Patents by Inventor Neil Roy Curtis

Neil Roy Curtis 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: 7592456
    Abstract: Compounds of formula (I) are potent and selective 5-HT2A antagonists, useful in treatment of a variety of adverse conditions of the CNS.
    Type: Grant
    Filed: November 28, 2005
    Date of Patent: September 22, 2009
    Assignee: Merck Sharp & Dohme Limited
    Inventors: Mark Stuart Chambers, Neil Roy Curtis, Emanuela Gancia, Myra Gilligan, Alexander Charles Humphries, Tamara Ladduwahetty, Robert James Maxey, Kevin John Merchant
  • Publication number: 20090012134
    Abstract: Compounds of formula (I): are potent and selective antagonists of the 5-HT2A receptor, and hence are useful in treatment of various CNS disorders.
    Type: Application
    Filed: March 10, 2006
    Publication date: January 8, 2009
    Inventors: Neil Roy Curtis, Emanuela Garcia, Tamara Ladduwahetty, Robert Maxey, Kevin Merchant, Andrew Mitchinson
  • Patent number: 7276607
    Abstract: Substituted carbocyclic sulphonamide derivatives of formula (I), in which n is 0 or 1 and the other variables are as defined in the claims, are selective 5-HT7 receptor antagonists and are thereby effective in the treatment of a variety of neurological conditions, including depression and sleep disorders.
    Type: Grant
    Filed: November 29, 2002
    Date of Patent: October 2, 2007
    Assignee: Merck Sharp & Dohme Limited
    Inventors: Neil Roy Curtis, Peter Alan Hunt, Janusz Jozef Kulagowski
  • Patent number: 7094777
    Abstract: Compounds of formula I: are antagonists of the human 5-HT2A receptor, and hence useful in treatment or prevention of a variety of neurological conditions.
    Type: Grant
    Filed: November 9, 2004
    Date of Patent: August 22, 2006
    Assignee: Merk Sharp & Dohme Ltd.
    Inventors: Mark Stuart Chambers, Neil Roy Curtis, Angus Murray MacLeod, Robert James Maxey, Helen Jane Szekeres
  • Patent number: 6727249
    Abstract: The present invention relates compounds of the formula (I): wherein X represents hydrogen, C1-4alkyl optionally substituted by a hydroxy, methoxy or benzyloxy group, or CO2(C1-2alkyl); Z is —CR9R10CH2— or —CH2CR9R10—; and R1, R2, R3, R4, R5 and R6 are as defined herein. The compounds are of particular use in the treatment or prevention of depression, anxiety, pain, inflammation, migaine, emesis or postherpetic neuralgia.
    Type: Grant
    Filed: April 1, 2002
    Date of Patent: April 27, 2004
    Assignee: Merck Sharp & Dohme Ltd.
    Inventors: Neil Roy Curtis, Ian Thomas Huscroft, Janusz Jozef Kulagowski, Piotr Antoni Raubo
  • Patent number: 6613765
    Abstract: The present invention provides methods for the treatment of major depressive disorders comprising oral administration of an orally active, long acting, CNS-penetrant NK-1 receptor antagonist and pharmaceutical compositions comprising such a NK-1 receptor antagonist.
    Type: Grant
    Filed: June 11, 1998
    Date of Patent: September 2, 2003
    Assignee: Merck Sharp & Dohme Limited
    Inventors: Raymond Baker, Neil Roy Curtis, Jason Matthew Elliott, Timothy Harrison, Gregory John Hollingworth, Philip Stephen Jackson, Janusz Jozef Kulagowski, Nadia Melanie Rupniak, Eileen May Seward, Christopher John Swain, Brian John Williams
  • Patent number: 6613766
    Abstract: A class of 1,2,3a,4,x-pentaaza-cyclopenta[a]naphthalene compounds (x=6, 7, 8 or 9) is described. The compounds have a high affinity for the GABAA &agr;5 receptors and show inverse agonist activity thereat. The compounds are useful in therapy where cognition enhancement is required.
    Type: Grant
    Filed: May 10, 2001
    Date of Patent: September 2, 2003
    Assignee: Merck Sharp & Dohme Ltd.
    Inventors: Neil Roy Curtis, Janusz Jozef Kulagowski, Francine Sternfeld
  • Publication number: 20030119871
    Abstract: A class of styryl amidine derivatives which are antagonists of the hum NMDA receptor, being selective for those containing the NR2B subunit, are active in the treatment and/or prevention of neurological and neurodegenerative disorders, in particular neuropathic pain and headache, specifically migraine, whils displaying fewer ataxic and related side-effects associated with other classes of NMDA receptor antagonists.
