Patents by Inventor Helmut Traunspurger
Helmut Traunspurger 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: 20240113301Abstract: Methods of preparing a dry powder blend co-coagulating conductive carbon black particles and fibrillizable polytetrafluoroethylene particles from an aqueous dispersion and drying the co-coagulate are described. Dry powders prepared by such methods and electrodes prepared from such powders are also described.Type: ApplicationFiled: September 7, 2023Publication date: April 4, 2024Inventors: Michael H. Mitchell, Michael C. Dadalas, Mark W. Muggli, Helmut Traunspurger, André Streiter, Kevin W. Eberman, Brandon A. Bartling
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Publication number: 20210189031Abstract: Described herein is a fluorothermoplast with long chain branching and a method of making such a polymer using a modifier of the formula: F2C?CF(CF2)a(O)RfH wherein a is 0 or 1 and Rf is a linear or branched fluorinated alkylene group comprising 1 to 5 carbon atoms and optionally comprising at least one ether linkage and optionally comprising 1 or 2 hydrogen atoms. This fluorothermoplast may be processed through polymer melt processes, such as blow molding, injection molding, film extrusion, and wire extrusion. Preferably, said polymer contains structural units derived from tetrafluoroethylene and a perfluorinated olefin or ether, and comprises chain branching.Type: ApplicationFiled: October 23, 2018Publication date: June 24, 2021Inventors: Klaus Hintzer, Harald Kaspar, Kai Helmut Lochhaas, Jens Schrooten, Helmut Traunspurger, Tilman C. Zipplies
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Patent number: 10875948Abstract: Curable fluoropolymer containing repeating units derived from VDF and TFE and at least one other fluorinated comonomer and further containing —CF2CH2I end groups and branching sites derived from one or more perfluorinated bisolefinic ether(s) used as modifier(s), wherein the one or more perfluorinated bisolefinic ether(s) used as modifier(s) correspond to the general formula: CF2?CF—(CF2)n—O—(R1)—O—(CF2)mCF?CF2 wherein n and m are independent from each other either 1 or 0 and wherein R1 represents a perfluorinated linear or branched, cyclic or acyclic aliphatic or aromatic hydrocarbon residue that may be interrupted by one or more oxygen atoms and comprises up to 30 carbon atoms. Further provided are methods of making the curable fluoropolymers and for making an article containing the curable polymers.Type: GrantFiled: February 22, 2016Date of Patent: December 29, 2020Assignee: 3M INNOVATIVE PROPERTIES COMPANYInventors: Florian D. Jochum, Klaus Hintzer, Kai Helmut Lochhaas, Harald Kaspar, Tilman C. Zipplies, Helmut Traunspurger
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Patent number: 10744497Abstract: Provided are methods for removing a perfluorinated alkanoic acid from solutions containing the perfluorinated alkanoic acid and a fluorinated alkoxy acid. These methods include contacting the first solution with an anion-exchange resin to produce a second solution and a resultant anion-exchange resin having perfluorinated alkanoic acid adsorbed thereto, wherein the perfluorinated alkanoic acid is present in the first solution at a first concentration and is present in the second solution at a second concentration which is lower than the first concentration, and separating the second solution from the resultant anion-exchange resin.Type: GrantFiled: March 2, 2017Date of Patent: August 18, 2020Assignee: 3M INNOVATIVE PROPERTIES COMPANYInventors: Tilman C. Zipplies, Klaus Hintzer, Helmut Traunspurger, Karl D. Weilandt
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Patent number: 10227484Abstract: Described herein is a composition comprising (i) a hydrofluorothermoplastic polymer, wherein the hydrofluorothermoplastic polymer is derived from: (a) 50-85 mol % tetrafluoroethene; (b) 2-15 mol % hexafluoropropene; (c) 10-35 mol % vinylidene fluoride; and (d) 0.1 to 5 mol % of a bromine-containing monomer; and (ii) a perhalogenated thermoplastic polymer. Such compositions can be used in multilayer constructions in, for example, fuel hose applications.Type: GrantFiled: August 13, 2015Date of Patent: March 12, 2019Assignee: 3M Innovative Properties CompanyInventors: Lisa P. Chen, Klaus Hintzer, Harald Kaspar, Kai H. Lochhaas, Mark W. Muggli, Jens Schrooten, Allen M. Sohlo, Helmut Traunspurger, Karl D. Weilandt, Tilman C. Zipplies
