Patents by Inventor Jürgen Spona

Jürgen Spona 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).

  • Composition for contraception
    Patent number: RE37564
    Abstract: A combination product for oral contraception is disclosed comprising an estrogen selected from 2.0 to 6.0 mg of 17&bgr;-estradiol and 0.020 mg of ethinylestradiol; and a gestagen selected from 0.25 to 0.30 2.5 to 3.0 mg of drospirenone and 0.1 to 0.2 1 to 2 mg of cyproterone acetate, followed by 5 or 4 pill-free or sugar pill days.
    Type: Grant
    Filed: February 15, 2000
    Date of Patent: February 26, 2002
    Assignee: Schering Aktiengesellschaft
    Inventors: Jürgen Spona, Bernd Düsterberg, Frank Lüdicke
  • Composition for contraception
    Patent number: RE37838
    Abstract: A combination product for oral contraception is disclosed comprising an estrogen selected from 2.0 to 6.0 mg of 17&bgr;-estradiol and 0.020 mg of ethinylestradiol; and a gestagen selected from 0.25 to 0.30 mg of drospirenone and 0.1 to 0.2 mg of cyproterone acetate, followed by 5 or 4 pill-free or sugar pill days.
    Type: Grant
    Filed: February 15, 2000
    Date of Patent: September 10, 2002
    Assignee: Schering Aktiengesellschaft
    Inventors: Jürgen Spona, Bernd Düsterberg, Frank Lüdicke
  • Composition for contraception
    Patent number: RE38253
    Abstract: A combination product for oral contraception is disclosed comprising an estrogen selected from 2.0 to 6.0 mg of 17&bgr;-estradiol and 0.020 mg of ethinylestradiol; and a gestagen selected from 0.25 to 0.30 2.5 to 3.0 mg of drospirenone and 0.1 to 0.2 1 to 2 mg of cyproterone acetate, followed by 5 or 4 pill-free or sugar pill days.
    Type: Grant
    Filed: February 25, 2002
    Date of Patent: September 16, 2003
    Assignee: Schering Aktiengesellschaft
    Inventors: Jürgen Spona, Bernd Düsterberg, Frank Lüdicke