Patents Examined by Mark Berch
  • Patent number: 8198434
    Abstract: The invention is directed to an improved process for preparing cefsulodin sodium. The process involves: (i) dissolving cefsulodin in a solvent comprising an organic solvent to provide a solution of cefsulodin, (ii) adding about 1 equivalent of a sodium salt of a base to the solution of cefsulodin to provide a solution of cefsulodin sodium, and (iii) separating the cefsulodin sodium from the solution of cefsulodin sodium.
    Type: Grant
    Filed: May 5, 2009
    Date of Patent: June 12, 2012
    Assignee: IDEXX Laboratories, Inc.
    Inventors: Yerramilli V. S. N. Murthy, Edward Obare, Hengguang Li
  • Patent number: 8193164
    Abstract: A compound of formula (I), or stereoisomers or pharmaceutically acceptable salts thereof, wherein, R1a, R1b, R2a, R2b, U1, U2, X1, X2 and L are as defined herein.
    Type: Grant
    Filed: April 19, 2007
    Date of Patent: June 5, 2012
    Assignee: Novartis AG
    Inventors: Robin Alec Fairhurst, Roger John Taylor
  • Patent number: 8193199
    Abstract: Substituted bicyclic heteroaryls having the structures: and compositions containing them, for the treatment of general inflammation, arthritis, rheumatic diseases, osteoarthritis, inflammatory bowel disorders, inflammatory eye disorders, inflammatory or unstable bladder disorders, psoriasis, skin complaints with inflammatory components, chronic inflammatory conditions, including but not restricted to autoimmune diseases such as systemic lupus erythematosis (SLE), myestenia gravis, rheumatoid arthritis, acute disseminated encephalomyelitis, idiopathic thrombocytopenic purpura, multiples sclerosis, Sjoegren's syndrome and autoimmune hemolytic anemia, allergic conditions including all forms of hypersensitivity, The present invention also enables methods for treating cancers that are mediated, dependent on or associated with p110? activity, including but not restricted to leukemias, such as Acute Myeloid leukaemia (AML) Myelo-dysplastic syndrome (MDS) myelo-proliferative diseases (MPD) Chronic Myeloid Leukemi
    Type: Grant
    Filed: March 24, 2008
    Date of Patent: June 5, 2012
    Assignee: Amgen Inc.
    Inventors: Yi Chen, Timothy D. Cushing, Jason A. Duquette, Felix Gonzalez Lopez De Turiso, Xiaolin Hao, Xiao He, Brian Lucas, Lawrence R. McGee, Andreas Reichelt, Robert M. Rzasa, Jennifer Seganish, Youngsook Shin, Dawei Zhang
  • Patent number: 8193182
    Abstract: Chemical entities of Formula I: that modulate PI3 kinase activity, pharmaceutical compositions containing the chemical entities, and methods of using these chemical entities for treating diseases and conditions associated with P13 kinase activity are described herein.
    Type: Grant
    Filed: July 15, 2009
    Date of Patent: June 5, 2012
    Assignee: Intellikine, Inc.
    Inventors: Pingda Ren, Yi Liu, Troy Edward Wilson, Liansheng Li, Katrina Chan, Christian Rommel
  • Patent number: 8188100
    Abstract: A compound of formula (I), or stereoisomers or pharmaceutically acceptable salts thereof, formula (1), or stereoisomers or pharmaceutically acceptable salts thereof, wherein A, U1, U2, R1a, R1b, R2 and R3 have the meanings as indicated in the specification, are useful for treating conditions mediated by activation of the adenosine A2A receptor, especially inflammatory or obstructive airways diseases. Pharmaceutical compositions that contain the compounds and a process for preparing the compounds are also described.
