Patents by Inventor Jane Margretha Lena van der Werf-Pieters

Jane Margretha Lena van der Werf-Pieters 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).

  • C-11 substituted steroids for treating menopausal complaints
    Patent number: 6258803
    Abstract: A C-11 substituted steroid and a method of use of a C-11 substituted steroid to provide an estrogenic effect to a human or animal.
    Type: Grant
    Filed: October 25, 1999
    Date of Patent: July 10, 2001
    Assignee: Akzo Nobel N.V.
    Inventors: Hubert Jan Jozef Loozen, Lodewijk Pieter Cornelis Schot, Jane Margretha Lena van der Werf-Pieters
  • C-11 substituted steroids for treating menopausal complaints
    Patent number: 6037339
    Abstract: A C-11 substituted steroid and a method of use of a C-11 substituted steroid to treat osteoporosis.
    Type: Grant
    Filed: January 16, 1998
    Date of Patent: March 14, 2000
    Assignee: Akzo Nobel N.V.
    Inventors: Hubert Jan Jozef Loozen, Lodewijk Pieter Cornelis Schot, Jane Margretha Lena van der Werf-Pieters
  • C-11 substituted steroids for treating menopausal complaints
    Patent number: 5710144
    Abstract: A C-11 substituted steroid and a method of use of a C-11 substituted steroid to treat osteoporosis.
    Type: Grant
    Filed: January 29, 1997
    Date of Patent: January 20, 1998
    Assignee: Akzo Nobel N.V.
    Inventors: Hubert Jan Jozef Loozen, Lodewijk Pieter Cornelis Schot, Jane Margretha Lena van der Werf-Pieters