Patents by Inventor Xiao Qing Lewell

Xiao Qing Lewell has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 7232821
    Abstract: Compounds of formula (I) or a pharmaceutically acceptable derivative thereof: wherein A, R1, R2, Rx, R8, R9 and n are as defined in the specification, a process for the preparation of such compounds, pharmaceutical compositions comprising such compounds and the use of such compounds in medicine.
    Type: Grant
    Filed: April 7, 2003
    Date of Patent: June 19, 2007
    Assignee: Glaxo Group Limited
    Inventors: Gerard Martin Paul Giblin, Adrian Hall, David Nigel Hurst, Ian Reginald Kilford, Xiao Qing Lewell, Alan Naylor, Riccardo Novelli
  • Patent number: 7157457
    Abstract: There are provided according to the invention, novel compounds of formula (I) wherein R1, R2, R3, R4, R5, R6, X, a, b and Z are as defined in the specification, processes for preparing them, formulations containing them and their use in therapy for the treatment of inflammatory diseases.
    Type: Grant
    Filed: September 28, 2001
    Date of Patent: January 2, 2007
    Assignee: Glaxo Group Limited
    Inventors: Rachael Anne Ancliff, Caroline Mary Cook, Colin David Eldred, Paul Martin Gore, Lee Andrew Harrison, Simon Teanby Hodgson, Duncan Bruce Judd, Suzanne Elaine Keeling, Xiao Qing Lewell, Graeme Michael Robertson, Stephen Swanson
  • Patent number: 7101882
    Abstract: The present invention relates to novel morpholin-acetamide compounds of formula (I) useful for the treatment of inflammatory diseases. Compounds of formula (I) wherein R1, R2, R3, R4, R5, X, a, b and Z are as defined in the specification, processes for preparing them, formulations containing them and their use in therapy for the treatment of inflammatory diseases.
    Type: Grant
    Filed: September 28, 2001
    Date of Patent: September 5, 2006
    Assignee: Glaxo Group Limited
    Inventors: Rachael Anne Ancliff, Caroline Mary Cook, Colin David Eldred, Paul Martin Gore, Lee Andrew Harrison, Simon Teanby Hodgson, Duncan Bruce Judd, Suzanne Elaine Keeling, Xiao Qing Lewell, Graeme Michael Robertson, Stephen Swanson
  • Publication number: 20040092569
    Abstract: Compounds of formula (I) 1
    Type: Application
    Filed: December 10, 2003
    Publication date: May 13, 2004
    Inventors: Derek Anthony Demaine, Gerard Martin Paul Giblin, Rachel Elizabeth Hosking, Graham George Adam Inglis, Xiao Qing Lewell, Simon John Fawcett MacDonald, Andrew McMurtrie Mason, Martin Edward Swarbrick
  • Publication number: 20040058907
    Abstract: There are provided according to the invention, novel compounds of formula (I) wherein R1, R2, R3, R4, R5, R6, X a, b, and Z are as defined in the specification, processes for preparing them, formulations containing them and their use in therapy for the treatment of inflammatory diseases.