    Type: Grant
    Filed: September 13, 2007
    Date of Patent: May 29, 2012
    Assignee: Novartis AG
    Inventors: Robin Alec Fairhurst, Roger John Taylor
  • Patent number: 8183370
    Abstract: Process for removal of the amino protective group of a N-acylated {(1S,4R)-4-[2-amino-6-(cyclopropylamino)-9H-purin-9-yl]-cyclopent-2-enyl}methanol of formula (II) where R?H or a (C1-C4)-alkyl, using an inorganic base in a mixture of water and alcohol, to yield abacavir or its salts. The process proceeds very fast and the product can be obtained in high yield and purity.
    Type: Grant
    Filed: September 27, 2007
    Date of Patent: May 22, 2012
    Assignee: Esteve Quimica, SA
    Inventors: Jorge Medrano Rupérez, Julio Campon Pardo, Laia Elías Rius, Ramón Berenguer Maimó
  • Patent number: 8178665
    Abstract: A process for the production of 1-(4-3(R)-[3(S)-(4-fluorophenyl)-3-hydroxypropyl]-4(S)-(4-hydroxyphenyl)-2-azetidinone (ezetimibe) according to the following reaction scheme: (I), (II), (III), (IV), (V), (VI), (VII), (VIII), (IX), (X), (XI) where the substances of the general Formulas II, IV, VI, VIII, IX, X and XI are new, Formula III is a non-isolated intermediate, R1, R2 and R3 are represented by the compounds of Formulas Va-Vd, (Va), (Vb), (Vc), (Vd) and R4 is a silyl, e.g., tert-butyl-dimethyl-silyl, tert-butyl-diphenyl-silyl group.
    Type: Grant
    Filed: December 18, 2006
    Date of Patent: May 15, 2012
    Assignee: Richter Gedeon Nyrt.
    Inventors: József Bódi, János Éles, Katalin Szöke, Krisztina Vukics, Tamás Gáti, Krisztina Temesvári, Dorottya Kiss-Bartos
  • Patent number: 8178541
    Abstract: The present invention relates to substituted xanthines of general formula wherein R1 to R3 are as defined herein, the tautomers, the stereoisomers, the mixtures, the prodrugs thereof and the salts thereof which have valuable pharmacological properties, particularly an inhibiting effect on the activity of the enzyme dipeptidylpeptidase-IV (DPP-IV).
    Type: Grant
    Filed: June 20, 2008
    Date of Patent: May 15, 2012
    Assignee: Boehringer Ingelheim Pharma GmbH & Co. KG
    Inventors: Frank Himmelsbach, Elke Langkopf, Matthias Eckhardt, Michael Mark, Roland Maier, Ralf Lotz, Mohammad Tadayyon
  • Patent number: 8168622
    Abstract: ?-lactamase resistant cephalosporin ester compound chosen from those represented by formula (I): wherein, and pharmaceutical salts thereof, composition thereof, and use thereof are disclosed.
    Type: Grant
    Filed: May 21, 2010
    Date of Patent: May 1, 2012
    Assignee: Zhejiang Yongning Pharmaceutical Co., Ltd.
    Inventors: Fengqi Ye, Shanzong Fang, Xiuwei Lu
  • Patent number: 8168643
    Abstract: The present invention provides compositions and methods for reversibly inhibiting S-adenosyl-L-homocysteine (SAH) hydrolase. The compounds of the present invention can be used in combination with an anti-hemorrhagic viral infection agent, an immunosuppressant, a homocysteine lowering agent, or an anti-neoplasm agent. The compositions and methods of the present invention can be used for the prevention and treatment of hemorrhagic virus infection, autoimmune diseases, autograft rejection, neoplasm, hyperhomocysteineuria, cardiovascular disease, stroke, Alzheimer's disease, or diabetes.
    Type: Grant
    Filed: January 5, 2007
    Date of Patent: May 1, 2012
    Assignee: General Atomics
    Inventor: Chong-Sheng Yuan
  • Patent number: 8163762
    Abstract: This invention provides 2-, 6, and 9-substituted purine derivatives, particularly 2(1-R hydroxymethylpropylamino)-6-benzylamino-9-isopropyl purine, having, in particular, antiproliferative properties, and suitable for use as pharmaceutical compositions and herbicidal compositions. Also provided are pharmaceutical compositions and herbicidal compositions comprising the 2-, 6, and 9-substituted purine derivatives, and methods of treatment using the 2-, 6, and 9-substituted purine derivatives.
