Patents by Inventor Petra Barth

Petra Barth 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: 20050147564
    Abstract: A liquid, propellant-free pharmaceutical preparation comprising: (a) a first active substance comprising a tiotropium salt, in a concentration based on tiotropium of between 0.0005% and 5% by weight; (b) a second active substance selected from the group consisting of: an antiallergic, antihistamine, steroid, and leukotriene antagonist; (c) a solvent selected from water or a water/ethanol mixture; and (d) a pharmacologically acceptable preservative, wherein the pH of the preparation is adjusted to between 2.0 and 4.5 with an acid and the tiotropium salt is dissolved in the solvent, optionally including a pharmacologically acceptable complexing agent, stabilizer, a pharmacologically acceptable cosolvent, or other pharmacologically acceptable adjuvants and additives; a method for administering a pharmaceutical preparation by nebulizing the pharmaceutical preparation in an inhaler, and a method of treating asthma or COPD in a patient using the pharmaceutical preparation.
    Type: Application
    Filed: February 28, 2005
    Publication date: July 7, 2005
    Applicant: Boehringer Ingelheim Pharma KG
    Inventors: Karin Drechsel, Barbara Niklaus-Humke, Christel Schmelzer, Petra Barth
  • Patent number: 6890517
    Abstract: A liquid, propellant-free pharmaceutical preparation comprising: (a) a first active substance comprising a tiotropium salt, in a concentration based on tiotropium of between 0.0005% and 5% by weight; (b) a second active substance selected from the group consisting of: an antiallergic, antihistamine, steroid, and leukotriene antagonist; (c) a solvent selected from water or a water/ethanol mixture; and (d) a pharmacologically acceptable preservative, wherein the pH of the preparation is adjusted to between 2.0 and 4.5 with an acid and the tiotropium salt is dissolved in the solvent, optionally including a pharmacologically acceptable complexing agent, stabilizer, a pharmacologically acceptable cosolvent, or other pharmacologically acceptable adjuvants and additives; a method for administering a pharmaceutical preparation by nebulizing the pharmaceutical preparation in an inhaler, and a method of treating asthma or COPD in a patient using the pharmaceutical preparation.
    Type: Grant
    Filed: March 24, 2003
    Date of Patent: May 10, 2005
    Assignee: Boehringer Ingelheim Pharma KG
    Inventors: Karin Drechsel, Barbara Niklaus-Humke, Christel Schmelzer, Petra Barth
  • Publication number: 20040132761
    Abstract: A pharmaceutical preparation comprising:
    Type: Application
    Filed: December 15, 2003
    Publication date: July 8, 2004
    Applicant: Boehringer Ingelheim Pharma KG
    Inventors: Karin Drechsel, Barbara Niklaus-Humke, Christel Schmelzer, Petra Barth
  • Publication number: 20040019073
    Abstract: The present invention relates to a propellant-free aerosol formulation of a pharmaceutically acceptable salt of tiotropium dissolved in water. The formulation according to the invention is particularly suitable for nebulizing the active substance using a nebulizer (atomizer) in order to administer the active substance preferably to treat the indications asthma and COPD by inhalation.
    Type: Application
    Filed: March 20, 2003
    Publication date: January 29, 2004
    Applicant: Boehringer Ingelheim Pharma GmbH Co. KG
    Inventors: Karin Drechsel, Barbara Niklaus-Humke, Christel Schmelzer, Petra Barth
  • Publication number: 20030181478
    Abstract: A liquid, propellant-free pharmaceutical preparation comprising:
    Type: Application
    Filed: March 24, 2003
    Publication date: September 25, 2003
    Applicant: Boehringer Ingelheim Pharma KG
    Inventors: Karin Drechsel, Barbara Niklaus-Humke, Christel Schmelzer, Petra Barth
  • Publication number: 20020137764
    Abstract: A liquid, propellant-free pharmaceutical preparation comprising:
    Type: Application
    Filed: October 25, 2001
    Publication date: September 26, 2002
    Inventors: Karin Drechsel, Barbara Niklaus-Humke, Christel Schmelzer, Petra Barth
  • Publication number: 20020111363
    Abstract: A pharmaceutical preparation comprising:
    Type: Application
    Filed: October 17, 2001
    Publication date: August 15, 2002
    Inventors: Karin Drechsel, Barbara Niklaus-Humke, Christel Schmelzer, Petra Barth