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Publication number: 20190070599Abstract: Provided are methods for removing a perfluorinated alkanoic acid from solutions containing the perfluorinated alkanoic acid and a fluorinated alkoxy acid. These methods include contacting the first solution with an anion-exchange resin to produce a second solution and a resultant anion-exchange resin having perfluorinated alkanoic acid adsorbed thereto, wherein the perfluorinated alkanoic acid is present in the first solution at a first concentration and is present in the second solution at a second concentration which is lower than the first concentration, and separating the second solution from the resultant anion-exchange resin.Type: ApplicationFiled: March 2, 2017Publication date: March 7, 2019Inventors: Tilman C. Zipplies, Klaus Hintzer, Helmut Traunspurger, Karl D. Weilandt
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Patent number: 10087322Abstract: Described herein is a composition comprising a fluorothermoplastic polymer, wherein the fluorothermoplastic polymer is derived from: (a) 60-85 mol % tetrafluoroethene; (b) 2-12 mol % hexafluoropropene; (c) 10-30 mol % vinylidene fluoride; (d) 0.2 to 5 mol % of a bromine-containing monomer. Such compositions can be used in multilayer constructions in, for example, fuel hose applications.Type: GrantFiled: August 11, 2015Date of Patent: October 2, 2018Assignee: 3M Innovative Properties CompanyInventors: Lisa P. Chen, Klaus Hintzer, Harald Kaspar, Kai H. Lochhaas, Mark W. Muggli, Jens Schrooten, Allen M. Sohlo, Helmut Traunspurger, Karl D. Weilandt, Tilman C. Zipplies
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Patent number: 10087307Abstract: Described are methods of making a curable fluoropolymer having repeating units derived from vinylidenfluoride (VDF) and at least one perfluorinated monomer selected from hexafluoropropene (HFP), tetrafluoroethene (TFE), a perfluorovinyl ether (PAVE), a perfluoroallylether (PAAVE) or a combination thereof. The method includes polymerizing the monomers in an aqueous medium in a radical reaction containing one or more reaction initiators, one or more chain transfer agent containing one or more halogens selected from iodine, bromine or a combination thereof and one or more non-fluorinated aliphatic polyhydroxy emulsifiers. The polymerization is carried out without adding a fluorinated emulsifier. Also provided are curable fluoropolymers obtainable by such methods and cured fluoropolymers obtainable by curing the curable fluoropolymers, and their applications.Type: GrantFiled: October 29, 2014Date of Patent: October 2, 2018Assignee: 3M INNOVATIVE PROPERTIES COMPANYInventors: Kai Helmut Lochhaas, Klaus Hintzer, Tilman C. Zipplies, Harald Kaspar, Florian D. Jochum, Helmut Traunspurger, Arnd Kruz, Peter Bissinger
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Patent number: 9938403Abstract: A method of making a highly fluorinated polymers and resulting aqueous mixtures. The method comprising polymerizing one or more perfluorinated monomers in an aqueous emulsion polymerization in the presence of a polymerizable fluorinated emulsifier to form a perfluorinated polymer. The polymerizable fluorinated emulsifier has the formula X2C?CX(CF2)m(CH2)n[O—(CX2)p]q—[O—(CX2)r]s?[O—(CX2—CX2)]t—[(O)w—(CX2)u]v—[CH2]z—Y. The method also provides for isolating the highly fluorinated polymer and post-fluorinating the isolated highly fluorinated polymer.Type: GrantFiled: January 11, 2016Date of Patent: April 10, 2018Assignee: 3M Innovative Properties CompanyInventors: Klaus Hintzer, Harald Kaspar, Herbert Koenigsmann, Helmut Traunspurger, Tilman C. Zipplies
