Patents by Inventor Jens Schrooten
Jens Schrooten 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: 20210230328Abstract: Method of reducing the amount of a fluorinated acid or its salts from a fluoropolymer, the method comprises: (i) providing a composition containing particles of the fluoropolymer, (ii) contacting the fluoropolymer particles with a treatment composition comprising at least one organic liquid; and, optionally, further comprising (iii) isolating, washing and subjecting the fluoropolymer to drying treatment, and wherein the fluoropolymer contains units derived from tetrafluoroethene (TFE) and is selected from the group of fluoroelastomers and the group of fluoropolymers having a melting point of less than 150° C. Also provided are fluoropolymer and compositions containing such polymers that are essentially free of fluorinated acids and their salts.Type: ApplicationFiled: May 8, 2019Publication date: July 29, 2021Inventors: Klaus Hintzer, Florian D. Jochum, Herbert Koenigsmann, Jens Schrooten, Tilman C. Zipplies, Karl D. Weilandt
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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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Publication number: 20210155790Abstract: A tetrafluoroethene copolymer having a melting point of from about 240° C. to 325° C., a melt flow index (MFI at 372° C. and 5 kg load) of 0.5-80 grams/10 minutes and having at least 70% by weight of units derived from tetrafluoroethene and further comprising units derived from at least one perfluorinated alkyl allyl ether (PAAE) comonomer corresponding to the general formula: CF2?CF—CF2—O—Rf (I) where Rf is a perfluorinated alkyl residue having from 1 to 10 carbon atoms and wherein the alkyl chain of the residue may be interrupted once or more than once by an oxygen atom and further, optionally, comprising units derived from perfluoromethyl vinyl ether (PMVE), perfluoroethyl vinyl ether (PEVE) and a combination thereof and wherein the content of units CA derived PAAEs and, optionally, PMVE, PEVE or a combination thereof, is at least 1.0% by weight.Type: ApplicationFiled: February 15, 2019Publication date: May 27, 2021Inventors: Klaus Hintzer, Harald Kaspar, Jens Schrooten, Tilman C. Zipplies, Florian Jochum, Michael C. Dadalas, Tatsuo Fukushi, Naiyong Jing, Karl D. Weilandt
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Patent number: 10844152Abstract: A copolymer having tetrafluoroethylene units and units independently represented by formula (I) in a range from 0.02 to 2 mole percent, based on the total amount of the copolymer. Rf is a linear or branched perfluoroalkyl group having from 1 to 8 carbon atoms and optionally interrupted by one or more —0— groups, n is independently from 1 to 6, and z is 0, 1, or 2. The copolymer has a melt flow index in a range from 20 grams per 10 minutes to 40 grams per 10 minutes. The copolymer can be extruded to make articles, such as insulated cables. A method of making the copolymer is also disclosed.Type: GrantFiled: February 12, 2016Date of Patent: November 24, 2020Assignee: 3M Innovative Properties CompanyInventors: Klaus Hintzer, Harald Kaspar, Kai H. Lochhaas, Jens Schrooten, Tilman C. Zipplies, Denis Duchesne
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Patent number: 10717795Abstract: A copolymer having tetrafluoroethylene units, hexafluoropropylene units, and units independently represented by formula in a range from 0.001 to 2 mole percent, based on the total amount of the copolymer. In these units, a is 0 or 1, each b is independently from 1 to 4, c is 0 to 4, d is 0 or 1, and e is 1 to 6. In the —SO2X groups, X is independently —F, —NH2, —OH, or —OZ, wherein Z is independently a metallic cation or a quaternary ammonium cation. The copolymer has a melt flow index in a range from 20 grams per 10 minutes to 40 grams per 10 minutes. The copolymer can be extruded to make articles, such as insulated cables. A method of making the copolymer is also disclosed.Type: GrantFiled: February 12, 2016Date of Patent: July 21, 2020Assignee: 3M Innovative Properties CompanyInventors: Denis Duchesne, Klaus Hintzer, Harald Kaspar, Kai H. Lochhaas, Jens Schrooten, Tilman C. Zipplies
