Patents by Inventor Markus Steffen
Markus Steffen 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).
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Patent number: 9809686Abstract: The invention relates to a process for producing polyarylene ether beads from a polyarylene ether solution, comprising the steps of i) dividing the polyarylene ether solution in a division apparatus which is made to vibrate with a frequency of 10 to 1400 Hz to obtain droplets, ii) transferring the droplets into a precipitation bath to form polyarylene ether beads in the precipitation bath which (A) comprises at least one aprotic solvent (component (1)) and at least one protic solvent (component (2)), (B) has a temperature of 0° C. to Tc, where the critical temperature Tc in [° C.] can be determined by the numerical equation Tc=(77?c)/0.58 in which c is the concentration of component (1) in the precipitation bath in [% by weight] and (C) has component (1) in concentrations of 5% by weight to cc, where the critical concentration cc in [% by weight] can be determined by the numerical equation cc=77?0.58*T in which T is the temperature in the precipitation bath in [° C.Type: GrantFiled: July 16, 2014Date of Patent: November 7, 2017Assignee: BASF SEInventors: Joerg Erbes, Stefan Muessig, Tobias Kortekamp, Marco Krueger, Markus Steffen, Angela Ulzhoefer, Cecile Schneider, Alexandra Wiedemann, Simon Gramlich
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Publication number: 20160159990Abstract: The invention relates to a process for producing polyarylene ether beads from a polyarylene ether solution, comprising the steps of i) dividing the polyarylene ether solution in a division apparatus which is made to vibrate with a frequency of 10 to 1400 Hz to obtain droplets, ii) transferring the droplets into a precipitation bath to form polyarylene ether beads in the precipitation bath which (A) comprises at least one aprotic solvent (component (1)) and at least one protic solvent (component (2)), (B) has a temperature of 0° C. to Tc, where the critical temperature Tc in [° C.] can be determined by the numerical equation Tc=(77?c)/0.58 in which c is the concentration of component (1) in the precipitation bath in [% by weight] and (C) has component (1) in concentrations of 5% by weight to cc, where the critical concentration cc in [% by weight] can be determined by the numerical equation cc=77?0.58*T in which T is the temperature in the precipitation bath in [° C.Type: ApplicationFiled: July 16, 2014Publication date: June 9, 2016Applicant: BASF SEInventors: Joerg ERBES, Stefan MUESSIG, Tobias KORTEKAMP, Marco KRUEGER, Markus STEFFEN, Angela ULZHOEFER, Cecile SCHNEIDER, Alexandra WIEDEMANN, Simon GRAMLICH
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Patent number: 8833031Abstract: A device (100) for securing a support structure such as solar module-carrier (12) to a flat roof (16) which is provided with a non-bearing insulation layer (24) covered by a sealing strip (22). The device (100) has an upper connection element (150) for the support structure and a spacer member (120) which can be guided through an opening (26) in the insulation layer (24) in order to support the connection element (150) on a roof substructure (17). The spacer member (120) is anchored by a plurality of anchoring parts (28) on the roof substructure (17). The connection element (150) comprises an upper and a lower connection flange (152, 154) between which the sealing strip (22) is clamped. The spacer member (120) is designed as a profile or hollow-profile part which can be cut to length as required and is produced as an extrusion part from a thermal insulation material.Type: GrantFiled: September 14, 2012Date of Patent: September 16, 2014Assignee: SFS Intec Holding AGInventor: Markus Steffen
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Publication number: 20130000243Abstract: A device (100) for securing a support structure such as solar module-carrier (12) to a flat roof (16) which is provided with a non-bearing insulation layer (24) covered by a sealing strip (22). The device (100) has an upper connection element (150) for the support structure and a spacer member (120) which can be guided through an opening (26) in the insulation layer (24) in order to support the connection element (150) on a roof substructure (17). The spacer member (120) is anchored by a plurality of anchoring parts (28) on the roof substructure (17). The connection element (150) comprises an upper and a lower connection flange (152, 154) between which the sealing strip (22) is clamped. The spacer member (120) is designed as a profile or hollow-profile part which can be cut to length as required and is produced as an extrusion part from a thermal insulation material.Type: ApplicationFiled: September 14, 2012Publication date: January 3, 2013Applicant: SFS INTEC HOLDING AGInventor: Markus Steffen
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Patent number: 8304075Abstract: The present invention relates to a coarsely divided microcapsule preparation with particles whose particle sizes are in the range from 200 ?m to 5 cm, comprising microcapsules with a capsule core of latent heat storage material and a thermosetting polymer as capsule wall and one or more polymeric binders whose binder polymer has thermoplastic properties and film-forming properties under processing conditions, where the binder content, calculated as solid, is 1-30% by weight, based on the total weight of the coarsely divided microcapsule preparation.Type: GrantFiled: August 2, 2005Date of Patent: November 6, 2012Assignee: BASF AktiengesellschaftInventors: Gabriele Lang-Wittkowski, Ekkehard Jahns, Marco Schmidt, Michael Senge, Markus Steffen, Karl Kolter
