Patents by Inventor Stefan Spange
Stefan Spange 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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Publication number: 20240140544Abstract: An anti-skid device for installation on a belt of a crawler vehicle or wheel of a wheel drive includes a base body which, along a direction which corresponds to the running direction of the crawler belt or wheel, has at least two bottom sections (which, in the installed state, rest on a running surface of the belt or wheel, and has at least one rib section which is curved upward and is arranged between two bottom parts. One or more fastening points are provided in the bottom sections for anchoring the anti-skid device to the belt. The rib section is supported on the bottom sections and is divided into two or more rib parts in the direction transverse to the running direction; in addition, recesses are provided in lateral flanks of the rib section. One or more traction elements that project away can be provided on the rib parts.Type: ApplicationFiled: October 27, 2022Publication date: May 2, 2024Applicant: pewag Schneeketten GmbHInventors: Hubert Schemitsch, Georg Grossauer, Stefan Spang
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Publication number: 20210395406Abstract: A vinyl amine containing polymer comprises randomly distributed repeating monomer units having at least two of the following formulae: wherein, R1 is a hydrogen atom or a methyl group; and wherein the vinyl amine containing polymer comprises repeating monomer unit III and/or IV in a total amount of from about 1.5 weight percent to about 8 weight percent based on a total weight of the polymer.Type: ApplicationFiled: June 23, 2021Publication date: December 23, 2021Inventors: Florian Taubert, Lysann Kaßner, Tina Uhlig, Andreas Seifert, Stefan Spange, Michael Sommer, Christoph Hamers, Hans-Joachim Haehnle
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Patent number: 9580550Abstract: The invention relates to a method for producing polyamide composite materials containing silicon, comprising the copolymerisation of: a) at least one silicon compound (SV) having at least one silicon atom, said silicon atom having at least one lactamyl group of formula (A) bonded by means of the nitrogen atom thereof; b) the method also comprises copolymerisation with at least one comonomer (CM) that is selected from among ammonium salts of dicarboxylic acids, amino acids, amino acid amides and lactams. In formula (A), m represents a whole number between 1 and 11, in particular in between 2 and 9, and specifically 3, and # represents the connection to the silicon atom of the compound (SV).Type: GrantFiled: May 16, 2014Date of Patent: February 28, 2017Assignee: BASF SEInventors: Rolf-Egbert Gruetzner, Arno Lange, Lysann Kassner, Andreas Seifert, Stefan Spange
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Patent number: 9234098Abstract: The present invention relates to a process for producing a nanocomposite material from a) at least one inorganic or organometallic metal phase; and b) an organic polymer phase; comprising the polymerization of at least one monomer M which have at least one first polymerizable monomer unit A which has a metal or semimetal M, and at least one second polymerizable organic monomer unit B which is joined to the polymerizable unit A via a covalent chemical bond, under polymerization conditions under which both the polymerizable monomer unit A and the polymerizable unit B polymerize with breakage of the bond between A and B, the monomers M to be polymerized comprising a first monomer M1 and at least one second monomer M2 which differs at least in one of the monomer units A and B from the monomer M1 (embodiment 1), or the monomers to be polymerized comprising, as well as the at least one monomer M, at least one further monomer other than the monomers M, i.e.Type: GrantFiled: April 1, 2010Date of Patent: January 12, 2016Assignee: BASF SEInventors: Hannah Maria König, Hans-Joachim Hähnle, Arno Lange, Samira Nozari, Gerhard Cox, Rainer Dyllick-Brenzinger, Stefan Spange, Tina Löschner
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Patent number: 9099744Abstract: The present invention relates to a novel particulate porous carbon material containing a carbon phase and at least one pore phase, and to the use of such materials in lithium cells, especially lithium-sulfur cells. The carbon phase forms, with the pore phase, essentially unordered co-continuous phase domains, such that the distance between adjacent domains of the pore phase is not more than 50 nm. The invention also relates to a process for producing such carbon materials and to composite materials comprising elemental sulfur and at least one inventive particulate porous carbon material.Type: GrantFiled: March 27, 2012Date of Patent: August 4, 2015Assignee: BASF SEInventors: Nicole Janssen, Arno Lange, Gerhard Cox, Alexander Panchenko, Stefan Spange, Falko Boettger-Hiller
