Patents by Inventor Q. Fang

Q. Fang 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: 20060148775
    Abstract: Compositions containing ?2 adrenergic agonists in combination with carbonates and carbamates of the formula and in combination with related steroid carbonates and carbamates are disclosed. The compositions are useful for treating bronchospasm, for inducing bronchodilation and for treating rhinitis, asthma, and chronic obstructive pulmonary disease (COPD) and inflammatory diseases, particularly by inhalation.
    Type: Application
    Filed: February 28, 2006
    Publication date: July 6, 2006
    Applicant: SEPRACOR INC.
    Inventors: Mark Currie, Steve Jones, Paul Grover, Chris Sennayake, Q. Fang
  • Publication number: 20050143434
    Abstract: Methods for increasing D-Serine concentration and reducing concentration of the toxic products of D-Serine oxidation, for enhancing learning, memory and/or cognition, or for treating schizophrenia, Alzheimer's disease, ataxia, or neuropathic pain, or preventing loss in neuronal function characteristic of neurodegenerative diseases involve administering to a subject in need of treatment a therapeutic amount of a compound of formula I, or a pharmaceutically acceptable salt or solvate thereof: wherein Z1 is N or CR3; Z2 is N or CR4; Z3is O or S; A is hydrogen, alkyl or M+; M is aluminum, calcium, lithium, magnesium, potassium, sodium, zinc or a mixture thereof; R1, R2, R3 and R4 are independently selected from hydrogen, alkyl, hydroxy alkoxy, aryl, acyl, halo, cyano, haloalkyl, NHCOOR5 and SO2NH2; R5 is aryl, arylalkyl, heteroaryl or heteroarylalkyl; at least one of R1, R2, R3 and R4 is other than hydrogen; and at least one of Z1 and Z2 is other than N.
    Type: Application
    Filed: December 28, 2004
    Publication date: June 30, 2005
    Applicant: SEPRACOR INC.
    Inventors: Q. Fang, Seth Hopkins, Steven Jones
  • Publication number: 20050143443
    Abstract: Methods for increasing D-Serine concentration and reducing concentration of the toxic products of D-Serine oxidation, for enhancing learning, memory and/or cognition, or for treating schizophrenia, Alzheimer's disease, ataxia or neuropathic pain, or preventing loss in neuronal function characteristic of neurodegenerative diseases involve administering to a subject in need of treatment a therapeutically effective amount of a compound of formula I, or a pharmaceutically acceptable salt or solvate thereof: wherein R1 and R2 are independently selected from hydrogen, halo, nitro, alkyl, acyl, alkylaryl, and XYR5; or R1 and R2, taken together, form a 5, 6, 7 or 8-membered substituted or unsubstituted carbocyclic or heterocyclic group; X and Y are independently selected from O, S, NH, and (CR6R7)n; R3 is hydrogen, alkyl or M+; M is aluminum, calcium, lithium, magnesium, potassium, sodium, zinc ion or a mixture thereof; Z is N or CR4; R4 is from selected from hydrogen, halo, nitro, alkyl, alkylaryl, and X
    Type: Application
    Filed: December 28, 2004
    Publication date: June 30, 2005
    Applicant: SEPRACOR INC.
    Inventors: Q. Fang, Seth Hopkins, Steven Jones
  • Publication number: 20050009798
    Abstract: Compositions containing ?2 adrenergic agonists in combination with carbonates and carbamates of the formula and in combination with related steroid carbonates and carbamates are disclosed. The compositions are useful for treating bronchospasm, for inducing bronchodilation and for treating rhinitis, asthma, and chronic obstructive pulmonary disease (COPD) and inflammatory diseases, particularly by inhalation.
    Type: Application
    Filed: August 1, 2003
    Publication date: January 13, 2005
    Applicant: SEPRACOR INC.
    Inventors: Mark Currie, Steve Jones, Paul Grover, Chris Senanayake, Q. Fang
  • Patent number: 6268533
    Abstract: A method is disclosed for the preparation of optically pure isomers of formoterol by the reaction of an optically pure 4-benzyloxy-3-formamidostyrene oxide with an optically pure 4-methoxy-&agr;-methyl-N-(phenylmethyl)benzeneethanamine followed by debenzylation. Useful intermediates in the process are also disclosed, as are the novel L-tartrate salt of R,R-formoterol and pharmaceutical compositions thereof.
    Type: Grant
    Filed: January 27, 2000
    Date of Patent: July 31, 2001
    Assignee: Sepracor Inc.
    Inventors: Yun Gao, Robert Hett, Kevin Q. Fang, Stephen A. Wald, Chris Hugh Senanayake
  • Patent number: 6040344
    Abstract: A method is disclosed for the preparation of optically pure isomers of formoterol by the reaction of an optically pure 4-benzyloxy-3-formamidostyrene oxide with an optically pure 4-methoxy-.alpha.-methyl-N-(phenylmethyl)benzeneethanamine followed by debenzylation. Useful intermediates in the process are also disclosed, as are the novel L-tartrate salt of R,R-formoterol and pharmaceutical compositions thereof.
    Type: Grant
    Filed: May 21, 1998
    Date of Patent: March 21, 2000
    Assignee: Sepracor Inc.
    Inventors: Yun Gao, Robert Hett, Kevin Q. Fang, Stephen A. Wald, Martin P. Redmon, Chris Hugh Senanayake