Patents by Inventor David Christopher Horwell

David Christopher Horwell 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: 20130059871
    Abstract: The present invention provides (I) these compounds are useful in prevention and treatment of neurodegenerative disorders, such as Alzheimer's, Parkinson's and Huntington's as well as type II diabetes.
    Type: Application
    Filed: April 30, 2012
    Publication date: March 7, 2013
    Inventors: David Christopher HORWELL, David Ian Carter SCOPES
  • Publication number: 20100298325
    Abstract: a compound of formula (I) or a pharmaceutically acceptable salt or prodrug thereof: wherein X and Y are independently NR5 or O; W and Z are independently a bond or (CH2)mCH(R7)(CH2)n; m=0-1, n=0-2; R is hydrogen or halogen; R1 and R2 are independently selected from hydrogen halogen, CF3, CN, OR8, NR9R10, NR9COR11, NR9SO2R11 or C1-6 alkyl optionally substituted by hydroxyl, C1-6 alkoxy or NR9R10; R3 is hydrogen, halogen, CF3, CN, OR8, SR8 or SO2R11; R4 is hydrogen, halogen, CF3, OR9, NR9R10, NR9COR11, NR9SO2R11 or C1-6 alkyl optionally substituted by hydroxyl, C1-6 alkoxy or NR9R10; R5 is hydrogen or C1-6 alkyl optionally substituted by hydroxyl, C1-6 alkoxy or NR9R10; R6 is hydrogen, fluorine, C1-6 alkyl, or C1-6 alkoxy; R6 is hydrogen, fluorine, C1-6 alkyl, or C1-6 alkoxy; R7 is hydrogen, C1-6 alkyl, phenyl or C1-3 alkylphenyl wherein said phenyl groups are optionally substituted by one or more substituents selected from halogen, C1-6 alkyl, CF3, OCF3 or OR9; R8 is hydrogen or C1-6 alkyl optionally substitut
    Type: Application
    Filed: October 6, 2008
    Publication date: November 25, 2010
    Applicant: SENEXIS LIMITED
    Inventors: David Ian Carter Scopes, David Christopher Horwell
  • Publication number: 20100063077
    Abstract: The present invention provides (I) These compounds are useful in prevention and treatment of neurodegenerative disorders, such as Alzheimer's, Parkinson's and Huntington's as well as type II diabetes.
    Type: Application
    Filed: April 27, 2007
    Publication date: March 11, 2010
    Applicant: SENEXIS LIMITED
    Inventors: David Christopher Horwell, David Ian Carter Scopes
  • Patent number: 7122678
    Abstract: The invention is a novel series of cyclic amino acids which are useful in the treatment of epilepsy, faintness attacks, neurodegenerative disorders, depression, anxiety, panic, pain, neuropathological disorders, gastrointestinal disorders such as irritable bowel syndrome (IBS), and inflammation, especially arthritis. A pharmaceutical composition containing a compound of the invention as well as methods of preparing the compounds and novel intermediates useful in the preparation of the final compounds are included.
    Type: Grant
    Filed: March 11, 2005
    Date of Patent: October 17, 2006
    Assignee: Warner-Lambert Company
    Inventors: Justin Stephen Bryans, David Christopher Horwell, Andrew John Thorpe, David Juergen Wustrow, Po-Wai Yuen
  • Patent number: 6921835
    Abstract: The invention is a novel series of cyclic amino acids which are useful in the treatment of epilepsy, faintness attacks, neurodegenerative disorders, depression, anxiety, panic, pain, neuropathological disorders, gastrointestinal disorders such as irritable bowel syndrome (IBS), and inflammation, especially arthritis. A pharmaceutical composition containing a compound of the invention as well as methods of preparing the compounds and novel intermediates useful in the preparation of the final compounds are included.
    Type: Grant
    Filed: May 30, 2003
    Date of Patent: July 26, 2005
    Assignee: Warner Lambert Company
    Inventors: Justin Stephen Bryans, David Christopher Horwell, Andrew John Thorpe, David Juergen Wustrow, Po-Wai Yuen
  • Patent number: 6846953
    Abstract: Aromatic and heteroaromatic amides of the formula where R1, R2 and R3 can be alkyl, X is alkylene, and R4 is an unsubstituted or substituted aromatic or heteroaromatic group such as naphthyl or fluorenyl, are CNS agents useful for treating pain, depression, anxiety, seizures, and schizophrenia.
