Patents by Inventor Uschi Schmid-Grossmann

Uschi Schmid-Grossmann 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).

  • Use of ionic liquids containing tricyanomethide anions as solvents for the extraction of alcohols from aqueous solutions
    Patent number: 8440869
    Abstract: The invention relates to a method for the liquid-liquid extraction of alcohols from aqueous solutions using at least one ionic liquid containing a tricyanomethide anion as solvent.
    Type: Grant
    Filed: May 28, 2009
    Date of Patent: May 14, 2013
    Assignee: Merck Patent GmbH
    Inventors: William-Robert Pitner, Emil Ferdinand Aust, Michael Schulte, Uschi Schmid-Grossmann
  • Anti-dandruff Agents
    Publication number: 20120058057
    Abstract: The present invention relates to special ammonium carboxylates, their synthesis and application, particularly as anti-dandruff agents.
    Type: Application
    Filed: November 8, 2011
    Publication date: March 8, 2012
    Applicant: MERCK PATENT GMBH
    Inventors: William-Robert PITNER, Marlies WATERMANN, Jens EICHHORN, Thomas RUDOLPH, Uschi SCHMID-GROSSMANN
  • Use of ionic liquids containing tricyanomethide anions as solvents for the extraction of alcohols from aqueous solutions
    Publication number: 20110112337
    Abstract: The invention relates to a method for the liquid-liquid extraction of alcohols from aqueous solutions using at least one ionic liquid containing a tricyanomethide anion as solvent.
    Type: Application
    Filed: May 28, 2009
    Publication date: May 12, 2011
    Applicant: MERCK PATENT GESELLSCHAFT
    Inventors: William-Robert Pitner, Emil Ferdinand Aust, Michael Schulte, Uschi Schmid-Grossmann
  • Chromanone derivatives
    Patent number: 6812353
    Abstract: Chromanone derivatives of the formula I in which R1 to R4 are each, independently of one another, H, A, CN, Hal, OR5, COOR5, CF3, OCF3, NO2, Ar, OAr, N(R5)2 or CON(R5)2, R5 is H or A, A is alkyl having 1 to 6 carbon atoms, Ar is phenyl which is unsubstituted or substituted by A, OR5, CN, Hal, CF3, OCF3, NO2 or N(R5)2, Hal is F, Cl, Br or I, and their salts, are suitable as intermediates in the synthesis of medicaments.
    Type: Grant
    Filed: July 29, 2003
    Date of Patent: November 2, 2004
    Assignee: Merck Patent Gesellschaft mit beschränkter Haftung
    Inventors: Heinz-Hermann Bokel, Christoph Muermann, Uschi Schmid-Grossmann