Patents by Inventor Qun K. Fang

Qun K. 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).

  • Patent number: 7456173
    Abstract: The invention is directed to racemic and stereomerically pure compounds of Formula 3: and to pharmaceutical compositions comprising them, methods of their use, and methods of their preparation.
    Type: Grant
    Filed: October 26, 2006
    Date of Patent: November 25, 2008
    Assignee: Sepracor Inc.
    Inventors: Thomas P. Jerussi, Qun K. Fang
  • Patent number: 7189715
    Abstract: The invention is directed to racemic and stereomerically pure compounds of Formula 3: and to pharmaceutical compositions comprising them, methods of their use, and methods of their preparation.
    Type: Grant
    Filed: October 24, 2003
    Date of Patent: March 13, 2007
    Assignee: Sepracor Inc.
    Inventors: Thomas P. Jerussi, Qun K. Fang
  • Patent number: 7071234
    Abstract: Methods are disclosed for the treatment and prevention of disorders and conditions including, but are not limited to, erectile dysfunction, affective disorders, weight gain, cerebral functional disorders, pain, obsessive-compulsive disorder, substance abuse, chronic disorders, anxiety, eating disorders, migraines, and incontinence. The methods comprise the administration of a dopamine reuptake inhibitor and optionally an additional pharmacologically active compound. Pharmaceutical compositions and dosage forms are also disclosed that comprise a dopamine reuptake inhibitor and optionally an additional pharmacologically active compound. Preferred dopamine reuptake inhibitors are racemic or optically pure sibutramine metabolites and pharmaceutically acceptable salts, solvates, and clathrates thereof. Preferred additional pharmacologically active compounds include drugs that affect the central nervous system, such as 5-HT3 antagonists.
    Type: Grant
    Filed: March 25, 2003
    Date of Patent: July 4, 2006
    Assignee: Sepracor Inc.
    Inventors: Thomas P Jerussi, Chrisantha H. Senanayake, Qun K. Fang
  • Patent number: 6974837
    Abstract: Pharmaceutical compositions and dosage forms are disclosed that comprise a racemic or optically pure sibutramine metabolite and a phosphodiesterase inhibitor.
    Type: Grant
    Filed: October 23, 2002
    Date of Patent: December 13, 2005
    Assignee: Sepracor Inc.
    Inventors: Thomas P. Jerussi, Chrisantha H. Senanayake, Qun K. Fang
  • Publication number: 20040147521
    Abstract: The invention is directed to racemic and stereomerically pure compounds of Formula 3: 1
    Type: Application
    Filed: October 24, 2003
    Publication date: July 29, 2004
    Inventors: Thomas P. Jerussi, Qun K. Fang
  • Publication number: 20040067957
    Abstract: Methods are disclosed for the treatment and prevention of disorders and conditions such as, but are not limited to: eating disorders; weight gain; obesity; irritable bowel syndrome; obsessive-compulsive disorders; platelet adhesion; apnea; affective disorders such as attention deficit disorders, depression, and anxiety; male and female sexual function disorders; restless leg syndrome; osteoarthritis; substance abuse including nicotine and cocaine addiction; narcolepsy; pain such as neuropathic pain, diabetic neuropathy, and chronic pain; migraines; cerebral function disorders; chronic disorders such as premenstrual syndrome; and incontinence.
    Type: Application
    Filed: September 22, 2003
    Publication date: April 8, 2004
    Inventors: Thomas P. Jerussi, Chrisantha H. Senanayake, Qun K. Fang
  • Publication number: 20030195261
    Abstract: Methods are disclosed for the treatment and prevention of disorders and conditions including, but are not limited to, erectile dysfunction, affective disorders, weight gain, cerebral functional disorders, pain, obsessive-compulsive disorder, substance abuse, chronic disorders, anxiety, eating disorders, migraines, and incontinence. The methods comprise the administration of a dopamine reuptake inhibitor and optionally an additional pharmacologically active compound. Pharmaceutical compositions and dosage forms are also disclosed that comprise a dopamine reuptake inhibitor and optionally an additional pharmacologically active compound. Preferred dopamine reuptake inhibitors are racemic or optically pure sibutrarnine metabolites and pharmaceutically acceptable salts, solvates, and clathrates thereof. Preferred additional pharmacologically active compounds include drugs that affect the central nervous system, such as 5-HT3 antagonists.
    Type: Application
    Filed: March 25, 2003
    Publication date: October 16, 2003
    Applicant: Sepracor Inc.
    Inventors: Thomas P. Jerussi, Chrisantha H. Senanayake, Qun K. Fang
  • Publication number: 20030096792
    Abstract: Methods are disclosed for the treatment and prevention of disorders and conditions such as, but are not limited to: eating disorders; weight gain; obesity; irritable bowel syndrome; obsessive-compulsive disorders; platelet adhesion; apnea; affective disorders such as attention deficit disorders, depression, and anxiety; male and female sexual function disorders; restless leg syndrome; osteoarthritis; substance abuse including nicotine and cocaine addiction; narcolepsy; pain such as neuropathic pain, diabetic neuropathy, and chronic pain; migraines; cerebral function disorders; chronic disorders such as premenstrual syndrome; and incontinence.
    Type: Application
    Filed: October 23, 2002
    Publication date: May 22, 2003
    Applicant: Sepracor, Inc.
    Inventors: Thomas P. Jerussi, Chrisantha H. Senanayake, Qun K. Fang
  • Publication number: 20030087963
    Abstract: The invention is directed, in part, to racemic and stereomerically pure 2-hydroxy derivatives of sibutramine and its metabolites, and 2-hydroxy derivatives of desmethylsibutramine and didesmethylsibutramine in particular. The invention is further directed to novel methods of preparing these derivatives are also disclosed.
