Patents by Inventor Rainer Weitzel

Rainer Weitzel 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).

  • Propellant-free aerosol formulation for inhalation
    Patent number: 9238031
    Abstract: The present invention relates to propellant-free aerosol formulations for inhalation containing ipratropium bromide and salbutamol.
    Type: Grant
    Filed: November 22, 2013
    Date of Patent: January 19, 2016
    Assignee: Boehringer Ingelheim International GmbH
    Inventors: Christel Schmelzer, Franz-Rainer Weitzel
  • PROPELLANT-FREE AEROSOL FORMULATION FOR INHALATION
    Publication number: 20150306087
    Abstract: The present invention relates to propellant-free aerosol formulations for inhalation containing ipratropium bromide and salbutamol.
    Type: Application
    Filed: July 9, 2015
    Publication date: October 29, 2015
    Inventors: Christel SCHMELZER, Rainer WEITZEL
  • AEROSOL FORMULATION FOR THE INHALATION OF BETA AGONISTS
    Publication number: 20120058980
    Abstract: The present invention relates to a propellant-free aerosol formulation which contains one or more compounds of general formula 1, wherein the groups R1, R2, R3 and X? may have the meanings indicated in the claims and in the specification, and two further active substances 2 and 3, for inhalation.
    Type: Application
    Filed: November 11, 2011
    Publication date: March 8, 2012
    Applicant: BOEHRINGER INGELHEIM INTERNATIONAL GMBH
    Inventors: Kirsten RADAU, Michael AVEN, Rainer WEITZEL
  • AEROSOL FORMULATION
    Publication number: 20100144784
    Abstract: The present invention relates to propellant-free aerosol formulations for inhalation containing ipratropium bromide and salbutamol.
    Type: Application
    Filed: May 9, 2007
    Publication date: June 10, 2010
    Applicant: BOEHRINGER INGELHEIM INTERNATIONAL GMBH
    Inventors: Christel Schmelzer, Rainer Weitzel
  • PROPELLANT-FREE AEROSOL FORMULATION FOR INHALATION
    Publication number: 20100056559
    Abstract: The present invention relates to propellant-free aerosol formulations for inhalation containing ipratropium bromide and salbutamol.
    Type: Application
    Filed: May 9, 2007
    Publication date: March 4, 2010
    Applicant: BOEHRINGER INGELHEIM INTERNATIONAL GMBH
    Inventors: Christel Schmelzer, Rainer Weitzel
  • AEROSOL FORMULATION FOR THE INHALATION OF BETA AGONISTS
    Publication number: 20080041370
    Abstract: The present invention relates to a propellant-free aerosol formulation which contains one or more compounds of general formula 1, wherein the groups R1, R2, R3 and X? may have the meanings indicated in the claims and in the specification, and one other active substance 2, for inhalation.
    Type: Application
    Filed: August 16, 2007
    Publication date: February 21, 2008
    Inventors: Kirsten RADAU, Michael AVEN, Rainer WEITZEL
  • AEROSOL FORMULATION FOR THE INHALATION OF BETA AGONISTS
    Publication number: 20080041369
    Abstract: The present invention relates to a propellant-free aerosol formulation which contains one or more compounds of general formula 1, wherein the groups R1, R2, R3 and X? may have the meanings indicated in the claims and in the specification, and two further active substances 2 and 3, for inhalation.
    Type: Application
    Filed: August 16, 2007
    Publication date: February 21, 2008
    Inventors: Kirsten RADAU, Michael Aven, Rainer Weitzel