Patents Assigned to Schering Corporation
  • Patent number: 6297268
    Abstract: In one embodiment, the present invention discloses a method and pharmaceutical composition for lowering serum cholesterol in a patient. The method comprises administering to the patient a pharmaceutical composition comprising a therapeutically effective cholesterol lowering amount of an imidazole.
    Type: Grant
    Filed: November 30, 1999
    Date of Patent: October 2, 2001
    Assignee: Schering Corporation
    Inventors: Ellen W. Evans, Eileen A. Snyder, Elmer J. Mirro, Carol Merrill
  • Patent number: 6297005
    Abstract: The present invention relates to identification of a novel, de novo priming activity of hepatitis C virus replicase. This activity can be used to screen for anti-HCV replicase compounds, or to characterize the biological relevance of lead compounds that have already been identified.
    Type: Grant
    Filed: May 4, 1999
    Date of Patent: October 2, 2001
    Assignee: Schering Corporation
    Inventors: Weidong Zhong, Zhi Hong, Annette Schettino Uss, Johnson Y. N. Lau
  • Patent number: 6294554
    Abstract: Amide derivatives of 1,4 di-substituted piperidine compounds of the formula or a pharmaceutically acceptable salt, ester or solvate thereof, wherein Q and Q1 are each —CH═, or one of Q and Q1 is —CH═ and the other is —N═; X is —CH2— or Y and Z are —C(R5)═, or one of Y and Z is —C(R5)═ and the other is —N═; R1 is 1 to 3 substituents selected from H, halogen and alkoxy; R2 and R5 are 1 to 3 substituents selected from H, halogen, alkyl and alkoxy; and R3 and R4 are H or (C1-C6)alkyl are muscarinic antagonists useful for treating cognitive disorders such as Alzheimer's disease. Pharmaceutical compositions and methods of preparation are also disclosed.
    Type: Grant
    Filed: August 30, 2000
    Date of Patent: September 25, 2001
    Assignee: Schering Corporation
    Inventors: John W. Clader, Joseph A. Kozlowski, Stuart W. McCombie, Michael W. Miller, Susan F. Vice
  • Patent number: 6288068
    Abstract: Di-N-substituted piperazine or 1,4 di-substituted piperadine compounds in accordance with formula I (including all isomers, salts, esters, and solvates) wherein R, R1, R2, R3, R4, R21, R27, R28, X, Y, and Z are as defined herein are muscarinic antagonists useful for treating cognitive disorders such as Alheimer's disease. Pharmaceutical compositions and methods of preparation are also disclosed. Also disclosed are synergistic combinations of compounds of the above formula or other compounds capable of enhancing acetylcholine release with acetylcholinesterase inhibitors.
    Type: Grant
    Filed: January 12, 2000
    Date of Patent: September 11, 2001
    Assignee: Schering Corporation
    Inventors: Derek Lowe, Wei Chang, Joseph Kozlowski, Joel G. Berger, Robert McQuade, Allen Barnett, Margaret Sherlock, Wing Tom, Sundeep Dugar, Lian-Yong Chen, John W Clader, Samuel Chackalamannil, Wang Yuguang, Stuart W. McCombie, Javaram R. Tagat, Susan F. Vice, Wayne Vaccaro, Michael J. Green, Margaret E. Browne, Theodros Asberom
  • Patent number: 6288233
    Abstract: Disclosed is a process for preparing a compound of the formula: wherein X1, X2, X3, X4, and X5 are independently selected from the group consisting of H, halo, alkyl, alkoxy, aryl, and aryloxy, and R is a protecting group, in which a compound having the formula wherein X1, X2, X3, X4, and X5 are as defined above, is treated with the following, in any sequence: (a) a non-nucleophilic strong base; (b) a chiral amino alcohol; and (c) a compound having the formula wherein L is a leaving group and R is as defined above. The compounds made by this process are useful intermediates for preparing compounds that are inhibitors of farnesyl protein transferase.
    Type: Grant
    Filed: September 21, 2000
    Date of Patent: September 11, 2001
    Assignee: Schering Corporation
    Inventors: Shen-Chun Kuo, Frank Xing Chen
  • Patent number: 6281337
    Abstract: The present invention provides methods for isolating adjunct isoforms of proteins and converting them to the desired protein. In preferred embodiments, the present invention contemplates the use of acid solutions or zinc solutions to cleave a chemical group from a desired protein. In further preferred embodiments, the present invention contemplates the oxidation of reduced sulfhydryl groups with cleavage of chemical groups to form a functional desired protein.
    Type: Grant
    Filed: November 12, 1999
    Date of Patent: August 28, 2001
    Assignee: Schering Corporation
    Inventors: Susan Cannon-Carlson, Andres Frei, Seoju Lee, Roland Mengisen, Marcio Voloch, David C. Wylie
  • Patent number: 6277959
    Abstract: Nucleic acids encoding various lymphocyte cell proteins from mammalian, including primate, reagents related thereto, including specific antibodies, and purified proteins are described. Methods of using said reagents and related diagnostic kits are also provided.
