Patents by Inventor Paul Donald Jager

Paul Donald Jager 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).

  • Stabilized medicinal aerosol solution formulations
    Patent number: 6045778
    Abstract: Stabilized medicinal aerosol solution formulations comprising medicaments that degrade or decompose by interaction with solvents or water, an HFC propellant, a cosolvent and an acid are described. Further, specific medicinal aerosol solution formulations comprising ipratropium bromide or fenoterol, ethyl alcohol, 1,1,1,2-tetrafluoroethane or 1,1,1,2,3,3,3-heptafluoropropane, and either an inorganic acid or an organic acid are described. The acids are present in amounts sufficient to reduce the degradation of the medicaments to acceptable levels.
    Type: Grant
    Filed: May 3, 1999
    Date of Patent: April 4, 2000
    Assignee: Boehringer Ingelheim Pharmaceuticals, Inc.
    Inventors: Paul Donald Jager, Mark James Kontny, Jurgen Hubert Nagel
  • Stabilized medicinal aerosol solution formulations containing ipratropium bromide
    Patent number: 5955058
    Abstract: Stabilized medicinal aerosol solution formulations comprising medicaments that degrade or decompose by interaction with solvents or water, an HFC propellant, a cosolvent and an acid are described. Further, specific medicinal aerosol solution formulations comprising ipratropium bromide or fenoterol, ethyl alcohol, 1,1,1,2-tetrafluoroethane or 1,1,1,2,3,3,3-heptafluoropropane, and either an inorganic acid or an organic acid are described. The acids are present in amounts sufficient to reduce the degradation of the medicaments to acceptable levels.
    Type: Grant
    Filed: April 14, 1997
    Date of Patent: September 21, 1999
    Assignee: Boehringer Ingelheim Pharmaceuticals, Inc.
    Inventors: Paul Donald Jager, Mark James Kontny, Jurgen Hubert Nagel
  • Stabilized medicinal aerosol solution formulations
    Patent number: 5676930
    Abstract: Stabilized medicinal aerosol solution formulations comprising medicaments that degrade or decompose by interaction with solvents or water, an HFC propellant, a cosolvent and an acid are described. Further, specific medicinal aerosol solution formulations comprising ipratropium bromide or fenoterol, ethyl alcohol, 1,1,1,2-tetrafluoroethane or 1,1,1,2,3,3,3-heptafluoropropane, and either an inorganic acid or an organic acid are described. The acids are present in amounts sufficient to reduce the degradation of the medicaments to acceptable levels.
    Type: Grant
    Filed: June 7, 1995
    Date of Patent: October 14, 1997
    Assignee: Boehringer Ingelheim Pharmaceuticals, Inc.
    Inventors: Paul Donald Jager, Mark James Kontny, Jurgen Hubert Nagel