Patents by Inventor Josepf Hubscher

Josepf Hubscher 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).

  • Dioxolanes
    Patent number: 5283346
    Abstract: Alcohols of the formula ##STR1## wherein R.sup.1 and R.sup.2 are each independently methyl or ethyl or together signify pentamethylene, formed by the enzymatic hydrolysis of a corresponding (RS) alkanoic acid ester are intermediates for Vitamin E.
    Type: Grant
    Filed: December 14, 1992
    Date of Patent: February 1, 1994
    Assignee: Hoffmann-La Roche Inc.
    Inventors: Richard Barner, Josepf Hubscher, Beat Wirz
  • Process for the production of dioxolanes
    Patent number: 5232852
    Abstract: Alcohols of the formula ##STR1## wherein R.sup.1 and R.sup.2 are each independently methyl or ethyl or together signify pentamethylene,formed by the enzymatic hydrolysis of a corresponding (RS) alkanoic acid ester are intermediates for Vitamin E.
    Type: Grant
    Filed: March 13, 1990
    Date of Patent: August 3, 1993
    Assignee: Hoffmann-La Roche Inc.
    Inventors: Richard Barner, Josepf Hubscher, Beat Wirz