yasuhiro Saka, Nobuo Nagashima, Kenji Inoue, Toshihiro Takeda, Koichi Kinoshita, Tadashi Moroshima, Yoshihide Fuse, Yasuyoshi Ueda
  • Patent number: 6716834
    Abstract: There is provided compounds of formulae I and IA wherein Y, R1, R2, R3, D1 and D2 have meanings given in the description which are useful as, or as prodrugs of, competitive inhibitors of trypsin-like proteases, such as thrombin, and in particular in the treatment of conditions where inhibition of thrombin is required (e.g. thrombosis) or as anticoagulants.
    Type: Grant
    Filed: November 12, 2002
    Date of Patent: April 6, 2004
    Assignee: AstraZeneca AB
    Inventors: Kjell Andersson, Tord Inghardt, Olle Karlsson, Marcel Linschoten, Jan-Erik Nyström, Gunnel Sundén
  • Patent number: 6712971
    Abstract: An optically active poly(N-&agr;-methylbenzylmaleimide) represented by the following formula (1): wherein n is a number within a range of from 2 to 10,000, and symbol * represents optically active carbon, and having a specific rotation ([&agr;]43525) of at least +30°.
    Type: Grant
    Filed: November 13, 2002
    Date of Patent: March 30, 2004
    Assignee: Tosoh Corporation
    Inventor: Tsutomu Oishi
  • Patent number: 6713473
    Abstract: A compound represented by the formula (I) [A represents a 5- to 7-membered hydrocarbon ring group; L represents —NR3—CO—, —CO—NR3— and the like (R3 represents a hydrogen atom, a lower alkyl group, a lower acyl group and the like); M represents an alkylene linking group (a carbon atom constituting the carbon chain may be replaced with a nitrogen atom, an oxygen atom and the like); X represents —S—, —O—, —NR4—, —NR5—CO— and the like (R4 and R5 represent a hydrogen atom, a lower alkyl group and the like) or a single bond; Y represents an alkyl group, an aryl group, an amino group, an aromatic heterocyclic group and the like; R1 represents a lower alkyl group, a lower alkenyl group, a lower alkynyl group or a lower acyl group; and R21, R22 and R23 represent a hydrogen atom, a hydroxyl group, a lower alkyl group and the like] or a salt thereof.
    Type: Grant
    Filed: February 19, 2002
    Date of Patent: March 30, 2004
    Assignee: Meiji Seika Kaisha, Ltd.
    Inventors: Naoyuki Nishikawa, Masaharu Sugai, Kozo Aoki, Makoto Suzuki, Akihiko Ikegawa, Kazunobu Takahashi, Fukuichi Ohsawa, Naomi Masuda, Nobukazu Kakui, Jiro Tanaka, Yuji Tabata, Kenji Asai
  • Patent number: 6710061
    Abstract: The present invention is directed to compounds useful as selective serine protease or dual-serine protease inhibitors, compositions thereof and methods for treating serine protease or dual-serine protease mediated disorders.
    Type: Grant
    Filed: November 25, 2002
    Date of Patent: March 23, 2004
    Assignee: Ortho-McNeil Pharamceutical, Inc.
    Inventors: Michael N. Greco, Bruce E. Maryanoff, Michael J. Hawkins, Robert E. Boyd
  • Patent number: 6710184
    Abstract: This invention relates to a novel crystalline solid of carvedilol or a solvate thereof, to processes for its preparation, to compositions containing it and to its use in medicine. This invention further relates to a novel process for preparing a crystalline solid of carvedilol Form II.
    Type: Grant
    Filed: January 15, 2003
    Date of Patent: March 23, 2004
    Assignee: Teva Pharmaceutical Industries Ltd.
    Inventors: Ilan Kor, Shlomit Wizel
  • Patent number: 6706716
    Abstract: This invention is directed towards a method of inhibiting activation of a human &agr;1d adrenergic receptor which comprises contacting the receptor with a compound so as to inhibit activation of the receptor, wherein the compound binds selectively to a human &agr;1d adrenergic receptor. This invention provides for a compound which binds selectively to a human &agr;1d adrenergic receptor. The invention further provides a pharmaceutical composition comprising a therapeutically effective amount of the above-defined compounds and a pharmaceutically acceptable carrier. This invention further provides for a method of treating a subject afflicted with a disease which is susceptible to treatment by antagonism of the human &agr;1d adrenergic receptor which comprises administering to the subject an amount of the above defined compounds effective to treat the disease.
