Patents Examined by Wm. Parker
  • Recovery of crude tall oil
    Patent number: 4075188
    Abstract: There is disclosed a process for the recovery of fatty acids and rosin acids from tall oil soap by acidification of crude soap with carbon dioxide in the presence of a water-immiscible solvent.
    Type: Grant
    Filed: February 2, 1976
    Date of Patent: February 21, 1978
    Assignee: Westvaco Corporation
    Inventor: William G. Vardell, Jr.