Patents by Inventor Robert A. Ellison

Robert A. Ellison 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).

  • Derivative of T-2 toxin and anguidine
    Patent number: 4129577
    Abstract: 3-ACYL AND 3-ALKYL TRICHOTHECENE DERIVATIVES HAVING THE GENERAL FORMULA ##STR1## in which R.sub.1 is hydrogen or ##STR2## and R is an acyl group ##STR3## in which R' is a branched or straight-chained aliphatic, cycloaliphatic or aromatic group having from 2 to 12 carbon atoms or a carbamate group ##STR4## in which R' has the same meaning as above or an alkyl group, either branched or straight-chained, or an aromatic group having from 1 to 12 carbon atoms.
    Type: Grant
    Filed: August 19, 1977
    Date of Patent: December 12, 1978
    Assignee: Wisconsin Alumni Research Foundation
    Inventors: Robert A. Ellison, Frank N. Kotsonis
  • Writing utensil
    Patent number: D423580
    Type: Grant
    Filed: April 5, 1999
    Date of Patent: April 25, 2000
    Inventor: Robert A. Ellison