Patents by Inventor David Witty

David Witty 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).

  • Publication number: 20050124628
    Abstract: The present invention relates to novel quinoline compounds having pharmacological activity, to processes for their preparation, to compositions containing them and to their use in the treatment of CNS and other disorders.
    Type: Application
    Filed: March 25, 2003
    Publication date: June 9, 2005
    Inventors: Mahood Ahmend, Christopher Johnson, Martin Jones, Greor Macdonald, Stephen Moss, Mervyn Thompson, Charles Wade, David Witty
  • Publication number: 20050090485
    Abstract: The present invention relates to novel sulfonamide compounds having pharmacological activity, processes for their preparation, to compositions containing them and to their use in the treatment of CNS and other disorders.
    Type: Application
    Filed: February 13, 2003
    Publication date: April 28, 2005
    Inventors: Steven Bromidge, Christopher Johnson, Stephen Moss, Shahzad Rahman, David Witty
  • Publication number: 20050059651
    Abstract: The invention provides compounds of formula (I) a salt, or solvate thereof.
    Type: Application
    Filed: October 15, 2002
    Publication date: March 17, 2005
    Inventors: Sula Armstrong, Dieter Hamprecht, Martin Jones, David Witty, Kamal Al-Barazanji, Mohammad Tadayyon
  • Publication number: 20040063686
    Abstract: Compounds of formula (I) in which: each A is independently hydrogen, C1-6alkyl optionally substituted by hydroxyl, C1-6alkoxy, C1-6alkenyl or C1-6acyl group or a halogen atom or hydroxyl, CN or CF3 group; R3 is hydrogen, methyl or ethyl; R4 is an optionally substituted aromatic carbocyclic or heterocyclic ring; Z is an O or S atom, or an NH or CH2 group, or a single bond, at the 3 or 4 position of R4 relative to the carbonyl group; R5 is an optionally substituted aromatic carbocyclic or heterocyclic ring, or an optionally substituted, saturated or unsaturated, carbocyclic or heterocyclic ring; and Q is (a) Where X, Y, R1 and R2 are as defined in claim 1; are antagonists of a human 11CBy receptor.
    Type: Application
    Filed: September 30, 2003
    Publication date: April 1, 2004
    Inventors: Christopher Norbert Johnson, Martin Jones, Catherine Anne O'Toole, Geoffrey Stemp, Kevin Michael Thewlis, David Witty
  • Patent number: 6156774
    Abstract: Mercapto amino acid derivatives of formula (I), wherein R is hydrogen, a salt-forming cation of a in vivo hydrolysable ester-forming group; R.sub.1 is selected from (a) and (b) in which A is a monocyclic aryl or heteroaryl ring and B is a monocyclic aryl, alicyclic or heterocyclic ring, C and D are independently --Z.sub.p --(CR.sub.8 CR.sub.9).sub.q -- or --(CR.sub.8 CR.sub.9).sub.q --Z.sub.p -- where p is 0 or 1, q is 0 to 3 provided that p+q in C is not 0, R.sub.8 and R.sub.9 are independently hydrogen or (C.sub.1-6)alkyl or together represent oxo and Z is O, NR.sub.10 or S(O).sub.x where R.sub.10 is hydrogen, (C.sub.1-6)alkyl or aryl(C.sub.1-6)alkyl and x is 0-2, and wherein C and D are linked ortho to one another on each of the rings A and B in formula (b); R.sub.2 is hydrogen, (C.sub.1-6)alkyl or aryl(C.sub.1-6)alkyl; R.sub.3 is hydrogen, (C.sub.1-6)alkyl optionally substituted by up to three halogen atoms, (C.sub.3-7)cycloalkyl, fused aryl(C.sub.3-7)cycloalkyl, (C.sub.3-7)cycloalkyl(C.sub.2-6)alkyl, (C.
    Type: Grant
    Filed: April 7, 1999
    Date of Patent: December 5, 2000
    Assignee: SmithKline Beecham P.L.C.
    Inventors: John Hargreaves Bateson, Desmond John Best, Brian Peter Clarke, Martin Leonard Gilpin, David Witty