Patents by Inventor Stefan Friedrich

Stefan Friedrich 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).

  • Publication number: 20160200488
    Abstract: A cap for a container comprises: a ferrule (3) to be fixedly attached to the neck (11) of the container (10), the ferrule (3) comprising an upper wall (30) and a tubular skirt (31) extending downwardly from the upper wall (30); a tamper evidence mechanism (4) connected with the ferrule (3); an overseal button (5;5a; 5b;5c;5d;5e) removably arranged on top of the upper wall (30) of the ferrule (3) so as to at least fully cover the tamper evidence mechanism (4), the overseal button being connected to the tamper evidence mechanism (4) such that upon first removal of the overseal button the tamper evidence mechanism is irreversibly damaged. The overseal button (5;5a;5b;5c;5d;5e) comprises at least one translucent portion (52;52a;52;52c;52d;52e) arranged to extend over the at least one portion (401;401e) of the tamper evidence mechanism (4) which is irreversibly damaged upon first removal of the overseal button.
    Type: Application
    Filed: August 27, 2014
    Publication date: July 14, 2016
    Inventors: Stefan Friedrich, Wigand Weirich
  • Patent number: 9353007
    Abstract: A dry mortar mixture based on at least one hydraulic and/or latently hydraulic binder which in the made-up and not yet cured state has firm properties is claimed. The novel dry mortar mixture is characterized in that it contains at least one representative of a dispersant and at least one compound having superabsorbent properties. This mixture makes it possible to carry over the advantages of known tile adhesives for horizontal application to vertical application possibilities.
    Type: Grant
    Filed: October 28, 2010
    Date of Patent: May 31, 2016
    Assignee: BASF CONSTRUCTION POLYMERS GmbH
    Inventors: Michael Eberwein, Christian Trieflinger, Michael Schinabeck, Jutta Karin Langlotz, Stefan Friedrich, Gregor Herth
  • Patent number: 9321869
    Abstract: New water soluble cationic copolymers derived from N-vinyl amide monomers and ethylenically unsaturated compounds bearing cationic groups.
    Type: Grant
    Filed: December 5, 2014
    Date of Patent: April 26, 2016
    Assignee: BASF SE
    Inventors: Pierre-Eric Millard, Gregor Herth, Stefan Friedrich
  • Patent number: 9315717
    Abstract: Water-soluble, hydrophobically associating copolymer comprising a monoethylenically unsaturated, water-soluble, surface-active monomer (a), and a monoethylenically unsaturated, hydrophilic monomer (b) different from monomer (a). The copolymer is prepared in the presence of a nonpolymerizable surfactant and has marked thickening properties in aqueous systems.
    Type: Grant
    Filed: July 30, 2010
    Date of Patent: April 19, 2016
    Assignee: BASF SE
    Inventors: Thomas Pfeuffer, Roland Reichenbach-Klinke, Stefan Friedrich, Marcus Guzmann
  • Patent number: 9163103
    Abstract: Water-soluble, hydrophobically associating copolymers which comprise new types of hydrophobically associating monomers. The monomers comprise an ethylenically unsaturated group and a polyether group with block structure comprising a hydrophilic polyalkylene oxide block which consists essentially of ethylene oxide groups, and a terminal, hydrophobic polyalkylene oxide block which consists of alkylene oxides with at least 4, preferably at least 5 carbon atoms.
    Type: Grant
    Filed: July 3, 2014
    Date of Patent: October 20, 2015
    Assignee: BASF SE
    Inventors: Roland Reichenbach-Klinke, Thomas Pfeuffer, Kati Schmidt, Thomas Ostrowski, Reinhold J. Leyrer, Yulia Fogel, Stefan Friedrich, Peter Gaeberlein, Andrea Orleans, Manfred Schuhbeck, Marcus Guzmann, Marcus Rösch, Bjorn Langlotz
  • Publication number: 20150152008
    Abstract: The invention concerns a solid composition comprising calcium silicate hydrate and at least one water-soluble cationic (co)polymer. Additionally, a process for producing the compositions, in which an aqueous suspension of calcium silicate hydrate, preferably suitable as a setting and curing accelerator for (portland)cement-containing binder systems, is contacted with at least one cationic (co)polymer and the product is dried. Also concerned is the use as setting accelerator in preferably (portland)cement-containing building material mixtures and as grinding assistant in the production of (portland) cement. The invention further concerned building material mixtures comprising the solid compositions of the invention.
    Type: Application
    Filed: April 30, 2013
    Publication date: June 4, 2015
    Inventors: Jutta Karin Langlotz, Stefan Friedrich, Christoph Hesse
  • Publication number: 20150148456
    Abstract: The present invention relates to a process for producing solid compositions comprising calcium silicate hydrate and at least one water-soluble polymer with cationic structural units, uncharged structural units and/or anionic structural units containing sulpho groups, wherein an aqueous suspension of the calcium silicate hydrate is contacted with the polymer and the mixture is dried by a drum drying process.
