Patents Examined by Evelyn Mei Huang
  • Patent number: 6982333
    Abstract: The present invention provides a short, convergent total synthesis of camptothecin and related compounds which consists of a novel 4+1 radical annulation. The present invention also provides novel chemical intermediates for such 4+1 radical annulations.
    Type: Grant
    Filed: September 16, 2003
    Date of Patent: January 3, 2006
    Assignee: University of Pittsburgh
    Inventors: Dennis P. Curran, Hubert Josien, Sung Bo Ko
  • Patent number: 6977261
    Abstract: This invention provides compounds defined by Formula I or a pharmaceutically acceptable salt thereof, wherein R1, Q, Y, R2, R3, R4, R5, and n are as defined in the specification. The invention also provides pharmaceutical compositions comprising a compound of Formula I, or a pharmaceutically acceptable salt thereof, as defined in the specification, together with a pharmaceutically acceptable carrier, diluent, or excipient. The invention also provides methods of inhibiting an MMP-13 enzyme in an animal, comprising administering to the animal a compound of Formula I, or a pharmaceutically acceptable salt thereof. The invention also provides methods of treating a disease mediated by an MMP-13 enzyme in a patient, comprising administering to the patient a compound of Formula I, or a pharmaceutically acceptable salt thereof, either alone or in a pharmaceutical composition.
    Type: Grant
    Filed: August 5, 2003
    Date of Patent: December 20, 2005
    Assignee: Warner-Lambert Company LLC
    Inventors: Amy Mae Bunker, Joseph Armand Picard
  • Patent number: 6974870
    Abstract: Disclosed are compounds of formula (I): wherein R1 and R2 are defined herein, which are useful as inhibitors of the kinase activity of the I?B kinase (IKK) complex. The compounds are therefore useful in the treatment of IKK mediated diseases including autoimmune diseases inflammatory diseases and cancer. Also disclosed are pharmaceutical compositions comprising these compounds and processes for preparing these compounds.
    Type: Grant
    Filed: December 6, 2003
    Date of Patent: December 13, 2005
    Assignee: Boehringer Ingelheim Phamaceuticals, Inc.
    Inventors: Charles L. Cywin, Can Mao, Jonathan Emeigh, Roman Wolfgang Fleck, Ming-Hong Hao, Eugene Hickey, Weimin Liu, Daniel Richard Marshall, Tina Morwick, Peter Nemoto, Ronald John Sorcek, Sanxing Sun, Jiang-Ping Wu, Erick Young, Darren DiSalvo, John Ginn, Pier Cirillo
  • Patent number: 6974825
    Abstract: Compounds of general formula (I) wherein m is 0 or 1, and n is 1 or 2; are disclosed and claimed in the present application, as well as their pharmaceutically acceptable salts, pharmaceutical compositions comprising the novel compounds and their use in therapy, in particular in the management of pain.
    Type: Grant
    Filed: July 29, 2003
    Date of Patent: December 13, 2005
    Assignee: AstraZeneca Canada Inc.
    Inventors: Benjamin Pelcman, Edward Roberts
  • Patent number: 6972334
    Abstract: A novel bathophenanthroline compound of the general formula [I] or [II] is provided wherein R1 and R2 may be the same or different and independently represent a linear, branched or cyclic, saturated or unsaturated hydrocarbon group, or a substituted or unsubstituted, saturated or unsaturated hydrocarbon group provided that at least one of R1 and R2 has at least two carbon atoms, and wherein Ar1 and Ar2 may be the same or different and independently represent a substituted or unsubstituted aryl group. A process for preparing the compound is also provided wherein bathophenanthroline and an organolithium compound are subjected to nucleophilic substitution reaction to obtain the compound of the above formula [I] or [II].
