Patents by Inventor Margarete Mueller

Margarete Mueller 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).

  • Particles having a functional multilayered structure
    Patent number: 7745003
    Abstract: The present invention relates to particles having a functional multilayered structure based on substrates, characterized in that the substrates are coated with one or more layers of one or more polymers and one or more layers of one or more silanes, process for the production thereof, and the use thereof.
    Type: Grant
    Filed: January 15, 2005
    Date of Patent: June 29, 2010
    Assignee: Merck Patent GmbH
    Inventors: Alfred Hennemann, Marc Entenmann, Margarete Müller, Renate Bonn-Walter, Adalbert Huber, Ulrich Schoenefeld
  • Fine particle hard molded bodies for abrasion-resistant polymer matrices
    Publication number: 20070078213
    Abstract: The invention relates to fine particle hard molded bodies which provide increased abrasion resistance when embedded in polymer matrices. Said fine particle hard molded bodies comprise materials which have a hardness of ?7 on Mohs' scale of hardness and form the molded body or are provided directly on a fine particle substrate in the form of one or several layers. Also disclosed are a method for producing the molded bodies and the use thereof in polymer matrices.
    Type: Application
    Filed: October 14, 2004
    Publication date: April 5, 2007
    Inventors: Margarete Mueller, Renate Bonn-Walter, Michael Roesler, Alfred Hennemann, Marc Entenmann
  • Binder for paper-coating compositions
    Patent number: 4298513
    Abstract: A low-odor aqueous binder dispersion containing as copolymerized units, and based on solids content,(a) from 25 to 57.5% by weight of butadiene or of butadiene and an acrylic acid ester, the content of copolymerized butadiene being not less than 15% by weight,(b) from 40 to 70% by weight of styrene,(c) from 1 to 5% by weight of maleic acid or maleic anhydride and(d) from 1.5 to 7% by weight of methacrylamide, for use in paper-coating compositions.
    Type: Grant
    Filed: September 15, 1980
    Date of Patent: November 3, 1981
    Assignee: BASF Aktiengesellschaft
    Inventors: Dieter Distler, Margarete Mueller, Hans-Georg Bubam, Guenther Addicks