Patents by Inventor Stefan Stadtmueller

Stefan Stadtmueller 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).

  • Patent number: 9620257
    Abstract: Polymer compositions which are antistatic or have been made conductive and the production thereof.
    Type: Grant
    Filed: November 2, 2011
    Date of Patent: April 11, 2017
    Assignee: Evonik Degussa GmbH
    Inventors: Kathrin Lehmann, Stefan Stadtmueller, Peter Schwab
  • Publication number: 20150047482
    Abstract: The present invention relates to a rotating cutting blade, which cuts a plurality of food slices from a bar of food, wherein the cutting blade is provided on a blade holder. The present invention further relates to a slicing device having the cutting blade according to the invention, a method for slicing a bar of food, wherein a rotating cutting blade cuts a plurality of food slices from a bar of food, and a method for slicing a bar of food, wherein a rotating cutting blade, which is arranged on a blade holder, cuts a plurality of food slices from a bar of food and an interleaver is arranged between two food slices.
    Type: Application
    Filed: March 14, 2013
    Publication date: February 19, 2015
    Inventors: Stefan Stadtmüller, Alexander May
  • Publication number: 20130214211
    Abstract: Polymer compositions which are antistatic or have been made conductive and the production thereof.
    Type: Application
    Filed: November 2, 2011
    Publication date: August 22, 2013
    Applicant: Evonik Goldschmidt GmbH
    Inventors: Kathrin Lehmann, Stefan Stadtmueller, Peter Schwab
  • Patent number: 7931747
    Abstract: The present invention relates to cement-containing compositions which are characterized in that they have a proportion of organosilicon compounds of greater than 0.15% by weight, based on the proportion of cement, the organosilicon compounds being based on at least one organosilicon compound selected from the group consisting of the alkoxysilanes and at least one selected from the group consisting of the alkoxysiloxanes, to a process for the preparation thereof and to the use thereof.
    Type: Grant
    Filed: December 18, 2009
    Date of Patent: April 26, 2011
    Assignee: Evonik Goldschmidt GmbH
    Inventors: Bernd Weyershausen, Stefan Stadtmueller, Markus Roos, Frank Koenig
  • Publication number: 20100154682
    Abstract: The present invention relates to cement-containing compositions which are characterized in that they have a proportion of organosilicon compounds of greater than 0.15% by weight, based on the proportion of cement, the organosilicon compounds being based on at least one organosilicon compound selected from the group consisting of the alkoxysilanes and at least one selected from the group consisting of the alkoxysiloxanes, to a process for the preparation thereof and to the use thereof.
    Type: Application
    Filed: December 18, 2009
    Publication date: June 24, 2010
    Applicant: EVONIK GOLDSCHMIDT GMBH
    Inventors: Bernd Weyershausen, Stefan Stadtmueller, Markus Roos, Frank Koenig
  • Patent number: 7105233
    Abstract: The invention provides for the use of organomodified polysiloxanes of the general formula (I) in which R1 independently at each occurrence is an aliphatic or aromatic C1-20 hydrocarbon radical, R2, R2* independently of one another are R1 or are aliphatic, saturated or unsaturated C1-60 hydrocarbon radicals, optionally containing functional groups, a=1 to 500, preferably <100, in particular 5 to 50, b=0 to 50, preferably <20, in particular <10, c=0 to 50, preferably 0 to 10, in particular 0 as additives for surface enhancement in polyolefins.
    Type: Grant
    Filed: August 3, 2004
    Date of Patent: September 12, 2006
    Assignee: Goldschmidt GmbH
    Inventors: Nina Bechthold, Manfred Scheiba, Stefan Stadtmüller, Markus Weimann
  • Patent number: 7026499
    Abstract: The invention relates to linear carboxy-functional organosiloxane compounds of the general formula (I) in which a is from 1 to 200, R1 are identical or different aliphatic or aromatic hydrocarbon radicals and R2 is —(Y)[O(C2H4-b(R3)bO)c(CdH2dO)e]fX, and the use thereof for the treatment of the surface of leather.
    Type: Grant
    Filed: February 2, 2004
    Date of Patent: April 11, 2006
    Assignee: Goldschmidt GmbH
    Inventors: Heike Buskies, Manfred Krakenberg, Sascha Oestreich, Stefan Stadtmüller
  • Publication number: 20050032951
    Abstract: The invention provides for the use of organomodified polysiloxanes of the general formula (I) in which R1 independently at each occurrence is an aliphatic or aromatic C1-20 hydrocarbon radical, R2, R2* independently of one another are R1 or are aliphatic, saturated or unsaturated C1-60 hydrocarbon radicals, optionally containing functional groups, a=1 to 500, preferably <100, in particular 5 to 50, b=0 to 50, preferably <20, in particular <10, c=0 to 50, preferably 0 to 10, in particular 0 as additives for surface enhancement in polyolefins.
