Patents by Inventor Ulrike Rudolf

Ulrike Rudolf 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).

  • Aqueous suspensions of peroxycarboxylic acids
    Patent number: 5391324
    Abstract: Storage-stable aqueous suspensions of organic peracids containing 1 to 50% by weight of a surfactant mixture composed of 1 to 4 parts by weight of a C.sub.8 -C.sub.22 -fatty alcohol, ethoxylated with 1 to 5 units of ethylene oxide, and 4 to 1 parts by weight of a C.sub.8 -C.sub.22 -fatty alcohol, ethoxylated with 6 to 25 units of ethylene oxide, and, if appropriate, additionally other customary components.By using two different surfactants, it is possible to set very different viscosity values in these suspensions, from low viscosity to pasty formulations.
    Type: Grant
    Filed: January 31, 1992
    Date of Patent: February 21, 1995
    Assignee: Hoechst Aktiengesellschaft
    Inventors: Gerd Reinhardt, Vera Friderichs, Ulrike Rudolf