    Type: Application
    Filed: July 21, 2003
    Publication date: March 25, 2004
    Inventors: Rachael Anne Ancliff, Caroline Mary Cook, Colin David Eldred, Paul Martin Gore, Lee Andrew Harrison, Simon Teanby Hodgson, Duncan Bruce Judd, Suzanne Elaine Keeling, Xiao Qing Lewell, Graeme Michael Robertson, Stephen Swanson
  • Publication number: 20040058923
    Abstract: Compounds of formula (I) wherein: R1 represents C1-16 alkyl, C2-6alkenyl, C2-6alkynyl, C2-6alkynyl-Y1—, aryl-Y1—, heteroaryl-Y1—, aryl-(O)t-aryl-Y1—, aryl-(O)t-heteroaryl-Y1—, heteroaryl-(O)t-aryl-Y1—, heteroaryl-(O)t-heteroaryl-Y1—, C2-6 alkenyl-Y1—, aryl-O—Y1—, heteroaryl-O—Y1—, C1-16 alkyl-SO2—Y1—,M—Y1—,J2-Y1—, —CN or C3-8 cycloalkyl-Y1— or C3-8 cycloalkenyl-Y1—, which cycloalkyl or cycloalkenyl may be optionally substituted by one or more hydroxyl or C1-16 Alkyl groups; R2 represents hydrogen or C1-16 alkyl; X represents ethylene or a group of formula CReRf wherein Re and Rf independently represent hydrogen or C1-14 alkyl or Re and Rf may together with the carbon atom to which they are attached form a C3-8 cycloalkyl group; R3 and R4 independently represent hydrogen or C1-14 alkyl; Z represents a bond, CO, SO2, CR9R6(CH2)n, (CH2)nCR9R6, CHR6(CH2)nO, CHR6(CH2)nS, CHR6(CH2)nOCO, CHR6(CH2)n
    Type: Application
    Filed: August 15, 2003
    Publication date: March 25, 2004
    Inventors: Rachael Anne Ancliff, Caroline Mary Cook, Colin David Eldred, Paul Martin Gore, Lee Andrew Harrison, Simon Teanby Hodgson, Duncan Bruce Judd, Suzanne Elaine Keeling, Xiao Qing Lewell, Graeme Michael Robertson, Stephen Swanson
  • Patent number: 5843966
    Abstract: The present invention relates to piperidine derivatives of formula (I) ##STR1## wherein R.sup.1 is a C.sub.1-4 alkoxy group; R.sup.2 is ##STR2## R.sup.3 is a hydrogen or halogen atom; R.sup.4 and R.sup.5 may each independently represent a hydrogen or halogen atom, or a C.sub.1-4 alkyl, C.sub.1-4 alkoxy or trifluoromethyl group;R.sup.6 is a hydrogen atom, a C.sub.1-4 alkyl, (CH.sub.2).sub.m cyclopropyl, --S(O).sub.n C.sub.1-4 alkyl, phenyl, NR.sup.7 R.sub.8, CH.sub.2 C(O)CF.sub.3 or trifluoromethyl group;R.sup.7 and R.sup.8 may each independently represent a hydrogen atom, or a C.sub.1-4 alkyl or acyl group;x represents zero or 1;n represents zero, 1 or 2;m represents zero or 1;and pharmaceutically acceptable salts and solvates thereof; to processes for their preparation; and their use in the treatment of conditions mediated by tachykinins.
    Type: Grant
    Filed: July 23, 1997
    Date of Patent: December 1, 1998
    Assignee: Glaxo Group Limited
    Inventors: Duncan Robert Armour, Brian Evans, David Middlemiss, Tania Hubbard, Michael Menteith Hann, Xiao-Qing Lewell, Stephen Paul Watson, Alan Naylor, Neil Anthony Pegg, Maria Victoria Vinader, Gerard Martin Paul Giblin
  • Patent number: 5703240
    Abstract: The present invention relates to piperidine derivatives of formula (I) ##STR1## wherein R.sup.1 is a C.sub.1-4 alkoxy group; R.sup.2 is ##STR2## R.sup.3 is a hydrogen or halogen atom; R.sup.4 and R.sup.5 may each independently represent a hydrogen or halogen atom, or aC.sub.1-4 alkyl, C.sub.1-4 alkoxy or trifluoromethyl group;R.sup.6 is a hydrogen atom, a C.sub.1-4 alkyl, (CH.sub.2).sub.m cyclopropyl, --S(O).sub.n C.sub.1-4 alkyl, phenyl,NR.sup.7 R.sup.8, CH.sub.2 C(O)CF.sub.3 or trifluoromethyl group;R.sup.7 and R.sup.8 may each independently represent a hydrogen atom, or a C.sub.1-4 alkyl or acyl group;x represents zero or 1;n represents zero, 1 or 2;m represents zero or 1;and pharmaceutically acceptable salts and solvates thereof; to processes for their preparation; and their use in the treatment of conditions mediated by tachykinins.
    Type: Grant
    Filed: March 21, 1996
    Date of Patent: December 30, 1997
    Assignee: Glaxo Group Limited
    Inventors: Duncan Robert Armour, Brian Evans, David Middlemiss, Alan Naylor, Neil Anthony Pegg, Maria Victoria Vinader, Gerard Martin Paul Giblin, Tania Hubbard, Michael Menteith Hann, Xiao-Qing Lewell, Stephen Paul Watson