Patents by Inventor Ralf Schomber

Ralf Schomber 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).

  • Recording liquids
    Publication number: 20070157849
    Abstract: Aqueous recording fluids comprise (a) at least one colorant which is not completely polymer enveloped, (b) at least two wetting agents selected from alkoxylated alcohols, alkoxylated acetylene alcohols, alkoxylated or nonalkoxylated acetylenediols, alkylpolyglucosides, sugar ester alkoxylates, fluorosurfactants, anionic surfactants and cationic surfactants.
    Type: Application
    Filed: February 19, 2005
    Publication date: July 12, 2007
    Applicant: BASF Akiengesellschaft
    Inventors: Michael Kluge, Ulrike Hees, Dieter Freyberg, Ralf Schomber, Clarissa Seidl