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Publication number: 20120034084Abstract: The invention relates to a process for producing a turbine wheel for an exhaust gas turbocharger by metal powder injection molding, which comprises the following steps: (a) provision of a feedstock comprising a metal powder and a binder, (b) provision of a tool which comprises a negative mold of the turbine wheel to be produced for metal powder injection molding of the turbine wheel, (c) introduction of a rotationally symmetrical core comprising a binder into the negative mold of the tool provided in process step (b) and alignment of the core so that it is aligned symmetrically about the axis of rotation of the turbine wheel to be produced, (d) production of a green body by metal powder injection molding of the feedstock provided in process step (a) around the core, (e) carrying out of a binder removal step to remove the binder from the green body in order to obtain a molding in the shape of the turbine wheel, and (f) sintering of the molding.Type: ApplicationFiled: April 1, 2010Publication date: February 9, 2012Applicant: BASF SEInventors: Andreas Kern, Martin Bloemacher, Franz-Dieter Martischius, Markus Steffen, Johan Ter Maat, Hans Wohlfromm
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Patent number: 7575804Abstract: The present invention relates to a coarse-particled microcapsule preparation comprising microencapsulated latent heat accumulators and one or more polymeric binders, the ratio of surface area to volume of the particles obeying the following relationship: Surface ? ? area 2 Volume 3 ? 2.5 , and to processes for its production and its use in heat exchangers and building materials.Type: GrantFiled: January 14, 2006Date of Patent: August 18, 2009Assignee: BASF AktiengesellschaftInventors: Gabriele Lang-Wittkowski, Ekkehard Jahns, Markus Steffen
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Publication number: 20080166555Abstract: The present invention relates to a coarse-particled microcapsule preparation comprising microencapsulated latent heat accumulators and one or more polymeric binders, the ratio of surface area to volume of the particles obeying the following relationship: Surface ? ? area 2 Volume 3 ? 2.5 , and to processes for its production and its use in heat exchangers and building materials.Type: ApplicationFiled: January 14, 2006Publication date: July 10, 2008Applicant: BASF AktiengesellschaftInventors: Gabriele Lang-Wittkowski, Ekkehard Jahns, Markus Steffen
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Publication number: 20070248824Abstract: The present invention relates to a coarsely divided microcapsule preparation with particles whose particle sizes are in the range from 200 ?m to 5 cm, comprising microcapsules with a capsule core of latent heat storage material and a thermosetting polymer as capsule wail and one or more polymeric binders whose binder polymer has thermoplastic properties and film-forming properties under processing conditions, where the binder content, calculated as solid, is 1-30% by weights based on the total weight of the coarsely divided microcapsule preparation.Type: ApplicationFiled: August 2, 2005Publication date: October 25, 2007Applicant: BASF AktiengesellschaftInventors: Gabriele Lang-Wittkowski, Ekkehard Jahns, Marco Schmidt, Michael Senge, Markus Steffen, Karl Kolter
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Patent number: 5823338Abstract: A package for elongated parts (2) has a supporting element (1) made of a supporting strip (4) and of a tear-off covering strip (5). The supporting strip (4) has openings (6) in which the elongated parts (2) are laid, forming a row of parallel elongated parts. The package may be easily removed by tearing the covering strip (5) along perforated lines (13, 14).Type: GrantFiled: September 24, 1996Date of Patent: October 20, 1998Assignee: SFS Industrie Holding AGInventors: Helmut Osterle, Daniel Gasser, Guido Hasler, Richard Sahli, Walter Seifert, Norbert Koppel, Markus Steffen
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Patent number: 4932821Abstract: A nail retaining strip for feeding nails into a fastening element driving tool where the nails are driven individually out of the tool by a drive piston includes guide bushings for the nails. Adjacent guide bushings are separably interconnected by connecting webs. The guide bushing extends in the axial direction of the nail shank and has axially and circumferentially extending circular guide surfaces for supporting the nails within the muzzle bore of the driving tool. The connecting webs extend radially outwardly from the guide surfaces so that the guide surfaces on adjacent guide bushings are in spaced relation. The connecting webs retain the nails in the axial direction of the muzzle bore by engagement in a receiving recess in the bore located opposite a passage through which the nails are inserted into the bore. Such axial retention permits complete utilization of the nail strip down to and including the last nail.Type: GrantFiled: April 26, 1989Date of Patent: June 12, 1990Assignee: Hilti AktiengesellschaftInventors: Markus Steffen, Peter von Flue