    Type: Application
    Filed: December 16, 2002
    Publication date: June 26, 2003
    Inventors: Neil Roy Curtis, Janusz Jozef Kulagowski, Steve Thomas, Alan Paul Watt
  • Publication number: 20020193402
    Abstract: The present invention relates compounds of the formula (I): 1
    Type: Application
    Filed: April 1, 2002
    Publication date: December 19, 2002
    Inventors: Neil Roy Curtis, Janusz Jozef Kulagowski, Ian Thomas Huscroft, Piotr Antoni Raubo
  • Patent number: 6395766
    Abstract: Compounds according to Formula (I) or a pharmaceutically acceptable salt thereof are GABA-A Alpha 5 ligands useful for enhancing cognition: where A is C1-6alkyl, C2-6alkenyl, C2-6alkynyl, C3-6cycloalkyl, arylC1-6alkyl, or aryl wherein the aryl group is optionally substituted by halogen, C1-6alkyl, CF3, CN, NO2 or NH2, NR1R10, S(O)pR1, heteroarylC1-6alkyl or heteroaryl where heteroaryl is a 5- or 6-membered heteroaromatic ring as defined for B; and B is phenyl or a 5-membered ring having one or two unsaturations containing 1, 2, 3, or 4 heteroatoms chosen from O, N and S provided that not more than one heteroatom is other than N, a 6-membered heteroaromatic ring containing 1, 2, 3 or 4 nitrogen atoms, each of which rings is optionally substituted by one or more substituents.
    Type: Grant
    Filed: November 6, 2000
    Date of Patent: May 28, 2002
    Assignee: Merck Sharp & Dohme Limited
    Inventors: Howard Barff Broughton, Helen Jane Bryant, Mark Stuart Chambers, Neil Roy Curtis
  • Patent number: 6271230
    Abstract: The present invention provides methods for the treatment or prevention of cognitive disorders which comprises oral administration of an orally active, long acting, CNS-penetrant NK-1 receptor antagonist and pharmaceutical compositions comprising such a NK-1 receptor antagonist.
    Type: Grant
    Filed: May 24, 1999
    Date of Patent: August 7, 2001
    Assignee: Merck Sharp & Dohme Limited
    Inventors: Raymond Baker, Jason Matthew Elliott, Neil Roy Curtis, Timothy Harrison, Gregory John Hollingworth, Janusz Jozef Kulagowski, Philip Stephen Jackson, Nadia Melanie Rupniak, Eileen Mary Seward, Brian John Williams, Christopher John Swain
  • Patent number: 6172077
    Abstract: The present invention is directed to substituted spiro-azacyclic derivatives of the formula (I): (wherein R1, R2, R3, R4, R5, R6, R9, R10, X, Y, p and q are defined herein) which are tachykinin antagonists and are useful, for example, in the treatment or prevention of pain, inflammation, migraine, emesis and postherpetic neuralgia.
    Type: Grant
    Filed: October 22, 1999
    Date of Patent: January 9, 2001
    Assignee: Merck Sharp & Dohme Ltd.
    Inventors: Neil Roy Curtis, Jason Matthew Elliott, Gregory John Hollingworth, Philip Stephen Jackson, Janusz Jozef Kulagowski, Eileen Mary Seward, Christopher John Swain, Brian John Williams
  • Patent number: 6114315
    Abstract: The present invention provides methods for the treatment or prevention of major depressive disorder with anxiety without concomitant therapy with other anti-depressant or anti-anxiety agents which comprises oral administration of an orally active, long acting, CNS-penetrant NK-1 receptor antagonist and pharmaceutical compositions comprising such a NK-1 receptor antagonist.
    Type: Grant
    Filed: June 11, 1998
    Date of Patent: September 5, 2000
    Assignee: Merck Sharp & Dohme Ltd.
    Inventors: Raymond Baker, Neil Roy Curtis, Jason Matthew Elliott, Timothy Harrison, Gregory John Hollingworth, Philip Stephen Jackson, Janusz Jozef Kulagowski, Nadia Melanie Rupniak, Eileen Mary Seward, Christopher John Swain, Brian John Williams
  • Patent number: 6100256
    Abstract: The present invention provides a method for the treatment or prevention of schizophrenic disorders using an orally active, long acting, CNS-penetrant NK-1 receptor antagonist and pharmaceutical compositions comprising such a NK-1 receptor antagonist.
    Type: Grant
    Filed: June 11, 1998
    Date of Patent: August 8, 2000
    Assignee: Merck Sharp & Dohme Ltd.
    Inventors: Raymond Baker, Neil Roy Curtis, Jason Matthew Elliott, Timothy Harrison, Gregory John Hollingworth, Philip Stephen Jackson, Janusz Jozef Kulagowski, Nadia Melanie Rupniak, Eileen May Seward, Christopher John Swain, Brian John Williams
  • Patent number: 6096729
    Abstract: The present invention provides methods for the treatment or prevention of amnestic disorders which comprises oral administration of an orally active, long acting, CNS-penetrant NK-1 receptor antagonist.
    Type: Grant
    Filed: December 1, 1997
    Date of Patent: August 1, 2000
    Assignee: Merck Sharp & Dohme Ltd.