    Type: Grant
    Filed: July 8, 1998
    Date of Patent: August 21, 2001
    Assignee: Schering Corporation
    Inventors: Jenny Valladeau, Odile Ravel, Elizabeth Esther Mary Bates, John Ford, Sem Saeland, Serge J. E. Lebecque
  • Patent number: 6277635
    Abstract: Interleukin-10 for producing a population of cells which are capable of inhibiting or suppressing reactions to alloantigens, for example in graft-versus-host disease or tissue rejection, is described. Interleukin-10 for reducing responses in mixed lymphocyte response (MLR) is also described. Exogenous or induced endogenous IL-10 may be used for the inhibition or suppression of the reactions to alloantigens.
    Type: Grant
    Filed: May 6, 1996
    Date of Patent: August 21, 2001
    Assignee: Schering Corporation
    Inventors: Maria-Grazia Roncarolo, Rene de Waal Malefyt, Rosa Bacchetta, Herve M. Groux, Jan E. de Vries
  • Patent number: 6277854
    Abstract: The invention relates to compounds of the formula wherein R1, R2, R3, R4, R5, R6, R7, R8, Y, A, B, X, a, b, c, d, v, and w are as described herein. The compounds of formula (1.0) are useful for inhibiting tumor growth.
    Type: Grant
    Filed: July 13, 1999
    Date of Patent: August 21, 2001
    Assignee: Schering Corporation
    Inventors: F. George Njoroge, Ronald J. Doll, Stacy W. Remiszewski
  • Patent number: 6277830
    Abstract: 5′-Amino acid esters of ribavirin represented by formula I: wherein R is CH3CH(NH2)—CO—, CH3CH2(CH3)CHCH(NH2)—CO—or H2N(CH2)4CH(NH2)—CO—; preferably R is or a pharmaceutically acceptable salt thereof, e.g., trifluoroacetate, tosylate, mesylate, and chloride, pharmaceutical compositions containing them as well as methods of treating patients having susceptible viral infections, e.g., chronic hepatitis C infections by administering a therapeutically effective amount of a ribavirin derivative, alone or in combination with a therapeutically effective amount of interferon-alpha are disclosed.
    Type: Grant
    Filed: July 7, 1999
    Date of Patent: August 21, 2001
    Assignee: Schering Corporation
    Inventors: Ashit K. Ganguly, Jinping McCormick, Raymond G. Lovey, Frank Bennett, Anil K. Saksena, Viyyoor M. Girijavallabhan
  • Patent number: 6274312
    Abstract: Purified genes encoding intracellular regulatory molecules from a human, reagents related thereto including purified proteins, specific antibodies, and nucleic acids encoding these molecules are provided. Methods of using said reagents and diagnostic kits are also provided.
    Type: Grant
    Filed: December 10, 1997
    Date of Patent: August 14, 2001
    Assignee: Schering Corporation
    Inventors: Kurt C. Gish, Wolfgang Seghezzi, Frances Shanahan, Emma M. Lees, Terrill K. McClanahan
  • Patent number: 6274711
    Abstract: CTLA-8 antigen from a mammal, reagents related thereto including purified proteins, specific antibodies, and nucleic acids encoding said antigen. Methods of using said reagents and diagnostic kits are also provided.
    Type: Grant
    Filed: May 2, 1995
    Date of Patent: August 14, 2001
    Assignees: INSERM, Institut National de la Sante et de la Recherche Medicale, Schering Corporation
    Inventors: Pierre Golstein, Eric Rouvier, Francois Fossiez, Serge J. E. Lebecque, Odile Djossou, Jacques Banchereau
  • Patent number: 6271378
    Abstract: Disclosed is a process for preparing a compound having the formula: wherein R1 is selected from the group consisting of: alkyl, alkenyl, alkynyl, aryl, aralkyl, cycloalkyl, and cycloalkylalkyl, R1 being optionally substituted by substituents selected from halo, —OH, alkyl, alkoxy, or —CF3, said process comprising the following steps: (a) reacting a ketone having the formula with a carbanion having the formula wherein R1 is as defined above, and R2 and R3 are independently selected from the group consisting of —ORA and —RA, wherein RA is alkyl, phenyl, substituted phenyl, cycloalkyl, substituted cycloalkyl, cycloalkylalkyl, or substituted cycloalkylalkyl; (b) treating the reaction mixture from step (a) with a protonating agent; and (c) thermally decomposing the product of 16, to form the compound of formula (I). The compounds made by this process have antihistaminic activity, e.g., loratadine.
    Type: Grant
    Filed: December 16, 1999
    Date of Patent: August 7, 2001
    Assignee: Schering Corporation
    Inventors: Henry J. Doran, Pat M. O'Neill
  • Patent number: 6265414
    Abstract: Methods of treating and/or preventing sleep disorders in a human afflicted with upper airway passage allergic inflammation and/or congestion associated with allergic rhinitis, including seasonal allergic rhinitis or perennial allergic rhinitis, by administering a therapeutically effective amount of desloratadine, alone or in combination with other active such as a decongestant, e.g., pseudoephedrine are disclosed.
