Patents by Inventor Jaroslav C. Balas

Jaroslav C. Balas 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).

  • Catalyst passivation process
    Patent number: 4567251
    Abstract: The present invention involves a method of treating solutions of hydrogenated conjugated diene polymers contaminated with residues of nickel hydrogenation catalysts, wherein the solutions are first oxidized and then contacted with a ligand which readily forms a stable nickel compound.
    Type: Grant
    Filed: February 8, 1984
    Date of Patent: January 28, 1986
    Assignee: Shell Oil Company
    Inventor: Jaroslav C. Balas