    Type: Grant
    Filed: May 10, 2000
    Date of Patent: January 25, 2005
    Assignee: Warner Lambert Company
    Inventors: Justin Stephen Bryans, John Colm O'Toole, David Christopher Horwell
  • Publication number: 20030229054
    Abstract: Novel amines of formulas 1A and 1B 1
    Type: Application
    Filed: February 14, 2003
    Publication date: December 11, 2003
    Inventors: Thomas Richard Belliotti, Justin Stephen Bryans, Thomas Capiris, David Christopher Horwell, Clare Octavia Kneen, David Juergen Wustrow
  • Publication number: 20030220397
    Abstract: The invention is a novel series of cyclic amino acids which are useful in the treatment of epilepsy, faintness attacks, neurodegenerative disorders, depression, anxiety, panic, pain, neuropathological disorders, gastrointestinal disorders such as irritable bowel syndrome (IBS), and inflammation, especially arthritis. A pharmaceutical composition containing a compound of the invention as well as methods of preparing the compounds and novel intermediates useful in the preparation of the final compounds are included.
    Type: Application
    Filed: May 30, 2003
    Publication date: November 27, 2003
    Inventors: Justin Stephen Bryans, David Christopher Horwell, Andrew John Thorpe, David Juergen Wustrow, Po-Wai Yuen
  • Patent number: 6635673
    Abstract: The invention is a novel series of cyclic amino acids which are useful in the treatment of epilepsy, faintness attacks, neurodegenerative disorders, depression, anxiety, panic, pain, neuropathological disorders, gastrointestinal disorders such as irritable bowel syndrome (IBS), and inflammation, especially arthritis. A pharmaceutical composition containing a compound of the invention as well as methods of preparing the compounds and novel intermediates useful in the preparation of the final compounds are included.
    Type: Grant
    Filed: February 8, 2000
    Date of Patent: October 21, 2003
    Assignee: Warner-Lambert Company
    Inventors: Justin Stephen Bryans, David Christopher Horwell, Andrew John Thorpe, David Juergen Wustrow, Po-Wai Yuen
  • Publication number: 20030119858
    Abstract: Novel substituted amino acids of formula 1
    Type: Application
    Filed: October 22, 2002
    Publication date: June 26, 2003
    Inventors: Justin Stephen Bryans, David Christopher Horwell, Jean-Marie Receveur
  • Patent number: 6545022
    Abstract: Novel amines of formulas 1D and 1E are disclosed and are useful as agents in the treatment of epilepsy, faintness attacks, hypokinesia, cranial disorders, neurodegenerative disorders, depression, anxiety, panic, pain, neuropathological disorders, inflammatory diseases, and gastrointestinal disorders, especially IBS. Processes for the preparation and intermediates useful in the preparation are also disclosed.
    Type: Grant
    Filed: April 7, 2000
    Date of Patent: April 8, 2003
    Assignee: Pfizer Inc.
    Inventors: Justin Stephen Bryans, David Christopher Horwell, Clare Octavia Kneen, David Juergen Wustrow
  • Publication number: 20030065007
    Abstract: Non-peptide acetamide derivatives of Formula I are specific NK1 antagonists, 1
    Type: Application
    Filed: October 9, 2002
    Publication date: April 3, 2003
    Inventors: Mark Wallace Creswell, Michael Higginbottom, David Christopher Horwell, Russel Andrew Lewthwaite, Martyn Clive Pritchard, Jennifer Raphy
  • Patent number: 6521650
    Abstract: Novel gamma aminobutyric acids of formula (I) are disclosed and are useful as agents in the treatment of epilepsy, faintness attacks, hypokinesia, cranial disorders, neurodegenerative disorders, depression, anxiety, panic, pain, neuropathological disorders, inflammation, and gastrointestinal damage. Processes for the preparation and intermediates useful in the preparation are also disclosed.
    Type: Grant
    Filed: April 4, 2000
    Date of Patent: February 18, 2003
    Assignee: Pfizer, Inc.