    Type: Application
    Filed: May 27, 2013
    Publication date: May 28, 2015
    Inventors: Diana Eissmann, Jutta Karin Langlotz, Stefan Friedrich, Christoph Hesse
  • Patent number: 9040609
    Abstract: The present invention relates to a solid composition containing calcium silicate hydrate and at least one water-swellable polymer which can form a hydrogel, and also to a process for preparing the composition, to the use thereof as a setting accelerator, and as a grinding aid in cement production. It also relates to building material mixtures which comprise the compositions.
    Type: Grant
    Filed: November 23, 2011
    Date of Patent: May 26, 2015
    Assignee: Construction Research & Technology GmbH
    Inventors: Jutta Karin Langlotz, Stefan Friedrich, Christoph Hesse
  • Publication number: 20150087796
    Abstract: New water soluble cationic copolymers derived from N-vinyl amide monomers and ethylenically unsaturated compounds bearing cationic groups.
    Type: Application
    Filed: December 5, 2014
    Publication date: March 26, 2015
    Applicant: BASF SE
    Inventors: Pierre-Eric MILLARD, Gregor HERTH, Stefan FRIEDRICH
  • Patent number: 8906986
    Abstract: Claimed is a cationic copolymer and also its use as an admixture agent for building product systems, especially based on calcium sulfate. The copolymers of the invention effectuate accelerated setting behavior in clay-containing as well as non-clay-containing gypsums and they enable uncurtailed water reduction performance by dispersant agents used at the same time with the copolymers. The clay fractions in the gypsum system are masked by the cationic copolymer, and so the building product mixture exhibits properties of a building product mixture not containing clay. The copolymers are used as a formulation and also together with retarders.
    Type: Grant
    Filed: November 29, 2011
    Date of Patent: December 9, 2014
    Assignee: BASF Construction Solutions GmbH
    Inventors: Michael Schinabeck, Frank Dierschke, Manfred Bichler, Silke Flakus-Taube, Stefan Friedrich
  • Publication number: 20140316035
    Abstract: Water-soluble, hydrophobically associating copolymers which comprise new types of hydrophobically associating monomers. The monomers comprise an ethylenically unsaturated group and a polyether group with block structure comprising a hydrophilic polyalkylene oxide block which consists essentially of ethylene oxide groups, and a terminal, hydrophobic polyalkylene oxide block which consists of alkylene oxides with at least 4, preferably at least 5 carbon atoms.
    Type: Application
    Filed: July 3, 2014
    Publication date: October 23, 2014
    Applicant: BASF SE
    Inventors: ROLAND REICHENBACH-KLINKE, Thomas Pfeuffer, Kati Schmidt, Thomas Ostrowski, Reinhold J. Leyrer, Yulia Fogel, Stefan Friedrich, Peter Gaeberlein, Andrea Orleans, Manfred Schuhbeck, Marcus Guzmann, Marcus Rösch, Bjorn Langlotz
  • Publication number: 20140299024
    Abstract: Suggested is a novel coated particle of active ingredients with controlled release properties at pH-values from 10 to 14, wherein the active ingredient is selected from one or more construction chemical additives for the control of inorganic binders, characterized in that the coating comprises shellac, a process for its manufacture and the use thereof as an additive for mortars, dry mortars, cement slurries and/or concretes.
    Type: Application
    Filed: November 22, 2012
    Publication date: October 9, 2014
    Inventors: Wolfgang Seidl, Dawid Marczewski, Sascha Raspl, Steffen Wache, Michael Schinabeck, Stefan Friedrich
  • Patent number: 8846784
    Abstract: Additives for application in construction chemistry are proposed comprising an organic and/or inorganic core component A) with rheology-enhancing properties and a shell component B) applied to the same by virtue of physical and/or chemical interactions which acts as a coating. Component A) should be a of water-soluble and/or water-swellable and/or water-absorbable compound of the non-cellulose type with viscosity-enhancing properties in the final application. The shell component B) should preferably be a film-forming polymer which is able to release component A) during the application in construction chemistry in a retarded manner such as for example polyvinyl alcohol, polyvinyl acetate and polyethylene glycol. Component B) can be composed of several layers and comprises at least one reactive layer.
    Type: Grant
    Filed: August 10, 2006
    Date of Patent: September 30, 2014
    Assignee: Construction Research & Technology GmbH
    Inventors: Peter Gäberlein, Michael Schinabeck, Stefan Friedrich, Uwe Holland, Michael Eberwein, Patrick Weiss, Manfred Schuhbeck
  • Patent number: 8783356
    Abstract: Water-soluble, hydrophobically associating copolymers which comprise new types of hydrophobically associating monomers. The monomers comprise an ethylenically unsaturated group and a polyether group with block structure comprising a hydrophilic polyalkylene oxide block which consists essentially of ethylene oxide groups, and a terminal, hydrophobic polyalkylene oxide block which consists of alkylene oxides with at least 4, preferably at least 5 carbon atoms.
