Patents by Inventor Gunter Eipper

Gunter Eipper has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 4977190
    Abstract: Riboflavin produced by a microbial method is prepared in the form of free-flowing, non-dusting, spray-dried granules or microgranules as a feed additive by removing water from the mixture discharged from microbial fermentation for the preparation of riboflavin, wherein the mixture is subjected to(a) a fluidized-bed spray-drying process(b) a one-material spray-drying process or(c) a disk spray-drying process without significant amounts of binders being added to the discharged fermentation mixture.
    Type: Grant
    Filed: June 9, 1989
    Date of Patent: December 11, 1990
    Assignee: BASF Aktiengesellschaft
    Inventors: Joachim Meyer, Wolfgang Buehler, Johannes Grimmer, Gunter Eipper, Hans Kiefer, Christoph Martin