Patents by Inventor Robert P. Esvelt

Robert P. Esvelt 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).

  • Processes for preparing calcitroic acid and esters thereof
    Patent number: 4260804
    Abstract: A method for chemically synthesizing calcitrioic acid and esters thereof. Calcitroic acid displays antirachitic (vitamin D-like) activity.
    Type: Grant
    Filed: February 20, 1980
    Date of Patent: April 7, 1981
    Assignee: Wisconsin Alumni Research Foundation
    Inventors: Hector F. DeLuca, Heinrich K. Schnoes, Robert P. Esvelt
  • 1.alpha.-Hydroxycalcioic acid and esters thereof
    Patent number: 4209634
    Abstract: 1.alpha.-hydroxycalcioic acid. The compound displays antirachitic (vitamin D-like) activity and would find application in disease states characterized by adverse calcium-phosphorous balance or behavior.
    Type: Grant
    Filed: December 29, 1978
    Date of Patent: June 24, 1980
    Assignee: Wisconsin Alumni Research Foundation
    Inventors: Hector F. DeLuca, Heinrich K. Schnoes, Robert P. Esvelt