    Type: Grant
    Filed: May 3, 2000
    Date of Patent: July 24, 2001
    Assignee: Schering Corporation
    Inventors: Alan G. Harris, Domenic G. Iezzoni
  • Patent number: 6265614
    Abstract: Intermediates having the formula wherein BI is —CH2OH or —CH2ORP, and RP is an alcohol protecting group; a is 1, 2, or 3; TI is —OH or QI is phenyl, naphthyl ohr heteroaryl having 1-3 substituents; Ra and Rc are the same, and are H, or are selected from alkyl, cycloalkyl and aryl groups, the groups being optionally substituted with one or more substituents selected from alkyl cycloalkyl, aryl, or —OH; or Ra and Rc together with the C—N—C chain to which they are bound, form a 5-7 membered ring; Rb and Rd are the same, and are H, or are selected from alkyl, cycloalkyl and aryl groups, the groups being optionally substituted with one or more substituents selected from alkyl, cycloalkyl, aryl, or —OH; and D is a directing group capable of directing lithiation alpha to a nitrogen atom of a nitrogen compound having D as a substituent bound to the nitrogen atom when the nitrogen compound is reacted with s-butyl lithium, are disclosed
    Type: Grant
    Filed: October 13, 2000
    Date of Patent: July 24, 2001
    Assignee: Schering Corporation
    Inventors: Anantha R. Sudhakar, Suhan Tang
  • Patent number: 6261793
    Abstract: The present invention provides human ras converting endoprotease (RCE), the encoding nucleic acids, recombinant vectors, transformed host cells and methods of making human RCE. More particularly, the invention provides methods of using human RCE in screening systems to identify inhibitors of human RCE useful for the treatment of various medical conditions. This invention further relates to inhibitors of human RCE.
    Type: Grant
    Filed: March 4, 1999
    Date of Patent: July 17, 2001
    Assignee: Schering Corporation
    Inventors: David Whyte, Marnie McGuirk, Irma Nuñez-Oliva, Tish Hockenberry, James Pai
  • Patent number: 6262077
    Abstract: The present invention is directed towards a pharmaceutical composition useful for the treatment of allergic rhinitis, asthma and related disorders. In one embodiment, the composition comprises, in combination, a therapeutically effective amount of at least one neurokinin antagonist, and a therapeutically effective amount of at least one 5-lipoxygenase inhibitor.
    Type: Grant
    Filed: January 12, 2001
    Date of Patent: July 17, 2001
    Assignee: Schering Corporation
    Inventor: Neng-Yang Shih
  • Patent number: 6262270
    Abstract: A short practical commercial process for the efficient enantioselective synthesis of the non-steroidal antiestrogen of formula I or XIV or a pharmaceutically acceptable salt thereof.
    Type: Grant
    Filed: August 11, 1999
    Date of Patent: July 17, 2001
    Assignee: Schering Corporation
    Inventors: Richard W. Draper, Radha V. Iyer, Yuelie Lu, Eugene J. Vater
  • Patent number: 6262066
    Abstract: Novel compounds of the formula or a pharmaceutically acceptable salt or solvate thereof, wherein: the dotted line represents an optional double bond; X1 is optionally substituted alkyl, cycloalkyl, aryl, heteroaryl or heterocycloalkyl; X2 is —CHO, —CN, optionally substituted amino, alkyl, or aryl; or X1 is optionally substituted benzofused heterocyclyl and X2 is hydrogen; or X1 and X2 together form an optionally benzofused Spiro heterocyclyl group R1, R2, R3 and R4 are independently H and alkyl, or (R1 and R4) or (R2 and R3) or (R1 and R3) or (R2 and R4) together can form an alkylene bridge of 1 to 3 carbon atoms; Z1 is optionally substituted alkyl, aryl, heteroaryl, cycloalkyl or heterocycloalkyl, or —CO2(alkyl or substituted amino) or CN; Z2 is H or Z1; Z3 is H oralkyl; or Z1, Z2 and Z3, together with the carbon to which they are attached, form bicyclic saturated or unsaturated rings; pharmaceutical compositions therefore, and the use of said compounds as nocicepti
    Type: Grant
    Filed: July 26, 1999
    Date of Patent: July 17, 2001
    Assignee: Schering Corporation
    Inventors: Deen Tulshian, Ginny D. Ho, Lisa S. Silverman, Julius J. Matasi, Robbie L. McLeod, John A. Hey, Richard W. Chapman, Ana Bercovici, Francis M. Cuss
  • Patent number: 6261823
    Abstract: The invention provides methods for purifying a virus from impurities in an aqueous medium.
    Type: Grant
    Filed: December 11, 1997
    Date of Patent: July 17, 2001
    Assignee: Schering Corporation
    Inventors: John Chu-Tay Tang, Gary Vellekamp, Laureano L. Bondoc, Jr.