    Type: Application
    Filed: August 3, 2004
    Publication date: February 10, 2005
    Inventors: Nina Bechthold, Manfred Scheiba, Stefan Stadtmueller, Markus Weimann
  • Patent number: 6743835
    Abstract: The invention relates to a process for preparing nondusting free-flowing pigment concentrates with removal of the water from pigment suspensions comprising polymers and dispersants in a fluidized bed drier. The resulting bead-form pigment concentrates are nondusting and readily free-flowing. The invention further embraces the use of pigment concentrates prepared in this way for coloring plastics and polymers.
    Type: Grant
    Filed: December 5, 2001
    Date of Patent: June 1, 2004
    Assignee: Goldschmidt AG
    Inventors: Werner Schäfer, Manfred Scheiba, Stefan Stadtmüller, Markus Weimann, Karlheinz Rümpler, Ulrich Walter
  • Patent number: 6423130
    Abstract: The invention relates to phosphoric esters of the general formula I where X is 1 or 2; n is from 2 to 18; m and o are each from 2 to 100; k is from 2 to 4; R″ is H or a linear or branched alkyl radical; and R′ is an alkyl, alkaryl, alkenyl, or sulfopropyl radical, and to there use as dispersants for pigments and fillers in aqueous or organic media.
    Type: Grant
    Filed: April 10, 2001
    Date of Patent: July 23, 2002
    Assignee: Th. Goldschmidt AG
    Inventors: Tammo Boinowitz, Eberhard Esselborn, Arno Knebelkamp, Christian Psiorz, Stefan Silber, Stefan Stadtmüller, Ellen Wallhorn
  • Patent number: 6310123
    Abstract: The invention relates to phosphoric esters of the general formula (I): wherein x is 1 or 2; n is a number from 2 to 18; m and n are each a number from 2 to 100; k is a number from 2 to 4; R″ is H or a linear or branched alkyl radical which may be substituted by a functional radical; and R′ is an alkyl, alkaryl, alkenyl or a sulfopropyl radical. The invention further relates to the use of the phosphoric esters as dispersants for pigments and fillers in aqueous or organic media and in particular to methods of forming a highly filled sheet molding compound or bulk molding compound comprising the step of dispersing components of the molding compound with said phosphoric esters.
    Type: Grant
    Filed: February 17, 1999
    Date of Patent: October 30, 2001
    Assignee: Goldschmidt AG
    Inventors: Tammo Boinowitz, Eberhard Esselborn, Arno Knebelkamp, Christian Psiorz, Stefan Silber, Stefan Stadtmüller, Ellen Wallhorn
  • Patent number: 6297331
    Abstract: The invention relates to novel organosiloxanyl derivatives of the general formula: to a process for preparing these derivatives, to the use thereof for preparing organomodified siloxanes and to the use thereof as paint additives.
    Type: Grant
    Filed: June 4, 1997
    Date of Patent: October 2, 2001
    Assignee: Th. Goldschmidt AG
    Inventors: Georg Feldmann-Krane, Wolfgang Josten, Rolf-Dieter Langenhagen, Gerhard Reusmann, Stefan Silber, Werner Spratte, Stefan Stadtmüller
  • Patent number: 6268404
    Abstract: This invention provides radiation-curing coating compositions comprising a mixture of organopolysiloxanes modified laterally and terminally with acrylic groups, which exhibit markedly improved adhesion to a variety of substrates following curing and for which there is little or no change in the adhesiveness on storage for prolonged periods.
    Type: Grant
    Filed: August 9, 1999
    Date of Patent: July 31, 2001
    Assignee: Th. Goldschmidt AG
    Inventors: Hardi Döhler, Thomas Ebbrecht, Winfried Hamann, Peter Lersch, Stefan Stadtmüller
  • Patent number: RE39746
    Abstract: The invention relates to phosphoric esters of the general formula I where X is 1 or 2; n is from 2 to 18; m and o are each from 2 to 100; k is from 2 to 4; R? is H or a linear or branched alkyl radical; and R? is an alkyl, alkaryl, alkenyl, or sulfopropyl radical, and to there use as dispersants for pigments and fillers in aqueous or organic media.
    Type: Grant
    Filed: May 25, 2004
    Date of Patent: July 31, 2007
    Assignee: Goldschmidt GmbH
    Inventors: Tammo Boinowitz, Eberhard Esselborn, Arno Knebelkamp, Christian Psiorz, Stefan Silber, Stefan Stadtmüller, Ellen Wallhorn