Patents by Inventor Jurgen Spona

Jurgen 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).

  • Patent number: 5980940
    Abstract: The invention provides a pharmaceutical combination preparation with two hormone components in a packaging unit and intended for time-sequential oral administration, comprising a number of daily dosage units physically separate and individually removable in the packaging unit, whereby as a hormonal active ingredient a first hormone component contains in combination an estrogen preparation and in at least a dosage that is sufficient to inhibit ovulation a gestagen preparation, and as a hormonal active ingredient the second hormone component contains only an estrogen preparation, whereby the first hormone component comprises 23 or 24 daily units and the second hormone component comprises 4, 3 or 2 daily units, and between these two hormone components, 2 or 1 active ingredient-free daily units are present or 2 or 1 blank pill days are indicated, and the total number of hormone daily units and the active ingredient-free daily units or the blank pill days is equal to the total number of days of the desired cycle,
    Type: Grant
    Filed: January 27, 1998
    Date of Patent: November 9, 1999
    Assignee: Schering AG
    Inventors: Jurgen Spona, Bernd Dusterberg
  • Patent number: 5824667
    Abstract: A combination product for oral contraception is disclosed comprising an estrogen selected from2.0 to 6.0 mg of 17.beta.-estradiol and0.020 mg of ethinylestradiol;and a gestagen selected from0.25 to 0.30 mg of drospirenone and0.1 to 0.2 mg of cyproterone acetate,followed by 5 or 4 pill-free or sugar pill days.
    Type: Grant
    Filed: October 31, 1996
    Date of Patent: October 20, 1998
    Assignee: Schering Aktiengesellschaft
    Inventors: Jurgen Spona, Bernd Dusterberg, Frank Ludicke
  • Patent number: 5756490
    Abstract: A pharmaceutical combination preparation with two hormone components that are manufactured physically separately in a packaging unit and that are intended for time-sequential oral administration, which in each case consist of a number of daily dosage units that are placed physically separately and are individually removable in the packaging unit. As a hormonal active ingredient, a first hormone component contains in combination an estrogen preparation and, in at least a dosage that is sufficient to inhibit ovulation, a gestagen preparation, and as a hormonal active ingredient the second hormone component contains only an estrogen preparation. The first hormone component comprises 23 or 24 daily units and the second hormone component comprises 4 to 10 daily units. The total number of hormone daily units is equal to the total number of days of the desired cycle, but at least 28 days in length.
    Type: Grant
    Filed: December 16, 1996
    Date of Patent: May 26, 1998
    Assignee: Schering Aktiengesellschaft
    Inventors: Ursula Lachnit, Bernd Dusterberg, Jurgen Spona
  • Patent number: 3987159
    Abstract: Stable preparations of sensitized erythrocytes are provided by simultaneously admixing washed erythrocytes in a buffered aqueous solution of glutaraldehyde, antigen or antigen-protein conjugate and formaldehyde. After washing, the separated sensitized erythrocytes can be lyophilized and thereby become stable at room temperature.
    Type: Grant
    Filed: March 1, 1974
    Date of Patent: October 19, 1976
    Assignee: Schering Aktiengesellschaft
    Inventors: Jurgen Spona, Michael Topert
  • 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
  • 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
  • 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
  • Patent number: RE43916
    Abstract: A combination product for oral contraception is disclosed comprising an estrogen selected from 2.0 to 6.0 mg of 17?-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: March 24, 2006
    Date of Patent: January 8, 2013
    Assignee: Bayer Schering Pharma Aktiengesellschaft
    Inventors: Jurgen Spona, Bernd Dusterberg, Frank Ludicke
  • Patent number: RE44159
    Abstract: A combination product for oral contraception is disclosed comprising an estrogen selected from 2.0 to 6.0 mg of 17?-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: August 28, 2007
    Date of Patent: April 16, 2013
    Assignee: Bayer Schering Pharma Aktiengesellschaft
    Inventors: Jurgen Spona, Bernd Dusterberg, Frank Ludicke