Patents Examined by Daian G. Rivers
  • Process for the preparation of ortho-(hydrocarbylthio)-phenols
    Patent number: RE31771
    Abstract: Disclosed is a process for the preparation of .[.otho.]..Iadd.ortho.Iaddend.-hydrocarbylthio)-phenols, having at least one hydrogen on a carbon atom ortho to a hydroxy group, with hydrocarbyl disulfides in the presence of catalytic amounts of aluminum phenoxide.
    Type: Grant
    Filed: September 30, 1982
    Date of Patent: December 18, 1984
    Assignee: Ethyl Corporation
    Inventors: Bonnie G. McKinnie, Paul F. Ranken