    Type: Grant
    Filed: November 19, 2012
    Date of Patent: July 22, 2014
    Assignee: BASF SE
    Inventors: Roland Reichenbach-Klinke, Thomas Pfeuffer, Kati Schmidt, Thomas Ostrowski, Reinhold J. Leyrer, Yulia Fogel, Stefan Friedrich, Peter Gaeberlein, Andrea Orleans, Manfred Schuhbeck, Marcus Guzmann, Marcus Rösch, Bjorn Langlotz
  • Publication number: 20140066546
    Abstract: The present invention relates to a solid composition containing calcium silicate hydrate and at least one water-swellable polymer which can form a hydrogel, and also to a process for preparing the composition, to the use thereof as a setting accelerator, and as a grinding aid in cement production. It also relates to building material mixtures which comprise the compositions.
    Type: Application
    Filed: November 23, 2011
    Publication date: March 6, 2014
    Applicant: CONSTRUCTION RESEARCH & TECHNOLOGY GMBH
    Inventors: Jutta Karin Langlotz, Stefan Friedrich, Christoph Hesse
  • Publication number: 20140066547
    Abstract: Claimed is a cationic copolymer and also its use as an admixture agent for building product systems, especially based on calcium sulfate. The copolymers of the invention effectuate accelerated setting behavior in clay-containing as well as non-clay-containing gypsums and they enable uncurtailed water reduction performance by dispersant agents used at the same time with the copolymers. The clay fractions in the gypsum system are masked by the cationic copolymer, and so the building product mixture exhibits properties of a building product mixture not containing clay. The copolymers are used as a formulation and also together with retarders.
    Type: Application
    Filed: November 29, 2011
    Publication date: March 6, 2014
    Applicant: BASF CONSTRUCTION POLYMERS GMBH
    Inventors: Michael Schinabeck, Frank Dierschke, Manfred Bichler, Silke Flakus, Stefan Friedrich
  • Patent number: 8641089
    Abstract: In an airbag module (100) for a vehicle steering wheel comprising an inflator (110) and a device (130) for vibration damping on which the inflator (110) is mounted to be oscillating as vibration damper mass the device (130) for vibration damping is configured at least to damp a first device-specific frequency and a second device-specific frequency, wherein different excitation directions are associated with the first and second device-specific frequencies.
    Type: Grant
    Filed: March 11, 2013
    Date of Patent: February 4, 2014
    Assignee: TRW Automotive Safety Systems GmbH
    Inventors: Stefan Friedrich, Klaus Freudenberger, Michael Deckenhoff, Dirk Zimmermann, Ralf Krause
  • Publication number: 20130274369
    Abstract: New water soluble cationic copolymers derived from N-vinyl amide monomers and ethylenically unsaturated compounds bearing cationic groups.
    Type: Application
    Filed: April 12, 2013
    Publication date: October 17, 2013
    Applicant: BASF SE
    Inventors: Pierre-Eric MILLARD, Gregor Herth, Stefan Friedrich
  • Publication number: 20130098271
    Abstract: A dry mortar mixture based on at least one hydraulic and/or latently hydraulic binder which in the made-up and not yet cured state has firm properties is claimed. The novel dry mortar mixture is characterized in that it contains at least one representative of a dispersant and at least one compound having superabsorbent properties. This mixture makes it possible to carry over the advantages of known tile adhesives for horizontal application to vertical application possibilities.
    Type: Application
    Filed: October 28, 2010
    Publication date: April 25, 2013
    Inventors: Michael Eberwein, Christian Trieflinger, Michael Schinabeck, Jutta Karin Langlotz, Stefan Friedrich, Gregor Herth
  • Patent number: 8362180
    Abstract: Water-soluble, hydrophobically associating copolymers which comprise new types of hydrophobically associating monomers. The monomers comprise an ethylenically unsaturated group and a polyether group with block structure comprising a hydrophilic polyalkylene oxide block which consists essentially of ethylene oxide groups, and a terminal, hydrophobic polyalkylene oxide block which consists of alkylene oxides with at least 4, preferably at least 5 carbon atoms.
    Type: Grant
    Filed: May 20, 2010
    Date of Patent: January 29, 2013
    Assignee: BASF SE
    Inventors: Roland Reichenbach-Klinke, Thomas Pfeuffer, Kati Schmidt, Thomas Ostrowski, Reinhold J Leyrer, Yulia Fogel, Stefan Friedrich, Peter Gaeberlein, Andrea Orleans, Manfred Schuhbeck, Marcus Guzmann, Markus Rösch, Björn Langlotz