    Type: Grant
    Filed: December 23, 2009
    Date of Patent: April 24, 2012
    Assignees: Centre National de la Recherche Scientifique (CNRS), Institute of Experimental Botany, Academy of Science of the Czech Republic
    Inventors: Laurent Meijer, Emile Bisagni, Michel Legraverend, Miroslav Strnad
  • Patent number: 8163718
    Abstract: Novel compounds having structure (1) wherein Z, is N or CH to form a purine, Y, R1, R2? and R2 are defined in the specification, are provided for use in the treatment of tumors and the prophylaxis or treatment of viral infections.
    Type: Grant
    Filed: February 19, 2009
    Date of Patent: April 24, 2012
    Assignee: Gilead Sciences, Inc.
    Inventors: Gabriel Birkus, Adrian S. Ray, Daniel B. Tumas, William J. Watkins
  • Patent number: 8163754
    Abstract: Compounds of formula I in free or salt form, wherein R1, R2 and R3 have the meanings as indicated in the specification, are useful for treating conditions mediated by activation of the adenosine A2A receptor, especially inflammatory or obstructive airways diseases. Pharmaceutical compositions that contain the compounds and a process for preparing the compounds are also described.
    Type: Grant
    Filed: October 21, 2005
    Date of Patent: April 24, 2012
    Assignee: Novartis AG
    Inventors: Robin Alec Fairhurst, Roger John Taylor, Harinder Pal Singh
  • Patent number: 8163479
    Abstract: The invention relates to substrates for O6-alkylguanine-DNA alkyltransferases (AGT) of formula R1-A-X—CH2—R3—R4-L1, wherein A is a group recognized by AGT as a substrate, X is oxygen or sulfur, R1 is a group —R2-L2 or a group R5, R2 and R4 are, independently of each other, a linker, R3 is an aromatic or a heteroaromatic group, or an optionally substituted unsaturated alkyl, cycloalkyl or heterocyclyl group with the double bond connected to CH2, R5 is arylmethyl or heteroarylmethyl or an optionally substituted cycloalkyl, cycloalkenyl or heterocyclyl group, L1 is a label, a plurality of same or different labels, a bond connecting R4 to A forming a cyclic substrate, or a further group —R3—CH2—X-A-R1, and L2 is a label or a plurality of same or different labels. The invention further relates to methods of transferring a label from these substrates to O6-alkylguanine-DNA alkyltransferases (AGT) and AGT fusion proteins.
    Type: Grant
    Filed: March 1, 2005
    Date of Patent: April 24, 2012
    Assignee: Ecole Polytechnique Federale de Lausanne
    Inventors: Hughes Jaccard, Kai Johnsson, Maik Kindermann, India Christina Sielaff
  • Patent number: 8158624
    Abstract: Purine compounds of Formula I, and including stereoisomers, geometric isomers, tautomers, solvates, metabolites and pharmaceutically acceptable salts thereof, are useful for inhibiting lipid kinases including p110 alpha and other isoforms of PI3K, and for treating disorders such as cancer mediated by lipid kinases. Methods of using compounds of Formula I for in vitro, in situ, and in vivo diagnosis, prevention or treatment of such disorders in mammalian cells, or associated pathological conditions, are disclosed.
    Type: Grant
    Filed: May 29, 2009
    Date of Patent: April 17, 2012
    Assignee: Genetech, Inc.
    Inventors: Georgette Castanedo, Irina Chuckowree, Adrian Folkes, Daniel P. Sutherlin, Nan Chi Wan
  • Patent number: 8158635
    Abstract: Solid forms comprising 4-[9-(tetrahydro-furan-3-yl)-8-(2,4,6-trifluoro-phenylamino)-9H-purin-2-ylamino]-cyclohexan-1-ol, compositions comprising the solid forms, methods of making the solid forms and methods of their use for the treatment of various diseases and/or disorders are disclosed.
