Patents by Inventor Jan L. Chen

Jan L. Chen 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: 7872025
    Abstract: Racemic norketotifen, racemic 10-hydroxy-ketotifen, racemic 10-hydroxy-nor-ketotifen and optically active isomers of ketotifen, norketotifen, 10-hydroxy-ketotifen and 10-hydroxy-norketotifen were found to have antiallergic and anti-inflammatory effects while being devoid of the severe dose-limiting sedative side effects of Ketotifen.
    Type: Grant
    Filed: February 12, 2009
    Date of Patent: January 18, 2011
    Assignee: Bridge Pharma, Inc.
    Inventors: A. K. Gunnar Aberg, George E. Wright, Jan L. Chen, Andrew T. Maioli
  • Publication number: 20100179114
    Abstract: The present invention relates to the S-isomers of anesthetic compounds, the methods of treatment therewith, the compounds being useful for inducing local anesthesia, analgesia and sleep.
    Type: Application
    Filed: March 4, 2010
    Publication date: July 15, 2010
    Applicant: BRIDGE PHARMA, INC.
    Inventors: Gunnar Aberg, Jan L. Chen
  • Patent number: 7557128
    Abstract: Racemic norketotifen, racemic 10-hydroxy-ketotifen, racemic 10-hydroxy-nor-ketotifen and optically active isomers of ketotifen, norketotifen, 10-hydroxy-ketotifen and 10-hydroxy-norketotifen were found to have antiallergic and anti-inflammatory effects while being devoid of the severe dose-limiting sedative side effects of Ketotifen.
    Type: Grant
    Filed: April 30, 2007
    Date of Patent: July 7, 2009
    Assignee: Bridge Pharma, Inc.
    Inventors: A. K. Gunnar Aberg, George E. Wright, Jan L. Chen, Andrew T. Maioli
  • Publication number: 20090149502
    Abstract: Racemic norketotifen, racemic 10-hydroxy-ketotifen, racemic 10-hydroxy-nor-ketotifen and optically active isomers of ketotifen, norketotifen, 10-hydroxy-ketotifen and 10-hydroxy-norketotifen were found to have antiallergic and anti-inflammatory effects while being devoid of the severe dose-limiting sedative side effects of Ketotifen.
    Type: Application
    Filed: February 12, 2009
    Publication date: June 11, 2009
    Inventors: A. K. Gunnar Aberg, George E. Wright, Jan L. Chen, Andrew T. Maioli
  • Publication number: 20080287498
    Abstract: Racemic norketotifen, racemic 10-hydroxy-ketotifen, racemic 10-hydroxy-nor-ketotifen and optically active isomers of ketotifen, norketotifen, 10-hydroxy-ketotifen and 10-hydroxy-norketotifen were found to have antiallergic and anti-inflammatory effects while being devoid of the severe dose-limiting sedative side effects of Ketotifen.
    Type: Application
    Filed: April 30, 2007
    Publication date: November 20, 2008
    Inventors: A.K. Gunnar Aberg, George E. Wright, Jan L. Chen, Andrew T. Maioli
  • Patent number: 7226934
    Abstract: Racemic norketotifen, racemic 10-hydroxy-ketotifen, racemic 10-hydroxy-nor-ketotifen and optically active isomers of ketotifen, norketotifen, 10-hydroxy-ketotifen and 10-hydroxy-norketotifen were found to have antiallergic and anti-inflammatory effects while being devoid of the severe dose-limiting sedative side effects of ketotifen.
    Type: Grant
    Filed: September 12, 2000
    Date of Patent: June 5, 2007
    Assignee: Bridge Pharma, Inc.
    Inventors: A. K. Gunnar Aberg, George E. Wright, Jan L. Chen, Andrew T. Maioli
  • Patent number: 7141696
    Abstract: The present invention relates to smooth muscle spasmolytic agents, pharmaceutical compositions containing them and method of using said compounds and compositions for the treatment of urinary incontinence, and other smooth muscle contractility conditions. More particularly, the present invention relates to certain metabolically stabilized secondary amines having smooth muscle relaxing properties while avoiding, on administration to a mammal, adverse side effects such as prominent antimuscarinic, arrhythmogenic and cardiodepressive effects.
    Type: Grant
    Filed: May 21, 2004
    Date of Patent: November 28, 2006
    Assignee: Bridge Pharma, Inc.
    Inventors: A. K. Gunnar Aberg, Jan L. Chen, Andrew T. Maioli, George E. Wright
  • Publication number: 20040248987
    Abstract: The present invention relates to smooth muscle spasmolytic agents, pharmaceutical compositions containing them and method of using said compounds and compositions for the treatment of urinary incontinence, and other smooth muscle contractility conditions. More particularly, the present invention relates to certain metabolically stabilized secondary amines having smooth muscle relaxing properties while avoiding, on administration to a mammal, adverse side effects such as prominent antimuscarinic, arrhythmogenic and cardiodepressive effects.
    Type: Application
    Filed: May 21, 2004
    Publication date: December 9, 2004
    Inventors: A.K. Gunnar Aberg, Jan L. Chen, Andrew T. Maioli, George E. Wright
  • Patent number: 6413987
    Abstract: The present invention relates to new aminoindane piperidine compounds, the method of using aminoindane compounds as local anesthetics, said compounds having particularly valuable properties as dermal and topical anesthetics in mammals, including man, as well as compositions containing said compounds.
    Type: Grant
    Filed: June 6, 2000
    Date of Patent: July 2, 2002
    Assignee: Bridge Pharma, Inc.
    Inventors: A. K. Gunnar Aberg, George E. Wright, Jan L. Chen
  • Patent number: 6207852
    Abstract: The present invention relates to smooth muscle spasmolytic agents, pharmaceutical compositions containing them and method of using said compounds and compositions for the treatment of urinary incontinence, gastric hyperactivity (ex. Irritable Bowel Syndrome) and other smooth muscle contractile conditions. More particularly, the present invention relates to certain substituted esters, amides and ketones having smooth muscle relaxing properties while avoiding, on administration to a mammal, adverse side effects such as prominent antimuscarinic, arrhythmogenic and cardiodepressive effects.
    Type: Grant
    Filed: December 23, 1998
    Date of Patent: March 27, 2001
    Assignee: Bridge Pharma, Inc.
    Inventors: A. K. Gunnar Aberg, George E. Wright, Jan L. Chen
  • Patent number: 6207683
    Abstract: Disclosed are N-substituted hydroxyalkyl or carboxyalkyloxyalkyl analogs of 9- and/or 10-oxo-4Hbenzo[4,5]cycloheptal[1,2-b]thiophene compounds, or 9-OH and/or 10-OH-substituted analogs thereof, which possess antihistaminic and antiasthmatic properties with reduced sedative side effects. The optically active isomers and pharmaceutically acceptable salts thereof are also described. The compounds were also found to prevent smooth muscle hyperreactivity.
    Type: Grant
    Filed: October 29, 1999
    Date of Patent: March 27, 2001
    Assignee: Bridge Pharma, Inc.
    Inventors: A. K. Gunnar Aberg, George E. Wright, Jan L. Chen