Patents by Inventor Niels Smidt Rastrup Andersen

Niels Smidt Rastrup Andersen 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).

  • Crystalline form of a vitamin D analogue
    Patent number: 5763426
    Abstract: The present invention relates to calcipotriol hydrate--a new crystalline form of calcipotriol--with superior technical properties and with superior stability.
    Type: Grant
    Filed: July 14, 1995
    Date of Patent: June 9, 1998
    Assignee: Leo Pharmaceutical Products Ltd.
    Inventors: Erik Torngaard Hansen, Niels Smidt Rastrup Andersen, Lene Hoffmeyer Ringborg
  • Crystalline form of a vitamin D analogue
    Patent number: RE39706
    Abstract: The present invention relates to calcipotriol hydrate—a new crystalline form of calcipotriol—with superior technical properties and with superior stability.
    Type: Grant
    Filed: January 15, 1993
    Date of Patent: June 26, 2007
    Assignee: Leo Pharma A/S
    Inventors: Erik Torngaard Hansen, Niels Smidt Rastrup Andersen, Lene Hoffmeyer Ringborg