    Type: Grant
    Filed: November 2, 2000
    Date of Patent: December 6, 2005
    Assignee: Sony Corporation
    Inventors: Tetsuo Shibanuma, Yasunori Kijima, Nobutoshi Asai, Shinichiro Tamura
  • Patent number: 6964972
    Abstract: The invention disclosed herein relates to novel a 8-azabicyclo[3.2.1]oct-2-ene compound of Formula II, wherein R is hydrogen, methyl, ethyl or benzyl; and R1 is 3-thienyl, 2-thienyl, 2-(3-methoxymethyl), 3-quinolinyl, 3-benzofuryl, 2-benzofuryl, 3-benzothienyl, 2-benzothienyl, 2-benzothiazolyl, 2-thieno[3.2-b]thienyl, thieno[2.3-b]thienyl, 2-(3-bromo)benzofuryl or 2-(3-bromo)benzothienyl. These compounds are useful for the treatment of conditions or disorders involving the cholinergic system of the central nervous system, pain, inflammatory diseases, diseases caused by smooth muscle contractions and in the cessation of chemical substance abuse.
    Type: Grant
    Filed: July 17, 2003
    Date of Patent: November 15, 2005
    Assignee: Neurosearch A/S
    Inventors: Dan Peters, Gunnar M. Olsen, Simon Feldbaek Nielsen, Elsebet Ostergaard Nielsen
  • Patent number: 6964970
    Abstract: Compounds of the formula (I) are disclosed which are Fab I inhibitors and are useful in the treatment bacterial infections: wherein: R1 is Ar or Het; R2 is H, C1-6alkyl or Ar-C0-6alkyl; X is H, C1-4alkyl, OR?, SR?, C1-4alkylsulfonyl, C1-4alkylsulfoxyl, CN, N(R?)2, CH2N(R?) 2, NO2, CF3, CO2R?, CON(R?)2, COR?, NR?C(O)R?, F, Cl, Br, I, or CF3S(O)r—; R? is H, C1-6alkyl or Ar-C0-6alkyl; and r is 0, 1 or 2; or a pharmaceutically acceptable salt thereof.
    Type: Grant
    Filed: May 5, 2003
    Date of Patent: November 15, 2005
    Assignee: Affinium Pharmaceuticals, Inc.
    Inventors: William H. Miller, Kenneth A. Newlander, Mark Seefeld
  • Patent number: 6964956
    Abstract: Disclosed are compounds of formula (I): wherein R1 and R2 are defined herein, which are useful as inhibitors of the kinase activity of the I?B kinase (IKK) complex. The compounds are therefore useful in the treatment of IKK mediated diseases including autoimmune diseases inflammatory diseases and cancer. Also disclosed are pharmaceutical compositions comprising these compounds and processes for preparing these compounds.
    Type: Grant
    Filed: June 3, 2003
    Date of Patent: November 15, 2005
    Assignee: Boehringer Ingelheim Pharmaceuticals, Inc.
    Inventors: Charles L. Cywin, Zhidong Chen, Roman Wolfgang Fleck, Ming-Hong Hao, Eugene Hickey, Weimin Liu, Daniel Richard Marshall, Peter Nemoto, Ronald John Sorcek, Sanxing Sun, Jiang-Ping Wu, Tina Morwick, Jonathan Emeigh
  • Patent number: 6962926
    Abstract: Compounds of formula A and formula B: and their pharmaceutically acceptable salts, compositions comprising them, methods for their use, and their use in the preparation of medicaments. The compounds are antagonists of MCP-1 function, and are useful in the prevention and treatment of chronic or acute inflammatory or autoimmune diseases, such as multiple sclerosis, and in the prevention and treatment of allergic hypersensitivity disorders.
    Type: Grant
    Filed: August 8, 2003
    Date of Patent: November 8, 2005
    Assignees: Telik, Inc., Sanwa Kagaku Kenkyusho Co., Ltd.