    Type: Grant
    Filed: August 28, 2008
    Date of Patent: April 17, 2012
    Assignee: Signal Pharmaceuticals, LLC
    Inventors: Marie G. Beauchamps, Louise Michelle Cameron, Robert Hilgraf, Mohit Atul Kothare, Manohar T. Saindane, Jean Xu
  • Patent number: 8153628
    Abstract: The present invention provides compounds and pharmaceutical compositions that are substituted xanthines of formula I: or pharmaceutically acceptable salts thereof, wherein: Z is selected from the group consisting of oxazoyl, isoxazoyl, thiazolyl, and isothiazoyl; and Z1 is a 5-14 member substituted or unsubstituted heteroaryl ring; which are selective antagonists of A2B adenosine receptors (ARs). These compounds and compositions are useful as pharmaceutical agents.
    Type: Grant
    Filed: July 22, 2009
    Date of Patent: April 10, 2012
    Assignee: Forest Laboratories Holdings Limited
    Inventors: Guoquan Wang, Jayson M Rieger, Robert D Thompson
  • Patent number: 8148520
    Abstract: A process for preparing purified Meropenem trihydrate that involves the dissolution of Meropenem in water in presence of base, adjusting the pH to 4.0-7.0, and adding solvent to yield Meropenem trihydrate.
    Type: Grant
    Filed: September 15, 2006
    Date of Patent: April 3, 2012
    Assignee: Orchid Chemicals and Pharmaceuticals Limited
    Inventors: Senthilkumar Surulichamy, Selvakumar Sekar, Pramod Narayan Deshpande, Panchapakesan Ganpathy, Rajendra Janardan Sarangdhar, Syril Sudhan Henry, Sanjay Nivruti Karale, Arvind Atmaram Jangale, Ram Dattatray Kaldate
  • Patent number: 8148371
    Abstract: A drug for topically administration which is effective as an antiallergic agent. The drug for topically administration contains as an active ingredient an adenine compound represented by the general formula (1): [wherein ring A represents a 6 to 10 membered, mono or bicyclic, aromatic hydrocarbon or a 5 to 10 membered, mono or bicyclic, aromatic heterocycle containing one to three heteroatoms selected among 0 to 2 nitrogen atoms, 0 or 1 oxygen atom, and 0 or 1 sulfur atom; n is an integer of 0 to 2; m is an integer of 0 to 2; R represents halogeno, (un)substituted alkyl, etc.; X1 represents oxygen, sulfur, NR1 (R1 represents hydrogen or alkyl), or a single bond; Y1 represents a single bond, alkylene, etc.; Y2 represents a single bond, alkylene, etc.; Z represents alkylene; and at least one of Q1 and Q2 represents —COOR10 (wherein R10 represents (un)substituted alkyl, etc.), etc.] or a pharmaceutically acceptable salt of the compound.
    Type: Grant
    Filed: June 3, 2010
    Date of Patent: April 3, 2012
    Assignee: Dainippon Sumitomo Pharma Co., Ltd.
    Inventors: Yoshiaki Isobe, Haruo Takaku, Haruhisa Ogita, Masanori Tobe, Ayumu Kurimoto, Tetsuhiro Ogino, Hitoshi Fujita
  • Patent number: 8143249
    Abstract: Disclosed are prodrugs of A2B adenosine receptor antagonists of the formula: wherein R1 and R2 are independently lower alkyl; R4 is optionally substituted phenyl; X is hydrogen or methyl; and Y is —C(O)R, in which R is optionally substituted aryl or optionally substituted heteroaryl or a pharmaceutically acceptable salt thereof, and their use in treating mammals for various disease states.
    Type: Grant
    Filed: January 21, 2011
    Date of Patent: March 27, 2012
    Assignee: Gilead Sciences, Inc.
    Inventors: Rao Kalla, Dmitry Koltun, Jeff Zablocki, Elfatih Elzein