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Patent number: 10676555Abstract: A copolymer having tetrafluoroethylene units and units independently represented by formula (I) in a range from 0.02 to 2 mole percent, based on the total amount of the copolymer. Rf is a linear or branched perfluoroalkyl group having from 1 to 8 carbon atoms and optionally interrupted by one or more —O— groups, each n is independently from 1 to 6, m is 0 or 1, and z is 0, 1, or 2. The copolymer has a melt flow index in a range from 20 grams per 10 minutes to 40 grams per 10 minutes and has in a range from 2 to 200 —SO2X groups per 106 carbon atoms and up to 100 unstable end groups per 106 carbon atoms. The copolymer can be extruded to make articles, such as insulated cables. A method of making the copolymer is also disclosed.Type: GrantFiled: February 12, 2016Date of Patent: June 9, 2020Assignee: 3M Innovative Properties CompanyInventors: Denis Duchesne, Klaus Hintzer, Harald Kaspar, Kai H. Lochhaas, Jens Schrooten, Tilman C. Zipplies
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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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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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Publication number: 20180057625Abstract: A copolymer having tetrafluoroethylene units and units independently represented by formula (I) in a range from 0.02 to 2 mole percent, based on the total amount of the copolymer. Rf is a linear or branched perfluoroalkyl group having from 1 to 8 carbon atoms and optionally interrupted by one or more —0— groups, n is independently from 1 to 6, and z is 0, 1, or 2. The copolymer has a melt flow index in a range from 20 grams per 10 minutes to 40 grams per 10 minutes. The copolymer can be extruded to make articles, such as insulated cables. A method of making the copolymer is also disclosed.Type: ApplicationFiled: February 12, 2016Publication date: March 1, 2018Inventors: Klaus Hintzer, Harald Kaspar, Kai H. Lochhaas, Jens Schrooten, Tilman C. Zipplies, Denis Duchesne
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Publication number: 20180030183Abstract: A copolymer having tetrafluoroethylene units and units independently represented by formula (I) in a range from 0.02 to 2 mole percent, based on the total amount of the copolymer. Rf is a linear or branched perfluoroalkyl group having from 1 to 8 carbon atoms and optionally interrupted by one or more —O— groups, each n is independently from 1 to 6, m is 0 or 1, and z is 0, 1, or 2. The copolymer has a melt flow index in a range from 20 grams per 10 minutes to 40 grams per 10 minutes and has in a range from 2 to 200 —SO2X groups per 106 carbon atoms and up to 100 unstable end groups per 106 carbon atoms. The copolymer can be extruded to make articles, such as insulated cables. A method of making the copolymer is also disclosed.Type: ApplicationFiled: February 12, 2016Publication date: February 1, 2018Inventors: Denis Duchesne, Klaus Hintzer, Harald Kaspar, Kai H. Lochhaas, Jens Schrooten, Tilman C. Zipplies
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Publication number: 20180016375Abstract: A copolymer having tetrafluoroethylene units, hexafluoropropylene units, and units independently represented by formula in a range from 0.001 to 2 mole percent, based on the total amount of the copolymer. In these units, a is 0 or 1, each b is independently from 1 to 4, c is 0 to 4, d is 0 or 1, and e is 1 to 6. In the —SO2X groups, X is independently —F, —NH2, —OH, or —OZ, wherein Z is independently a metallic cation or a quaternary ammonium cation. The copolymer has a melt flow index in a range from 20 grams per 10 minutes to 40 grams per 10 minutes. The copolymer can be extruded to make articles, such as insulated cables. A method of making the copolymer is also disclosed.Type: ApplicationFiled: February 12, 2016Publication date: January 18, 2018Inventors: Denis Duchesne, Klaus Hintzer, Harald Kaspar, Kai H. Lochhaas, Jens Schrooten, 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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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