Patents Represented by Attorney, Agent or Law Firm Byran Cave LLP
  • Oil in water microemulsion
    Patent number: 6426078
    Abstract: The invention is concerned with a microemulsion of the oil-in water type, containing at least one polyglycerol ester as the emulsifier and at least one lipophilic substance as the internal phase. The emulsifier contains a triglycerol monofatty acid ester and the lipophilic substance is one from the group carotenoids, especially, &bgr;-carotene, vitamins A, D, E and K and their derivatives and polyunsaturated fatty acids.
    Type: Grant
    Filed: February 26, 1998
    Date of Patent: July 30, 2002
    Assignee: Roche Vitamins Inc.
    Inventors: Kurt Bauer, Clarissa Neuber, Axel Schmid, Karl Manfred Völker