Patents Assigned to Zenitech LLC
  • Guerbet wax esters in personal care applications
    Patent number: 6630134
    Abstract: The present invention relates to the cosmetic use of certain reconstituted wax esters, prepared by the reaction of a guerbet alcohol and a natural high molecular wax ester selected from the group consisting of beeswax, candelillia, and carnauba wax. These materials are useful in making waxes with specific melting points and degrees of hardness for personal care applications like lipsticks, and a variety of other applications personal care formulations. The waxes provide conditioning effects when applied to the hair and skin.
    Type: Grant
    Filed: January 8, 2002
    Date of Patent: October 7, 2003
    Assignee: Zenitech LLC
    Inventor: Kenneth Klein
  • Polymeric castor polyester quaternary compounds
    Patent number: 6521220
    Abstract: The present invention deals with the certain castor polyesters that give high gloss when applied to the skin. Said ester are the reaction of the hydroxyl group of castor oil with less than one equivalent of a fatty acid then in a subsequently step the remainder of an equivalent of a diacid.
    Type: Grant
    Filed: May 7, 2001
    Date of Patent: February 18, 2003
    Assignee: Zenitech LLC
    Inventor: Anthony J. O'Lenick, Jr.
  • Polymeric castor polyesters
    Patent number: 6342527
    Abstract: The present invention deals with the certain castor polyesters which give high gloss when applied to the skin. The ester are the reaction of the hydroxyl group of castor oil with less than one equivalent of a fatty acid then in a subsequently step the remainder of an equivalent of a diacid.
    Type: Grant
    Filed: May 11, 2001
    Date of Patent: January 29, 2002
    Assignee: Zenitech LLC
    Inventors: Anthony J. O'Lenick, Jr., Carter LaVay