Patents by Inventor Karen Y. Johnson

Karen Y. Johnson 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).

  • Certain bicycloalkane and azabicycloalkane-1,1-diphosphonic acid derivatives useful for treating diseases associated with abnormal calcium and phosphate metabolism
    Patent number: 5104863
    Abstract: This invention relates to pyrindine-diphosphonic acid derivatives which are useful in treating or preventing diseases characterized by abnormal calcium and phosphate matabolism, in particular those which are characterized by abnormal bone metabolism. This invention further relates to pharmaceutical compositions which contain the novel compounds of the present invention, and to a method of treating or preventing diseases characterized by abnormal calcium and phosphate metabolism utilizing a compound of the present invention.
    Type: Grant
    Filed: July 3, 1990
    Date of Patent: April 14, 1992
    Assignees: The Procter & Gamble Company, The Procter & Gamble Company
    Inventors: James J. Benedict, Karen Y. Johnson, James J. Benedict, Karen Y. Johnson
  • Certain cycloalkane-1,1-diphosphonic acids and derivatives thereof having the ability to treat diseases associated with abnormal calcium and phosphate metabolism
    Patent number: 4939131
    Abstract: Novel cyclic geminal-diphosphonic acid compounds, and pharmaceutical compositions containing these compounds, which are useful for treating diseases characterized by abnormal calcium and phosphate metabolism; and a method of treating diseases characterized by abnormal calcium and phosphate metabolism utilizing these novel cyclic diphosphonic acid compounds.
    Type: Grant
    Filed: August 14, 1987
    Date of Patent: July 3, 1990
    Assignee: The Procter & Gamble Company
    Inventors: James J. Benedict, Karen Y. Johnson
  • Certain hexahydroindan-2,2-diphosphonic acids useful in treating diseases associated with abnormal calcium and phosphate metabolism
    Patent number: 4687768
    Abstract: Novel cyclic geminal-diphosphonic acid compounds, and pharmaceutical compositions containing these compounds, which are useful for treating diseases characterized by abnormal calcium and phosphate metabolism; and a method of treating diseases characterized by abnormal calcium and phosphate metabolism utilizing these noval cyclic diphosphonic acid compounds.
    Type: Grant
    Filed: December 21, 1984
    Date of Patent: August 18, 1987
    Assignee: The Procter & Gamble Company
    Inventors: James J. Benedict, Karen Y. Johnson