    Inventors: Edgardo Laborde, Louise Robinson, Fanying Meng, Brian T. Peterson, Hugo O. Villar, Steven E. Anuskiewicz, Wenli Ma, Yukiharu Matsumoto, Kunihisa Baba, Hideaki Inagaki, Katsumasa Tanaka, Yoshiro Ishiwata, Shoji Yokochi, Masayuki Okamoto, Takashi Nakamura, Atsushi Miyachi, Mitsuaki Takeuchi, Kouji Matsushima
  • Patent number: 6962924
    Abstract: This invention provides a process of preparation of novel polymorphic hemifumarate salts of 8-chloro-6,11-dihyfro-11-(4-piperidylidene)-5H-benzo[5,6]-cyclohepta[1,2-b]pyridine, hereinafter called “desloratadine”. These polymorphic salt forms show much higher solubility in water and also in protic organic solvents compare to the parent desloratadine. The process of preparing the polymorphic forms comprising: a) mixing the ethanolic solution of desloratadine and fumaric acid at a temperature of from about 55° C. to 70° C., and stirring for 30 to 45 minutes after mixing, and thereafter filtering the solid thereby prepared in hot condition; to yield the polymorphic form 2 having a DSC of 232° C.±2° C.; or b) mixing the ethanolic solution of desloratadine and fumaric acid at a temperature of form about 15° C. room temperature (25° C.) and stirring at this temperature for 30 to 45 minutes, then filtering at room temperature; to yield the polymorphic form 1 having a DSC of 224° C.±2° C.
    Type: Grant
    Filed: July 17, 2003
    Date of Patent: November 8, 2005
    Assignee: Sandoz AG
    Inventors: Anup Kumar Ray, Hiren Patel, Mahendra R Patel
  • Patent number: 6962930
    Abstract: Compounds, composition and method for ameliorating alcohol or drug dependency withdrawal syndromes and withdrawal-induced brain damage are disclosed. In particular, a series of N-substituted-4-uredo-5,7-dihalo-2-carboxy quinoline compounds are disclosed having combined properties as antagonists of voltage-sensitive sodium channels (VSNaC) and as selective competitive antagonists at the strychnine-intensive glycine site of N-methyl-D-aspartate (NMDA) receptors. The disclosed compounds prevent or reduce the signs and symptoms of neurohyperexcitability and particularly the neurohyperexcitability associated with withdrawal syndrome manifested by patients upon withdrawal from chronic use of dependence inducing agents (e.g. ethanol, barbiturates, opiates etc.).
    Type: Grant
    Filed: June 5, 1998
    Date of Patent: November 8, 2005
    Assignee: Lohocla Research Corporation
    Inventors: Boris Tabakoff, Lawrence Snell, Paula L. Hoffman
  • Patent number: 6962925
    Abstract: A fully and partially reduced benzo(c)quinolizine compound of formula (1):
    Type: Grant
    Filed: June 12, 2000
    Date of Patent: November 8, 2005
    Assignee: Applied Research Systems ARS Holding N.V.
    Inventors: Antonio Guarna, Mario Serio
  • Patent number: 6958350
    Abstract: The invention provides a compound of formula (I): wherein R1, R2, R3, R4, R5, N, X and Y are as defined in the specification, processes, for their preparation, pharmaceutical compositions containing them, and their use in therapy, especially for the treatment of chemokine receptor related diseases and conditions.
    Type: Grant
    Filed: February 18, 2002
    Date of Patent: October 25, 2005
    Assignee: AstraZeneca AB
    Inventors: Stephen Brough, Thomas McInally, Matthew Perry, Brian Springthorpe
  • Patent number: 6953804
    Abstract: Imidazoquinoline and tetrahydroimidazoquinoline compounds that contain ether and aryl or alkenyl functionality at the 1-position are useful as immune response modifiers. The compounds and compositions of the invention can induce the biosynthesis of various cytokines and are useful in the treatment of a variety of conditions including viral diseases and neoplastic diseases.
    Type: Grant
    Filed: October 29, 2003
    Date of Patent: October 11, 2005
    Assignee: 3M Innovative Properties Co.
    Inventors: Joseph F. Dellaria, John W. Mickelson
  • Patent number: 6951867
    Abstract: This invention provides a compound of the formula (I): or a pharmaceutically acceptable salt, amide or ester thereof, wherein R1 represents a hydrogen atom or a halogen atom; R2 represents a hydrogen atom, etc.; R3 represents an alkyl group having from 1 to 10 carbon atoms; said alkyl group of R3 is substituted by at least one substituent selected from the group consisting of substituents ?; said substituents ? is aryl, hydroxy, oxo, etc.