    Inventors: Raymond Baker, Neil Roy Curtis, Jason Matthew Elliott, Timothy Harrison, Gregory John Hollingworth, Philip Stephen Jackson, Janusz Jozef Kulagowski, Nadia Melanie Rupniak, Eileen Mary Seward, Christopher John Swain, Brian John Williams
  • Patent number: 6087348
    Abstract: The present invention provides the use of an orally active, long acting, CNS-penetrant NK-1 receptor antagonist for the manufacture of a medicament adapted for oral administration for the treatment or prevention of stress disorders without concomitant therapy with other anti-stress agents, methods of treatment using such a NK-1 receptor antagonist and pharmaceutical compositions comprising it.
    Type: Grant
    Filed: June 9, 1999
    Date of Patent: July 11, 2000
    Assignee: Merck Sharp & Dohme Ltd.
    Inventors: Raymond Baker, Neil Roy Curtis, Jason Matthew Elliott, Timothy Harrison, Gregory John Hollingworth, Philip Stephen Jackson, Janusz Jozef Kulagowski, Nadia Melanie Rupniak, Eileen Mary Seward, Christopher John Swain, Brian John Williams
  • Patent number: 6071928
    Abstract: The present invention relates to compounds of formula (I), wherein R is C.sub.1-6 alkyl, C.sub.2-6 alkenyl, C.sub.2-6 alkynyl, C.sub.3-7 cycloalkyl, C.sub.3-7 cycloalkylC.sub.1-4 alkyl, which groups are optionally substituted by hydroxy, C.sub.1-4 alkoxy or NR.sup.a R.sup.b, where R.sup.a and R.sup.b each independently repesent hydrogen or C.sub.1-4 alkyl; or R is C.sub.1-4 alkyl substituted by Ar, and optionally further substituted by one or both of R.sup.4 and R.sup.5 ; R.sup.1, R.sup.2 and R.sup.3 represent a variety of substituents; R.sup.9 and R.sup.10 are each hydrogen, halogen, C.sub.1-6 alkyl, CH.sub.2 OR.sup.c, oxo, CO.sub.2 R.sup.a or CONR.sup.a R.sup.b where R.sup.c represents hydrogen, C.sub.1-6 alkyl or phenyl; X is --CH.sub.2, or --CH.sub.2 CH.sub.2 --; Y is --CH--, --CH.sub.2 --, --CH.sub.2 CH-- or --CH.sub.2 CH.sub.2 --, with the proviso that the sum total of carbon atoms in X+Y is 2 or 3; and when Y is --CH-- or --CH.sub.
    Type: Grant
    Filed: December 16, 1998
    Date of Patent: June 6, 2000
    Assignee: Merck Sharp & Dohme, Ltd.
    Inventors: Neil Roy Curtis, Ian Thomas Huscroft, Janusz Jozef Kulagowski, Christopher John Swain
  • Patent number: 6071927
    Abstract: The present invention relates to certain spiro-piperdine derivatives which are tachykinnin antagonists and are useful, for example, in the treatment or prevention of pain, inflammation, migraine, emesis and postherpetic neuralgia.
    Type: Grant
    Filed: December 16, 1998
    Date of Patent: June 6, 2000
    Assignee: Merck Sharp & Dohme Ltd.
    Inventors: Raymond Baker, Neil Roy Curtis, Jason Matthew Elliott, Timothy Harrison, Gregory John Hollingworth, Philip Stephen Jackson, Janusz Jozef Kulagowski, Eileen Mary Seward, Christopher John Swain, Brian John Williams
  • Patent number: 5977104
    Abstract: The present invention provides methods for the treatment or prevention of bipolar disorder without concomitant therapy with other antidepressant or anti-anxiety agents which comprises oral administration of an orally active, long acting, CNS-penetrant NK-1 receptor antagonist and pharmaceutical compositions comprising such a NK-1 receptor antagonist.
    Type: Grant
    Filed: June 11, 1998
    Date of Patent: November 2, 1999
    Assignee: Merck Sharp & Dohme Ltd.
    Inventors: Raymond Baker, Neil Roy Curtis, Jason Matthew Elliott, Timothy Harrison, Gregory John Hollingworth, Philip Stephen Jackson, Janusz Jozef Kulagowski, Nadia Melanie Rupniak, Eileen May Seward, Christopher John Swain, Brian John Williams
  • Patent number: 5952315
    Abstract: The present invention provides methods for the treatment or prevention of bipolar disorder without concomitant therapy with other antidepressant or anti-anxiety agents which comprises oral administration of an orally active, long acting, CNS-penetrant NK-1 receptor antagonist and pharmaceutical compositions comprising such a NK-1 receptor antagonist.
    Type: Grant
    Filed: December 1, 1997
    Date of Patent: September 14, 1999
    Assignee: Merck Sharp & Dohme Ltd.
    Inventors: Raymond Baker, Neil Roy Curtis, Jason Matthew Elliott, Timothy Harrison, Gregory John Hollingworth, Philip Stephen Jackson, Janusz Jozef Kulagowski, Nadia Melanie Rupniak, Eileen Mary Seward, Christopher John Swain, Brian John Williams