Patents Assigned to Beta Pharmaceuticals Co.
  • Patent number: 5705185
    Abstract: The present invention relates to a transdermal delivery device for estradiol where the metabolic degradation of estradiol to estrone during permeation is inhibited by another substance in the transdermal delivery device. The transdermal device also includes a compound for enhancing the rate of estradiol permeation. The transdermal delivery device containing the inhibitor and enhancer can also be used to simultaneously deliver both estradiol and a progestin at therapeutic rates.
    Type: Grant
    Filed: January 11, 1996
    Date of Patent: January 6, 1998
    Assignee: Beta Pharmaceuticals Co.
    Inventors: Francisco Jose Evaristo Stefano, Jose Adrian Nowogrodski, Dario Norberto Ramon Carrara
  • Patent number: 5518734
    Abstract: The present invention relates to a transdermal delivery device for estradiol where the metabolic degradation of estradiol to estrone during permeation is inhibited by another substance in the transdermal delivery device. The transdermal device also includes a compound for enhancing the rate of estradiol permeation. The transdermal delivery device containing the inhibitor and enhancer can also be used to simultaneously deliver both estradiol and a progestin at therapeutic rates.
    Type: Grant
    Filed: March 2, 1993
    Date of Patent: May 21, 1996
    Assignee: Beta Pharmaceuticals Co.
    Inventors: Francisco J. Stefano, Jose A. Nowogrodski, Dario N. Carrara