    Type: Grant
    Filed: September 17, 2003
    Date of Patent: October 4, 2005
    Assignee: Pfizer Inc.
    Inventors: Yasuhiro Katsu, Kana Kon-I, Mikio Morita, Hirohide Noguchi, Chikara Uchida
  • Patent number: 6949649
    Abstract: Imidazoquinoline and tetrahydroimidazoquinoline compounds that contain thioether functionality at the 1-position are useful as immune response modifiers. The compounds and compositions of the invention can induce the biosynthesis of various cytokines and are useful in the treatment of a variety of conditions including viral diseases and neoplastic diseases.
    Type: Grant
    Filed: October 29, 2003
    Date of Patent: September 27, 2005
    Assignee: 3M Innovative Properties Co.
    Inventors: Jason D. Bonk, Joseph F. Dellaria, Bryon A. Merrill, Matthew R. Radmer
  • Patent number: 6949652
    Abstract: The present invention relates to novel crystalline forms of 3-isopropyl-6-[4-(2,5-difluoro-phenyl)-oxazol-5-yl]-[1,2,4]triazolo-[4,3-a]pyridine to pharmaceutical compositions containing such crystal forms and to methods of treatment. 3-Isopropyl-6-[4-(2,5-difluoro-phenyl)-oxazol-5-yl]-[1,2,4]triazolo-[4,3-a]pyridine is a potent inhibitor of MAP kinases, preferably p38 kinase (MAPK14/CSBP/RK kinase). 3-Isopropyl-6-[4-(2,5-difluoro-phenyl)-oxazol-5-yl]-[1,2,4]triazolo-[4,3-a]pyridine is useful in the treatment of inflammation, osteoarthritis, rheumatoid arthritis, cancer, reperfusion or ischemia in stroke or heart attack, autoimmune diseases and other disorders.
    Type: Grant
    Filed: August 27, 2003
    Date of Patent: September 27, 2005
    Assignee: Pfizer, Inc.
    Inventors: Ming Kang, Zheng Jane Li, Zhengong Bryan Li, Yong Tao
  • Patent number: 6949651
    Abstract: The present invention relates to fused bicyclic metalloproteinase inhibitors of the formula wherein A, B, X, Y, and R1 are as defined in the specification, and to pharmaceutical compositions and methods of treating arthritis, inflammation, cancer and other disorders.
    Type: Grant
    Filed: August 5, 2003
    Date of Patent: September 27, 2005
    Assignee: Warner-Lambert Company
    Inventor: Michael William Wilson
  • Patent number: 6943174
    Abstract: The present invention provides compounds of Formula (I) wherein Q1, Q2, Q3, Q4, Y1, Y2, and Z are as defined in the description, and pharmaceutically acceptable salts thereof, and C1-C8 alkyl esters thereof, which are useful for the treatment of diseases responsive to the inhibition of the enzyme 15-lipoxygenase. Thus, the compounds of Formula (I) and their pharmaceuticalyl acceptable salts are useful for treating diseases with an inflammatory component, including atherosclerosis, diseases involving chemotaxis of monocytes, inflammation, stroke, coronary artery disease, asthma, arthritis, colorectal cancer, and psoriasis.
    Type: Grant
    Filed: May 9, 2001
    Date of Patent: September 13, 2005
    Assignee: Warner-Lambert Company
    Inventors: Joseph Armand Picard, William Howard Roark, Drago Robert Sliskovic
  • Patent number: 6943182
    Abstract: The invention relates to cyclopentabenzofuran derivatives, process for their preparation, the use of cyclopentabenzofuran derivatives for the production of a medicament for the therapy of NF-?B-dependent diseases and medicaments which contain the cyclopentabenzofuran derivatives.
    Type: Grant
    Filed: May 30, 2002
    Date of Patent: September 13, 2005
    Assignee: Bayer Aktiengesellschaft
    Inventors: Walter Guarnieri, Thomas Jaetsch, Andreas Schoop, Jörg Baumgarten, Axel Kretschmer, Horst-Peter Antonicek