    Type: Grant
    Filed: January 17, 2001
    Date of Patent: March 16, 2004
    Assignee: Synaptic Pharmaceutical Corporation
    Inventors: Michael Konkel, John M. Wetzel, Stewart A. Noble, Charles Gluchowski, Douglas A. Craig
  • Patent number: 6706750
    Abstract: A chemical compound of formula (I) wherein: R1 and R2 are independently selected from hydrogen and alkyl; R3 is alkyl; R4, R6 and R7 are independently selected from hydrogen, halogen, hydroxy, alkyl, aryl, amino, alkylamino, dialkylamino, alkoxy, aryloxy, alkylthio, alkylsufoxyl, alkylsulfonyl, nitro, carbonitrile, carbo-alkoxy, carbo-aryloxy and carboxyl; R5 is selected from hydrogen, halogen, hydroxy, alkyl, aryl, amino, alkylamino, dialkylamino, alkoxy, aryloxy, alkylthio, alkylsulfoxyl, alkylsulfonyl, nitro, carbonitrile, carbo-alkoxy, carbo-aryloxy and carboxyl; A is a 5- or 6-membered partially unsaturated or aromatic heterocyclic ring or a 5- or 6-membered partially unsaturated carbocyclic ring, wherein if A is a 6-membered partially unsaturated carbocyclic ring then at least one of R4 to R7 is other than hydrogen, and pharmaceutically acceptable salts, addition compounds and prodrugs thereof, and the use thereof in therapy, particularly as an agonist or antagonist of a 5HT receptor, particularly a 5HT
    Type: Grant
    Filed: March 11, 2002
    Date of Patent: March 16, 2004
    Assignee: Vernalis Research Limited
    Inventors: Jonathan Mark Bentley, Jonathan Richard Anthony Roffey, James Edward Paul Davidson, Howard Langham Mansell, Richard John Hamlyn, Ian Anthony Cliffe, David Reginald Adams, Nathaniel Julius Monck
  • Patent number: 6706891
    Abstract: Processes for the preparation of 4,5-bisimino-[1,3]dithiolanes and 2,3-bisimino-[1,4]dithianes are described. The processes involve conversion of an oxalamide to a dithiooxalamide, followed by conversion of the dithiooxalamide to either a 4,5-bisimino-[1,3]dithiolane or a 2,3-bisimino-[1,4]dithiane.
    Type: Grant
    Filed: November 2, 2001
    Date of Patent: March 16, 2004
    Assignee: Eastman Chemical Company
    Inventors: James Allen Ponasik, Jr., Leslie Shane Moody, Peter Borden Mackenzie
  • Patent number: 6706708
    Abstract: A cytotoxic agent comprising one or more taxanes linked to a cell binding agent. A therapeutic composition for killing selected cell populations comprising: (A) a cytotoxic amount of one or more taxanes covalently bonded to a cell binding agent through a linking group, and (B) a pharmaceutically acceptable carrier, diluent or excipient. A method for killing selected cell populations comprising contacting target cells or tissue containing target cells with an effective amount of a cytotoxic agent comprising one or more taxanes linked to a cell binding agent. Novel sulfur-containing taxanes.
    Type: Grant
    Filed: July 31, 2002
    Date of Patent: March 16, 2004
    Assignee: Immunogen, Inc.
    Inventors: Ravi V. J. Chari, Walter A. Blättler
  • Patent number: 6706889
    Abstract: Dinitropyrazolopyrazole-amine salts are used as burn modifier ingredients in gun propellant compositions.
    Type: Grant
    Filed: December 20, 2002
    Date of Patent: March 16, 2004
    Assignee: The United States of America as represented by the Secretary of the Navy
    Inventors: Alfred G. Stern, Jesse S. Moran, R. Jason Jouet, Michael E. Sitzman, Philip F. Pagoria, Gregory S. Lee
  • Patent number: 6703513
    Abstract: The present invention provides analogues of autoinducer molecules that are derivatized to allow their attachment to other molecules and surfaces. Libraries of the autoinducer analogues are also contemplated. Also provided are methods for using the compounds of the invention to produce compositions, such as immunoconjugates, antibodies and vaccines, which are useful for treating and preventing disease states in a subject. The compositions of the invention are also useful in various assays, including assessing the autoinducer load in a subject.
    Type: Grant
    Filed: June 2, 2000
    Date of Patent: March 9, 2004
    Assignee: K-Quay Enterprises LLC
    Inventor: Steven C. Quay