Patents by Inventor Barry B. Snider

Barry B. Snider 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).

  • Steroid conversion method and products produced thereby
    Patent number: 4252719
    Abstract: Method for the removal of selected tertiary hydrogen atoms from 5 .alpha.-steroids of the cholestane, androstane and pregnane series by chlorination of 5 .alpha.-steroids esterified with selected iodoaryl substituted esterifying agents which direct a chlorine atom from the chlorinating agent into reactive proximity to the hydrogen atom to be removed.
    Type: Grant
    Filed: August 17, 1978
    Date of Patent: February 24, 1981
    Assignee: Research Corporation
    Inventors: Ronald C. D. Breslow, Richard J. Corcoran, Barry B. Snider