Patents Represented by Attorney Jonathan Schuchardt
  • Patent number: 5364973
    Abstract: A productive process for making conventional and low-unsaturation polyether polyols is disclosed. The process involves continuous removal of allyl alcohol and lower allyl alcohol propoxylates from the polyol during manufacture. The process can be performed at high temperatures and/or low catalyst concentrations. Polyether polyols with exceptionally low monol contents can be prepared.
    Type: Grant
    Filed: May 6, 1993
    Date of Patent: November 15, 1994
    Assignee: Arco Chemical Technology
    Inventor: Jose F. Pazos