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Publication number: 20140249242Abstract: The present invention relates to a novel type of grafting or crosslinking method for (meth)acrylates in which the reaction is initiated by isocyanates and specific bases having an imine structure. Using this novel and specifically applicable method, polymers, particularly polyolefins having double bonds, may be grafted or crosslinked in a suitable reaction procedure. Furthermore, these unsaturated polymers may be used, following reaction with (poly)isocyanates, to prepare graft or block copolymers or also for the bonding of the modified unsaturated polyolefins to polyamides, polyesters, polycarbonates, polyimines or polyurethanes.Type: ApplicationFiled: August 24, 2012Publication date: September 4, 2014Applicant: Evonik Degussa GmbHInventors: Friedrich Georg Schmidt, Stefan Spange, Ingmar Polenz
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Publication number: 20140094561Abstract: The present invention relates to a process for producing a composite material composed of at least one inorganic or organometallic phase and one organic polymer phase with aromatic or heteroaromatic structural units, wherein homo- or copolymerization of the monomers of the formula I is performed in the presence of a base selected from organic nitrogen bases and inorganic or organic oxo bases and fluoride salts.Type: ApplicationFiled: September 27, 2013Publication date: April 3, 2014Applicant: BASF SEInventors: Arno Lange, Theo Smit, Raineer Dyllick-Brenzinger, Oliver Gronwald, Gerhard Cox, Stefan Spange, Patrick Kempe, Tina Mark
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Patent number: 8680203Abstract: The present invention relates to a process for producing a particulate nanocomposite material, in which the particles of the nanocomposite material comprise a) at least one inorganic or organo(semi)metallic phase which comprises at least one (semi)metal M; and b) at least one organic polymer phase. The invention also relates to the nanocomposite materials obtainable by this process. The process comprises the polymerization of at least one monomer MM which has at least one first cationically polymerizable monomer unit A which has a metal or semimetal M, and at least one second cationically polymerizable organic monomer unit B which is joined to the polymerizable unit A via at least one, e.g.Type: GrantFiled: May 7, 2010Date of Patent: March 25, 2014Assignee: BASF SEInventors: Samira Nozari, Rainer Dyllick-Brenzinger, Arno Lange, Stefan Spange
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Publication number: 20140017411Abstract: The present invention relates to a process for producing composite materials formed from a) at least one inorganic or organometallic phase; and b) at least one organic polymer phase with aromatic or heteroaromatic structural units; comprising the homo- or copolymerization of at least one monomer of the formula I in which M is a metal or semimetal; R1, R2 may be the same or different and are each an Ar—C(Ra,Rb)— radical in which Ar is as defined in claim 1, or the R1Q and R2G radicals together are a radical of the formula A in which A is an aromatic or heteroaromatic ring fused to the double bond, m is 0, 1 or 2, and the R radicals may be the same or different and are as defined in claim 1; G, Q are each O, S or NH; Q is O, S or NH; and in which q, X, Y, R1?, R2? are each as defined in claim 1; which comprises performing the polymerization of the monomers of the general formula I thermally in the absence or substantial absence of added catalysts.Type: ApplicationFiled: July 12, 2013Publication date: January 16, 2014Inventors: Arno Lange, Theo Smit, Rainer Dyllick-Brenzinger, Gerhard Cox, Oliver Gronwald, Judith Christine Bräuer, Stefan Spange, Tina Löschner, Patrick Kempe
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Publication number: 20130345380Abstract: The present invention relates to an innovative polymerization technique for (meth)acrylates and styrenes, in which the polymerization is initiated by isocyanates and special bases with imine structure and is activated/accelerated by addition of ionic liquids. With this new technique, which can be employed selectively, it is also possible to produce high molecular weight poly(meth)acrylates with in some cases narrow molecular weight distribution. The (meth)acrylate notation here denotes not only methacrylate, such as methyl methacrylate, ethyl methacrylate, etc., but also acrylate, such as methyl acrylate, ethyl acrylate, etc., for example, and also mixtures of both.Type: ApplicationFiled: March 7, 2012Publication date: December 26, 2013Applicant: Evonik Degussa GmbHInventors: Friedrich Georg Schmidt, Stefan Spange, Ingmar Polenz, Ralf Lungwitz
