Patents by Inventor Rolf Oelm{umlaut over (u)}ller

Rolf Oelm{umlaut over (u)}ller 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).

  • Active-substance concentrate
    Patent number: 6177124
    Abstract: Active-substance concentrate that is a free-flowing powder with a content of active substance amounting to 85 to 98 wt.-%, 3 to 7 wt.-% hydrophobic silicon-dioxide variant and maximally 0.5 wt.-% water is prepared by a suspension being produced from the aqueous active-substance solution and the hydrophobic silicon-dioxide variant and by this suspension subsequently being spray-dried. The active-substance concentrate may be employed as a feed supplement in premixes and mixed feeds.
    Type: Grant
    Filed: June 3, 1999
    Date of Patent: January 23, 2001
    Assignee: Degussa- H{umlaut over (u)}ls Aktiengesellschaft
    Inventors: Brigitte Grinschgl, Rolf Oelm{umlaut over (u)}ller