Patents by Inventor Hans Wännman

Hans Wännman 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).

  • Crystalline salts of quinoline compounds and methods for preparing them
    Patent number: 8314124
    Abstract: A stable solid pharmaceutical composition consisting essentially of an effective amount of a crystalline salt of formula (II) together with an alkaline-reacting component maintaining the pH preferably above 8, or a salt with a divalent metal cation; and at least one pharmaceutical excipient; said salt of formula (II) being essentially stable during storage at room temperature for a period of at least 3 years. A process for stabilizing the salt of formula (II). A crystalline salt of formula (II) and a process for preparing said salt.
    Type: Grant
    Filed: March 17, 2009
    Date of Patent: November 20, 2012
    Assignee: Active Biotech AB
    Inventors: Karl Jansson, Tomas Fristedt, Hans Wännman, Anders Björk
  • Compositions containing quinoline compounds
    Patent number: 7589208
    Abstract: A stable solid pharmaceutical composition consisting essentially of an effective amount of a salt of formula (II) together with an alkaline-reacting component maintaining the pH preferably above 8, or a salt with a divalent metal cation; and at least one pharmaceutical excipient; said salt of formula (II) being essentially stable during storage at room temperature for a period of at least 3 years. A process for stabilizing the salt of formula (II). A crystalline salt of formula (II) and a process for preparing said salt.
    Type: Grant
    Filed: February 4, 2005
    Date of Patent: September 15, 2009
    Assignee: Active Biotech AB
    Inventors: Karl Jansson, Tomas Fristedt, Hans Wännman, Anders Björk
  • Compositions containing quinoline compounds
    Patent number: 7511143
    Abstract: A stable solid pharmaceutical composition consisting essentially of an effective amount of a salt of formula (II) together with an alkaline-reacting component maintaining the pH preferably above 8, or a salt with a divalent metal cation; and at least one pharmaceutical excipient; said salt of formula (II) being essentially stable during storage at room temperature for a period of at least 3 years. A process for stabilizing the salt of formula (II). A crystalline salt of formula (II) and a process for preparing said salt.
    Type: Grant
    Filed: February 4, 2005
    Date of Patent: March 31, 2009
    Assignee: Active Biotech AB
    Inventors: Karl Jansson, Tomas Fristedt, Hans Wännman, Anders Björk