    Inventors: Thomas Richard Belliotti, Justin Stephen Bryans, Thomas Capiris, David Christopher Horwell, Clare Octavia Kneen, David Juergen Wustrow
  • Patent number: 6518289
    Abstract: Novel amines of formulas (1), (1C), (1F), (1G) and (1H) or a pharmaceutical acceptable salt thereof wherein n is an integer of from 0 to 2; m is an integer of from 0 to 3; R is sulfonamide, amide, phosphonic acid, heterocycle, sulfonic acid, or hydroxamic acid; A′ is a bridged ring selected from (1), (2), (3), (4), (5) wherein is the point of attachment; Z1 to Z4 are each independently selected from hydrogen and methyl; o is an integer of from 1 to 4; and p is an integer of from 0 to 2. In formula (1) above R cannot be sulfonic acid when m is 2 and n is 1 are disclosed and are useful as agents in the treatment of epilepsy, faintness attacks, hypokinesia, cranial disorders, neurodegenerative disorders, depression, anxiety, panic, pain, neuropathological disorders, especially irritable bowel syndrome.
    Type: Grant
    Filed: April 3, 2000
    Date of Patent: February 11, 2003
    Assignee: Pfizer, Inc.
    Inventors: Justin Stephen Bryans, Thomas Capiris, David Christopher Horwell, Clare Octavia Kneen, David Juergen Wustrow
  • Patent number: 6489352
    Abstract: Novel substituted amino acids of formula are disclosed and are useful as agents in the treatment of epilepsy, faintness attacks, hypokinesia, cranial disorders, neurodegenerative disorders, depression, anxiety, panic, pain, and neuropathological disorders. Processes for the preparation and intermediates useful in the preparation are also disclosed.
    Type: Grant
    Filed: August 8, 2001
    Date of Patent: December 3, 2002
    Assignee: Warner-Lambert Company
    Inventors: Justin Stephen Bryans, David Christopher Horwell, Jean-Marie Receveur
  • Patent number: 6472418
    Abstract: Non-peptide acetamide derivatives of Formula I are specific NK1 antagonist, where R is aryl, R1 and R2 are H or alkyl, m, n and q are integers from 0 to 4, X is NR8 or NHCONH, R3 and R9 are H or alkyl, R4 is naphthyl or indolyl, R5 and R2 are H or alkyl, and R6 is aryl. The compounds are useful agents for treating inflammatory and allergic disorders, pain, anxiety, depression, schizophrenia and emesis.
    Type: Grant
    Filed: June 18, 2001
    Date of Patent: October 29, 2002
    Assignee: Warner-Lambert Company
    Inventors: Mark Wallace Creswell, Michael Higginbottom, David Christopher Horwell, Russel Andrew Lewthwaite, Martyn Clive Pritchard, Jennifer Raphy
  • Publication number: 20020019540
    Abstract: Novel substituted amino acids of formula 1
    Type: Application
    Filed: August 8, 2001
    Publication date: February 14, 2002
    Inventors: Justin Stephen Bryans, David Christopher Horwell, Jean-Marie Receveur
  • Patent number: 6316638
    Abstract: Novel substituted amino acids of formula are disclosed and are useful as agents in the treatment of epilepsy, faintness attacks, hypokinesia, cranial disorders, neurodegenerative disorders, depression, anxiety, panic, pain, and neuropathological disorders. Processes for the preparation and intermediates useful in the preparation are also disclosed.
    Type: Grant
    Filed: August 16, 2000
    Date of Patent: November 13, 2001
    Assignee: Warner-Lambert Company
    Inventors: Justin Stephen Bryans, David Christopher Horwell, Jean-Marie Receveur
  • Patent number: 6245801
    Abstract: Branched alkyl pyrrolidines of formula (I) are disclosed and are useful as agents in the treatment of epilepsy, faintness attacks, hypokinesia, cranial disorders, neurodegenerative disorders, depression, anxiety, panic, pain, and neuropatnological disorders. Processes for the preparation and intermediates useful in the preparation are also disclosed.
    Type: Grant
    Filed: October 13, 2000
    Date of Patent: June 12, 2001
    Assignee: Warner-Lambert Company
    Inventors: Justin Stephen Bryans, Ihoezo Victor Ekhato, David Christopher Horwell, Rong Ling, Jean-Marie Receveur, David Juergen Wustrow
  • Patent number: 6225352
    Abstract: This invention is for low molecular weight dendritic polymers (dendroids) of Formula I are useful as agents in the treatment of cancer, Alzheimers disease, thrombosis, inflammatory diseases, and bacterial resistance.
    Type: Grant
    Filed: February 4, 1999
    Date of Patent: May 1, 2001
    Assignee: Warner-Lambert Company
    Inventors: David Christopher Horwell, Giles Stuart Ratcliffe