Patents by Inventor Ralf Loos

Ralf Loos 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).

  • Synthesis of 1A-Fluoro-25-Hydroxy-16-23E-Diene-26,27-Bishomo-20-Epi-Cholecalciferol
    Publication number: 20090137828
    Abstract: The invention provides a method of producing 20-methyl vitamin D3 compounds of formula (I). The method includes allylic and olefin oxidation, de-carbonylation, carbonyl reduction, fluoride substitution, epoxide deoxygenation, and Wittig-type couplings.
    Type: Application
    Filed: August 18, 2006
    Publication date: May 28, 2009
    Applicant: BIOXELL S.P.A.
    Inventors: Milan R. Uskokovic, Stanislaw Marczak, Ralf Loo, Marcel Van Der Sluis, Pawel Jankowski, Hubert Maehr
  • Dispenser
    Patent number: 5713489
    Abstract: An apparatus for dispensing rod-like members that are stored in a parallelepipedal housing. The housing includes a base for carrying the rod-like members, with the base being movable against the force of one or more return springs. The base has a narrow side that extends at least partially through a discharge opening of the housing.
    Type: Grant
    Filed: December 29, 1995
    Date of Patent: February 3, 1998
    Assignee: ROEKO GmbH & Co. Dentalerzeugnisse
    Inventor: Ralf Loos