Patents by Inventor Felicitas Leonie Sperling

Felicitas Leonie Sperling 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).

  • Colour-stable superabsorbent
    Publication number: 20170266336
    Abstract: Superabsorbents comprising at least one compound of formula (I) or salt thereof, where R1 and R2 independently are H, organic or functional substituents, exhibit improved stability against discolouration.
    Type: Application
    Filed: March 10, 2017
    Publication date: September 21, 2017
    Applicant: BASF SE
    Inventors: Matthew Gande, Kristine Hartnagel, Katarzyna Dobrosielska-Oura, Felicitas Leonie Sperling