Patents by Inventor Herbert Koenigsmann
Herbert Koenigsmann 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: 20110034604Abstract: The invention provides a fluorinated surfactant having the general formula: [Rf—(O)t—CHF—(CF2)n—COO—]iXi+??(I) wherein Rf represents a partially or fully fluorinated aliphatic group optionally interrupted with one or more oxygen atoms, t is 0 or 1 and n is 0 or 1, Xi+ represents a cation having a valence i and i is 1, 2 or 3. The surfactant can be used in emulsion polymerization of fluoromonomers to prepare fluoropolymers.Type: ApplicationFiled: October 19, 2010Publication date: February 10, 2011Inventors: Klaus Hintzer, Michael Jürgens, Harald Kaspar, Herbert Königsmann, Andreas R. Maurer, Werner Schwertfeger, Tilman C. Zipplies
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Patent number: 7838608Abstract: The invention provides a fluorinated surfactant having the general formula: [Rf—(O)t—CHF—(CF2)n—COO—]iXi+??(I) wherein Rf represents a partially or fully fluorinated aliphatic group optionally interrupted with one or more oxygen atoms, t is 0 or 1 and n is 0 or 1, Xi+ represents a cation having a valence i and i is 1, 2 or 3. The surfactant can be used in emulsion polymerization of fluoromonomers to prepare fluoropolymers.Type: GrantFiled: December 19, 2006Date of Patent: November 23, 2010Assignee: 3M Innovative Properties CompanyInventors: Klaus Hintzer, Michael Jürgens, Harald Kaspar, Herbert Königsmann, Andreas R Maurer, Werner Schwertfeger, Tilman C. Zipplies
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Patent number: 7795332Abstract: A method for removing a fluorinated carboxylic acid or salt thereof from an aqueous liquid by contacting the aqueous liquid with adsorbent particles. The fluorinated carboxylic acid or salt thereof is selected from the group consisting of partially fluorinated carboxylic acids or salts thereof and fully fluorinated carboxylic acids or salts thereof.Type: GrantFiled: May 25, 2006Date of Patent: September 14, 2010Assignee: 3M Innovative Properties CompanyInventors: Klaus Hintzer, Michael Jürgens, Harald Kaspar, Herbert Koenigsmann, Kai Helmut Löchhaas, Andreas R. Maurer, Werner Schwertfeger, Tilman Zipplies, George G. I. Moore, Jay F. Schulz, Richard M. Flynn
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Patent number: 7754795Abstract: A coating composition having (i) an aqueous dispersion of fluoropolymer particles comprising a non-melt processible polymer of tetrafluoroethylene, (ii) a fluorinated surfactant, (iii) a non-ionic non-fluorinated surfactant and (iv) a non-fluorinated polymer, wherein the fluorinated surfactant is selected from fluorinated carboxylic acids or salts thereof of the general formula (I): [Rf—O-L-COO?]iXi+??(I) wherein L represents a linear partially or fully fluorinated alkylene group or an aliphatic hydrocarbon group, Rf represents a linear partially or fully fluorinated aliphatic group or a linear partially or fully fluorinated aliphatic group interrupted with one or more oxygen atoms, Xi+ represents a cation having the valence i and i is 1, 2 or 3.Type: GrantFiled: May 25, 2006Date of Patent: July 13, 2010Assignee: 3M Innovative Properties CompanyInventors: Klaus Hintzer, Michael Jürgens, Harald Kaspar, Herbert Koenigsmann, Kai Helmut Lochhaas, Andreas R. Maurer, Werner Schwertfeger, Tilman Zipplies, Ludwig Mayer, Michael C. Dadalas, George G. I. Moore, Jay F. Schulz, Richard M. Flynn
