Patents by Inventor Roland Wenger

Roland Wenger 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).

  • Method for the total synthesis of cyclosporins, novel cyclosporins and novel intermediates and methods for their production
    Patent number: 4396542
    Abstract: A method for the total synthesis of cyclosporins, in particular Cyclosporin A, cyclosporins produced in accordance with the method of the invention and novel intermediates, in particular novel [1S, 2R, 3R]- and [1R, 2S, 3S]-1-nitrilo-1-carbonyl-3-methyl-2-oxy-heptanes and -hept-5-enes, employed in the method of the invention.
    Type: Grant
    Filed: September 3, 1981
    Date of Patent: August 2, 1983
    Assignee: Sandoz Ltd.
    Inventor: Roland Wenger
  • Prostanoic ergolin-8-yl esters, thioesters, and amides
    Patent number: 4249001
    Abstract: Prostanoic acid ergolinylalkyl-esters, -thioesters and -amides have interesting prostaglandin-like activity, especially blood pressure lowering activity.
    Type: Grant
    Filed: July 9, 1979
    Date of Patent: February 3, 1981
    Assignee: Sandoz Ltd.
    Inventor: Roland Wenger