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Publication number: 20130317188Abstract: The present invention relates to an innovative polymerization technique for (meth)acrylates or styrenes, in which a special base with imine structure is added as a latent initiator, and the polymerization can be initiated without adding a coinitiator, at high temperatures. With this new and selectively employable technique it is also possible to produce high molecular weight poly(meth)acrylates having in some cases narrow molecular weight distribution. Furthermore, employing this new polymerization technique, a wide variety of different polymer architectures is available, such as block, star, or comb polymers.Type: ApplicationFiled: March 6, 2012Publication date: November 28, 2013Applicant: EVONIK DEGUSSA GmbHInventors: Friedrich Georg Schmidt, Stefan Spange, Ingmar Polenz
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Patent number: 8460628Abstract: The invention relates to spiro compounds of the formula (I) and to monolithic materials prepared therefrom by twin ring-opening polymerization which consist of a porous metal oxide or semimetal oxide framework and are suitable for use as catalyst supports or as supports for active compounds.Type: GrantFiled: December 1, 2008Date of Patent: June 11, 2013Assignee: BASF SEInventors: Matthias Koch, Stefan Spange, Arno Lange, Hans Joachim Haehnle, Rainer Dyllick-Brenzinger, Phillip Hanefeld, Marc Schroeder, Illshat Gubaydullin
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Publication number: 20120251889Abstract: The present invention relates to a novel particulate porous carbon material containing a carbon phase and at least one pore phase, and to the use of such materials in lithium cells, especially lithium-sulfur cells. The carbon phase forms, with the pore phase, essentially unordered co-continuous phase domains, such that the distance between adjacent domains of the pore phase is not more than 50 nm. The invention also relates to a process for producing such carbon materials and to composite materials comprising elemental sulfur and at least one inventive particulate porous carbon material.Type: ApplicationFiled: March 27, 2012Publication date: October 4, 2012Applicant: BASF SEInventors: Nicole Janssen, Arno Lange, Gerhard Cox, Alexander Panchenko, Stefan Spange, Falko Boettger-Hiller
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Publication number: 20120226006Abstract: The invention relates to a novel polymerization method for (meth)acrylates, wherein the polymerization is initiated by isocyanates and special bases having an imine structure. By means of said novel method that can be deliberately employed, even high-molecular-weight poly(meth)acrylates having in part a narrow molecular weight distribution can be produced. Furthermore, a wide variety of polymer architectures, such as block, star or comb polymers, are available using said novel polymerization method.Type: ApplicationFiled: November 29, 2010Publication date: September 6, 2012Applicants: Evonik Roehm GmbH, Evonik Degusa GmbHInventors: Friedrich Georg Schmidt, Emmanouil Spyrou, Simon Krause, Stefan Spange, Ingmar Polenz, Katja Hase
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Publication number: 20120187045Abstract: The present invention relates to a process for separating substance mixtures by means of a nonporous polymer film which has (a) at least one inorganic or organometallic phase and (b) at least one organic polymer phase, wherein the polymer film is obtainable by polymerizing at least one monomer which has at least one first polymerizable monomer segment A1 comprising at least one metal or semimetal M and at least one second polymerizable organic monomer segment A2 which is connected to the polymerizable monomer segment A1 via a covalent chemical bond, under polymerization conditions under which both the polymerizable monomer segment A1 and the polymerizable organic monomer segment A2 polymerize with breakage of the covalent chemical bond between A1 and A2. The present invention also relates to the use of the aforementioned polymer films for permeation, gas separation or pervaporation.Type: ApplicationFiled: September 27, 2010Publication date: July 26, 2012Applicant: BASF SEInventors: Arno Lange, Hans-Joachim Hähnle, Stefan Spange, Claudia Staudt, Michael Biskupski
