Patents Assigned to Hanson Co.
  • Guerbet castor esters
    Patent number: 5786389
    Abstract: The present invention deals with the certain castor esters which give high gloss when applied to the skin. Said esterd are the reaction of a guerbet alcohol and castor oil, ricinoleic acid or methyl ricinoleate.
    Type: Grant
    Filed: December 28, 1997
    Date of Patent: July 28, 1998
    Assignees: Lambert Technologies Inc., Hanson Co.
    Inventors: Anthony J. O'Lenick, Jr., Jeffrey K. Parkinson