    Type: Application
    Filed: September 11, 2002
    Publication date: May 8, 2003
    Inventors: Chris H. Senanayake, Thomas P. Jerussi, Mark G. Currie, Qun K. Fang, Bob Hsu
  • Patent number: 6538034
    Abstract: Methods are disclosed for the treatment and prevention of obesity, weight gain, and eating disorders. The methods comprise the administration of racemic or optically pure sibutramine metabolites and pharmaceutically acceptable salts, solvates, and clathrates thereof.
    Type: Grant
    Filed: December 4, 2001
    Date of Patent: March 25, 2003
    Inventors: Thomas P. Jerussi, Chrisantha H. Senanayake, Qun K. Fang
  • Publication number: 20020188029
    Abstract: Methods are disclosed for the treatment and prevention of disorders and conditions including, but are not limited to, erectile dysfunction, affective disorders, weight gain, cerebral functional disorders, pain, obsessive-compulsive disorder, substance abuse, chronic disorders, anxiety, eating disorders, migraines, and incontinence. The methods comprise the administration of a dopamine reuptake inhibitor and optionally an additional pharmacologically active compound. Pharmaceutical compositions and dosage forms are also disclosed that comprise a dopamine reuptake inhibitor and optionally an additional pharmacologically active compound. Preferred dopamine reuptake inhibitors are racemic or optically pure sibutramine metabolites and pharmaceutically acceptable salts, solvates, and clathrates thereof. Preferred additional pharmacologically active compounds include drugs that affect the central nervous system, such as 5-HT3 antagonists.
    Type: Application
    Filed: December 4, 2001
    Publication date: December 12, 2002
    Applicant: Sepracor Inc.
    Inventors: Thomas P. Jerussi, Chrisantha H. Senanayake, Qun K. Fang
  • Patent number: 6476078
    Abstract: Methods are disclosed for the treatment and prevention of male and female sexual function disorders which comprise a racemic or optically pure sibutramine metabolite and a phosphodiesterase inhibitor.
    Type: Grant
    Filed: January 29, 2001
    Date of Patent: November 5, 2002
    Assignee: Sepracor, Inc.
    Inventors: Thomas P. Jerussi, Chrisantha H. Senanayake, Qun K. Fang
  • Publication number: 20020052340
    Abstract: Methods and compositions are disclosed which utilize metabolites of bupropion for treating disorders ameliorated by inhibition of neuronal monoamine reuptake. Such disorders include, but are not limited to, erectile dysfunction, affective disorders, cerebral function disorders, cigarette smoking, and incontinence. The invention further discloses methods of making optically pure bupropion metabolites.
    Type: Application
    Filed: November 16, 2001
    Publication date: May 2, 2002
    Inventors: Thomas P. Jerussi, John R. McCullough, Chrisantha H. Senanayake, Qun K. Fang
  • Patent number: 6342496
    Abstract: Methods are disclosed which utilize metabolites of bupropion for treating disorders ameliorated by inhibition of neuronal monoamine reuptake. Such disorders include, cerebral function disorders, cigarette smoking, and incontinence.
    Type: Grant
    Filed: February 22, 2000
    Date of Patent: January 29, 2002
    Assignee: Sepracor Inc.
    Inventors: Thomas P. Jerussi, John R. McCullough, Chrisantha H. Senanayake, Qun K. Fang
  • Publication number: 20020010198
    Abstract: Methods are disclosed for the treatment and prevention of disorders and conditions such as, but are not limited to: eating disorders; weight gain; obesity; irritable bowel syndrome; obsessive-compulsive disorders; platelet adhesion; apnea; affective disorders such as attention deficit disorders, depression, and anxiety; male and female sexual function disorders; restless leg syndrome; osteoarthritis; substance abuse including nicotine and cocaine addiction; narcolepsy; pain such as neuropathic pain, diabetic neuropathy, and chronic pain; migraines; cerebral function disorders; chronic disorders such as premenstrual syndrome; and incontinence.
    Type: Application
    Filed: January 29, 2001
    Publication date: January 24, 2002
    Inventors: Thomas P. Jerussi, Chrisantha H. Senanayake, Qun K. Fang
  • Patent number: 6339106
    Abstract: Methods are disclosed for the treatment and prevention of sexual. The methods comprise the administration of a dopamine reuptake inhibitor and optionally an additional pharmacologically active compound. Pharmaceutical compositions and dosage forms are also disclosed that comprise a dopamine reuptake inhibitor and optionally an additional pharmacologically active compound. Preferred dopamine reuptake inhibitors are racemic or optically pure sibutramine metabolites and pharmaceutically acceptable salts, solvates, and clathrates thereof. Preferred additional pharmacologically active compounds include drugs that affect the central nervous system, such as 5-HT3 antagonists.
    Type: Grant
    Filed: September 14, 2000
    Date of Patent: January 15, 2002
    Assignee: Sepracor, Inc.
    Inventors: Thomas P. Jerussi, Chrisantha H. Senanayake, Qun K. Fang
  • Patent number: 6331571
    Abstract: Methods are disclosed for the treatment and prevention of affective disorders with racemic or optically pure sibutramine metabolites and pharmaceutically acceptable salts, solvates, and clathrates thereof.
    Type: Grant
    Filed: August 11, 1999
    Date of Patent: December 18, 2001
    Assignee: Sepracor, Inc.
    Inventors: Thomas P. Jerussi, Chrisantha H. Senanayake, Qun K. Fang