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Publication number: 20120114947Abstract: The invention describes novel polymer-functionalized carbon nanotubes. These comprise a carbon nanotube, a first polymer that is adsorbed on the outer surface of a carbon nanotube and comprises amino groups, and a second polymer covalently bonded to the first polymer. The bond between the second polymer and the first polymer is formed by the reaction of amino groups from the first polymer with groups from the second polymer that are reactive with respect to amino groups. The invention further relates to a method for the production thereof, wherein carbon nanotubes are provided in an aqueous solution of a first polymer comprising amino groups and then a solution of a second polymer comprising groups that are reactive with respect to amino groups is added. The invention also relates to the use of the carbon nanotubes in dispersions, polymers and surface coatings.Type: ApplicationFiled: March 26, 2010Publication date: May 10, 2012Inventors: Werner Jenninger, Joachim Wagner, Helmut Meyer, Stephanie Vogel, Stefan Spange, Doreen Piasta, Bernd Grünler, Andreas Heft, Frank Simon
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Publication number: 20120091400Abstract: The present invention relates to a process for producing a nanocomposite material from a) at least one inorganic or organometallic metal phase; and b) an organic polymer phase; comprising the polymerization of at least one monomer M which have at least one first polymerizable monomer unit A which has a metal or semimetal M, and at least one second polymerizable organic monomer unit B which is joined to the polymerizable unit A via a covalent chemical bond, under polymerization conditions under which both the polymerizable monomer unit A and the polymerizable unit B polymerize with breakage of the bond between A and B, the monomers M to be polymerized comprising a first monomer M1 and at least one second monomer M2 which differs at least in one of the monomer units A and B from the monomer M1 (embodiment 1), or the monomers to be polymerized comprising, as well as the at least one monomer M, at least one further monomer other than the monomers M, i.e.Type: ApplicationFiled: April 1, 2010Publication date: April 19, 2012Applicant: BASF SEInventors: Hannah Maria König, Hans-Joachim Hähnle, Arno Lange, Samira Nozari, Gerhard Cox, Rainer Dyllick-Brenzinger, Stefan Spange, Tina Löschner
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Publication number: 20120052300Abstract: The present invention relates to a process for producing a particulate nanocomposite material, in which the particles of the nanocomposite material comprise a) at least one inorganic or organo(semi)metallic phase which comprises at least one (semi)metal M; and b) at least one organic polymer phase. The invention also relates to the nanocomposite materials obtainable by this process. The process comprises the polymerization of at least one monomer MM which has at least one first cationically polymerizable monomer unit A which has a metal or semimetal M, and at least one second cationically polymerizable organic monomer unit B which is joined to the polymerizable unit A via at least one, e.g.Type: ApplicationFiled: May 7, 2010Publication date: March 1, 2012Applicant: BASF SEInventors: Samira Nozari, Rainer Dyllick-Brenzinger, Arno Lange, Stefan Spange
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Publication number: 20110236690Abstract: The present invention provides a polymer laminar composite including a first layer and a second layer at least partially in contact with the first layer. The first layer includes a polyurethane polymer which is the reaction product of a polyisocyanate A) and/or a polyisocyanate prepolymer B) with an at least difunctional, isocyanate-group-reactive compound C) and a monomeric, monofunctional aromatic alcohol. The second layer includes polymeric thiophene of the formula (I), substituted at the 3 and/or 4 position: and polystyrene sulfonate. 2-Hydroxymethyl-3,4-ethylene dioxythiophene is preferably used for the first layer and poly(3,4-ethylene dioxythiophene) for the second layer. The invention further relates to a process for producing such a laminar composite, as well as an electromechanical converter containing this laminar composite.Type: ApplicationFiled: March 22, 2011Publication date: September 29, 2011Applicant: BAYER MATERIALSCIENCE AGInventors: Ayse Cochet, Joachim Wagner, Werner Jenninger, Stefan Spange, Romy Jaeschke
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Publication number: 20100294673Abstract: The invention relates to monolithic materials which consist of porous, preferably highly porous, carbon and are suitable, inter alia, for the storage of gases, such as, for example, hydrogen and methane, and for absorptive and adsorptive gas purification.Type: ApplicationFiled: December 1, 2008Publication date: November 25, 2010Applicant: MERCK PATENT GESELLSCHAFT MIT BESCHRANKTER HAFTUNGInventors: Matthias Koch, Joerg Pahnke, Gerhard Jonschker, Stefan Spange, Patrick Kempe, Silke Grund, Elias Klemm