Patents Assigned to Inexa, Industria Extractora C.A.
  • Trans-xanthophyll ester concentrates of enhanced purity and methods of making same
    Patent number: 6191293
    Abstract: Trans-xanthophyll ester concentrates having a trans-xanthophyll ester content of at least four times greater and preferably at least nine times greater than the cis-xanthophyll ester content are obtained. Xanthophyll ester concentrates having a total xanthophyll ester content of at least 40 wt. % and preferably greater than about 55 wt. % are also obtained.
    Type: Grant
    Filed: January 12, 1999
    Date of Patent: February 20, 2001
    Assignee: Inexa, Industria Extractora C.A.
    Inventor: Luis W. Levy