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Publication number: 20180030182Abstract: Curable fluoropolymer containing repeating units derived from VDF and TFE and at least one other fluorinated co-monomer and further containing —CF2CH2I end groups and branching sites derived from one or more perfluorinated bisolefinic ether(s) used as modifier(s), wherein the one or more perfluorinated bisolefinic ether(s) used as modifier(s) correspond to the general formula: CF2?CF—(CF2)n—O—(R1)—O—(CF2)mCF?CF2 wherein n and m are independent from each other either 1 or 0 and wherein R1 represents a perfluorinated linear or branched, cyclic or acyclic aliphatic or aromatic hydrocarbon residue that may be interrupted by one or more oxygen atoms and comprises up to 30 carbon atoms. Further provided are methods of making the curable fluoropolymers and for making an article containing the curable polymers.Type: ApplicationFiled: February 22, 2016Publication date: February 1, 2018Inventors: Florian D. Jochum, Klaus Hintzer, Kai Helmut Lochhaas, Harald Kaspar, Tilman C. Zipplies, Helmut Traunspurger
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Publication number: 20170226337Abstract: Described herein is a composition comprising a fluorothermoplastic polymer, wherein the fluorothermoplastic polymer is derived from: (a) 60-85 mol % tetrafluoroethene; (b) 2-12 mol % hexafluoropropene; (c) 10-30 mol % vinylidene fluoride; (d) 0.2 to 5 mol % of a bromine-containing monomer. Such compositions can be used in multilayer constructions in, for example, fuel hose applications.Type: ApplicationFiled: August 11, 2015Publication date: August 10, 2017Inventors: Lisa P. Chen, Klaus Hintzer, Harald Kaspar, Kai H. Lochhaas, Mark W. Muggli, Jens Schrooten, Allen M. Sohlo, Helmut Traunspurger, Karl D. Weilandt, Tilman C. Zipplies
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Publication number: 20170226336Abstract: Described herein is a composition comprising (i) a hydrofluorothermoplastic polymer, wherein the hydrofluorothermoplastic polymer is derived from: (a) 50-85 mol % tetrafluoroethene; (b) 2-15 mol % hexafluoropropene; (c) 10-35 mol % vinylidene fluoride; and (d) 0.1 to 5 mol % of a bromine-containing monomer; and (ii) a perhalogenated thermoplastic polymer. Such compositions can be used in multilayer constructions in, for example, fuel hose applications.Type: ApplicationFiled: August 13, 2015Publication date: August 10, 2017Inventors: Lisa P. Chen, Klaus Hintzer, Harald Kaspar, Kai H. Lochhaas, Mark W. Muggli, Jens Schrooten, Allen M. Sohlo, Helmut Traunspurger, Karl D. Weilandt, Tilman C. Zipplies
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Patent number: 9714307Abstract: A method of making a partially fluorinated polymer dispersions and resulting aqueous mixtures. The method comprising polymerizing one or more fluorinated monomers in an aqueous emulsion polymerization in the presence of a polymerizable fluorinated emulsifier to form a fluorinated polymer. The polymerizable fluorinated emulsifier has the formula X2C?CX(CF2)m(CH2)n[O—(CX2)p]q-[O—(CX2)r]s—[O—(CX2—CX2)]t—[(O)w—(CX2)u]v-[CH2]z—Y.Type: GrantFiled: November 20, 2013Date of Patent: July 25, 2017Assignee: 3M Innovative Properties CompanyInventors: Klaus Hintzer, Harald Kaspar, Herbert Koenigsmann, Helmut Traunspurger, Tilman C. Zipplies
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Publication number: 20160272782Abstract: Described are methods of making a curable fluoropolymer having repeating units derived from vinylidenfluoride (VDF) and at least one perfluorinated monomer selected from hexafluoropropene (HFP), tetrafluoroethene (TFE), a perfluorovinyl ether (PAVE), a perfluoroallylether (PAAVE) or a combination thereof. The method includes polymerising the monomers in an aqueous medium in a radical reaction containing one or more reaction initiators, one or more chain transfer agent containing one or more halogens selected from iodine, bromine or a combination thereof and one or more non-fluorinated aliphatic polyhydroxy emulsifiers. The polymerization is carried out without adding a fluorinated emulsifier. Also provided are curable fluoropolymers obtainable by such methods and cured fluoropolymers obtainable by curing the curable fluoropolymers, and their applications.Type: ApplicationFiled: October 29, 2014Publication date: September 22, 2016Inventors: Kai Helmut Lochhaas, Klaus Hintzer, Tilman C. Zipplies, Harald Kaspar, Florian D. Jochum, Helmut Traunspurger, Arnd Kruz, Peter Bissinger
