Patents by Inventor Thomas Albert Narwid

Thomas Albert Narwid 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).

  • Process for the preparation of 1.alpha.,25-dihydroxycholecalciferol
    Patent number: 3993675
    Abstract: A novel process for the preparation of 1.alpha.,25-dihydroxycholecalciferol and intermediates thereof is disclosed.
    Type: Grant
    Filed: February 24, 1975
    Date of Patent: November 23, 1976
    Assignee: Hoffmann-La Roche Inc.
    Inventors: Milan Radoje Uskokovic, Thomas Albert Narwid, Jerome Anthony Iacobelli, Enrico Baggiolini