Patents by Inventor David Semin

David Semin 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).

  • Calcium receptor modulating agents
    Patent number: 7176322
    Abstract: The compounds of the invention are represented by the following general structure or a pharmaceutically acceptable salt thereof, and compositions containing them, wherein the variables are defined herein, and their use to reduce or inhibit PTH secretion, including methods for reducing or inhibiting PTH secretion and methods for treatment or prophylaxis of diseases associated with bone disorders, such as osteoporosis, or associated with excessive secretion of PTH, such as hyperparathyroidism. The subject invention also relates to processes for making such compounds as well as to intermediates useful in such processes.
    Type: Grant
    Filed: May 22, 2003
    Date of Patent: February 13, 2007
    Assignee: Amgen Inc.
    Inventors: Michael G. Kelly, Shimin Xu, Ning Xi, Robert Townsend, David Semin, Chiara Ghiron, Thomas Coulter
  • Calcium receptor modulating agents
    Publication number: 20040077619
    Abstract: The compounds of the invention are represented by the following general structure 1
    Type: Application
    Filed: May 22, 2003
    Publication date: April 22, 2004
    Inventors: Michael G. Kelly, Shimin Xu, Ning Xi, Robert Townsend, David Semin, Chiara Ghiron, Thomas Coulter