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Publication number: 20160122522Abstract: A method of making a highly fluorinated polymers and resulting aqueous mixtures. The method comprising polymerizing one or more perfluorinated monomers in an aqueous emulsion polymerization in the presence of a polymerizable fluorinated emulsifier to form a perfluorinated polymer. The polymerizable fluorinated emulsifier has the formula X2C?CX(CF2)m(CH2)n[O—(CX2)p]q—[O—(CX2)r]s?[O—(CX2—CX2)]t—[(O)w—(CX2)u]v—[CH2]z—Y. The method also provides for isolating the highly fluorinated polymer and post-fluorinating the isolated highly fluorinated polymer.Type: ApplicationFiled: January 11, 2016Publication date: May 5, 2016Inventors: Klaus Hintzer, Harald Kaspar, Herbert Koenigsmann, Helmut Traunspurger, Tilman C. Zipplies
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Patent number: 9260553Abstract: A method of making a highly fluorinated polymers and resulting aqueous mixtures. The method comprising polymerizing one or more perfluorinated monomers in an aqueous emulsion polymerization in the presence of a polymerizable fluorinated emulsifier to form a perfluorinated polymer. The polymerizable fluorinated emulsifier has the formula X2C?CX(CF2)m(CH2)n[O—(CX2)p]q—[O—(CX2)r]s—[O—(CX2—CX2)]t—[(O)w—(CX2)u]v—[CH2]z—Y. The method also provides for isolating the highly fluorinated polymer and post-fluorinating the isolated highly fluorinated polymer.Type: GrantFiled: November 21, 2013Date of Patent: February 16, 2016Assignee: 3M INNOVATIVE PROPERTIES COMPANYInventors: Klaus Hintzer, Harald Kaspar, Herbert Koenigsmann, Helmut Traunspurger, Tilman C. Zipplies
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Publication number: 20150291714Abstract: A method of making a partially fluorinated polymer dispersions and resulting aqueous mixtures. The method comprising polymerizing one or more fluorinated monomers in an aqueous emulsion polymerization in the presence of a polymerizable fluorinated emulsifier to form a fluorinated polymer. The polymerizable fluorinated emulsifier has the formula X2C?CX(CF2)m(CH2)n[0-(CX2)p]q-[O—(CX2)r]s—[O—(CX2—CX2)]t—[(O)w—(CX2)u]v-[CH2]z—Y.Type: ApplicationFiled: November 20, 2013Publication date: October 15, 2015Inventors: Klaus Hintzer, Harald Kaspar, Herbert Koenigsmann, Helmut Traunspurger, Tilman C. Zipplies
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Publication number: 20150274868Abstract: A method of making a highly fluorinated polymers and resulting aqueous mixtures. The method comprising polymerizing one or more perfluorinated monomers in an aqueous emulsion polymerization in the presence of a polymerizable fluorinated emulsifier to form a perfluorinated polymer. The polymerizable fluorinated emulsifier has the formula X2C?CX(CF2)m(CH2)n[O—(CX2)p]q—[O—(CX2)r]s—[O—(CX2—CX2)]t—[(O)w—(CX2)u]v—[CH2]z—Y. The method also provides for isolating the highly fluorinated polymer and post-fluorinating the isolated highly fluorinated polymer.Type: ApplicationFiled: November 21, 2013Publication date: October 1, 2015Inventors: Klaus Hintzer, Harald Kaspar, Herbert Koenigsmann, Helmut Traunspurger, Tilman C. Zipplies
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Patent number: 7728087Abstract: A method for polymerizing, in an aqueous medium, at least one fluorinated monomer in the presence of a non-copolymerizable, non-fluorinated surfactant. The surfactant is generally selected from a non-ionic surfactant, a primary anionic surfactant, or a combination thereof. Fluorinated surfactants are not utilized. The resulting partially fluorinated polymer in the aqueous medium is either a semi-crystalline polymer or a crystalline polymer.Type: GrantFiled: December 23, 2005Date of Patent: June 1, 2010Assignee: 3M Innovative Properties CompanyInventors: Klaus Hintzer, Harald Kaspar, Helmut Traunspurger, Tilman Zipplies
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Publication number: 20070149695Abstract: A method for polymerizing, in an aqueous medium, at least one fluorinated monomer in the presence of a non-copolymerizable, non-fluorinated surfactant. The surfactant is generally selected from a non-ionic surfactant, a primary anionic surfactant, or a combination thereof. Fluorinated surfactants are not utilized. The resulting partially fluorinated polymer in the aqueous medium is either a semi-crystalline polymer or a crystalline polymer.Type: ApplicationFiled: December 23, 2005Publication date: June 28, 2007Inventors: Klaus Hintzer, Harald Kaspar, Helmut Traunspurger, Tilman Zipplies