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Publication number: 20100113679Abstract: A method of making a fluoropolymer dispersion by first providing a fluoropolymer dispersion comprising fluoropolymer particles and one or more fluorinated surfactants selected from fluorinated carboxylic acids or salts thereof having the general formula: [Rf—O-L-COO?]iXi+??(I) wherein L represents a linear fully fluorinated alkylene group, Rf represents a linear partially or fully fluorinated aliphatic group or a linear partially or fully fluorinated aliphatic group interrupted with one oxygen atom, Xi+ represents a cation having the valence i and i is 1, 2 or 3; then adding one or more non-fluorinated surfactants selected from anionic and non-ionic surfactants followed by reducing the total amount of the one or more fluorinated surfactants to an amount of not more than 500 ppm, for example not more than 250 ppm based on the total weight of the dispersion while maintaining or increasing the amount of solids in the dispersion.Type: ApplicationFiled: January 8, 2010Publication date: May 6, 2010Inventors: Klaus Hintzer, Michael Jürgens, Harald Kaspar, Herbert Koenigsmann, Kai Helmut Lochhaas, Andreas R. Maurer, Werner Schwertfeger, Tilman Zipplies, Ludwig Mayer, Michael C. Dadalas, George G.I. Moore, Jay F. Schulz, Richard M. Flynn
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Patent number: 7671112Abstract: A method of making a fluoropolymer dispersion by first providing a fluoropolymer dispersion comprising fluoropolymer particles and one or more fluorinated surfactants selected from fluorinated carboxylic acids or salts thereof having the general formula: [Rf—O-L-COO?]iXi+??(I) wherein L represents a linear partially or fully fluorinated alkylene group or an aliphatic hydrocarbon group, Rf represents a linear partially or fully fluorinated aliphatic group or a linear partially or fully fluorinated aliphatic group interrupted with one or more oxygen atoms, Xi+ represents a cation having the valence i and i is 1, 2 or 3; then adding one or more non-fluorinated surfactants selected from anionic and non-ionic surfactants followed by reducing the total amount of the one or more fluorinated surfactants to an amount of not more than 500 ppm, for example not more than 250 ppm based on the total weight of the dispersion while maintaining or increasing the amount of solids in the dispersion.Type: GrantFiled: May 25, 2006Date of Patent: March 2, 2010Assignee: 3M Innovative Properties CompanyInventors: Klaus Hintzer, Michael Jürgens, Harald Kaspar, Herbert Koenigsmann, Kai Helmut Lochhaas, Andreas R. Maurer, Werner Schwertfeger, Tilman Zipplies, Ludwig Mayer, Michael C. Dadalas, George G. I. Moore, Jay F. Schulz, Richard M. Flynn
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Patent number: 7659333Abstract: The present invention provides a fluorinated surfactant having the general formula: [Rf—(O)t—CQH—CF2—O]n—R—G??(I) wherein Rf represents a partially or fully fluorinated aliphatic group optionally interrupted with one or more oxygen atoms, Q is CF3 or F, R is an aliphatic or aromatic hydrocarbon group, G represents a carboxylic or sulphonic acid or salt thereof, t is 0 or 1 and n is 1, 2 or 3. The surfactant is particularly useful in polymerizing fluorinated monomers in an aqueous emulsion polymerization.Type: GrantFiled: November 21, 2006Date of Patent: February 9, 2010Assignee: 3M Innovative Properties CompanyInventors: Klaus Hintzer, Michael Jürgens, Harald Kaspar, Herbert Königsmann, Kai Helmut Lochhaas, Andreas R. Maurer, Tilman C. Zipplies, Richard M. Flynn
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Publication number: 20070276068Abstract: A coating composition having (i) an aqueous dispersion of fluoropolymer particles comprising a non-melt processible polymer of tetrafluoroethylene, (ii) a fluorinated surfactant, (iii) a non-ionic non-fluorinated surfactant and (iv) a non-fluorinated polymer, wherein the fluorinated surfactant is selected from fluorinated carboxylic acids or salts thereof of the general formula (I): [Rf—O-L-COO?]iXi+ ??(I) wherein L represents a linear partially or fully fluorinated alkylene group or an aliphatic hydrocarbon group, Rf represents a linear partially or fully fluorinated aliphatic group or a linear partially or fully fluorinated aliphatic group interrupted with one or more oxygen atoms, Xi+ represents a cation having the valence i and i is 1, 2 or 3.Type: ApplicationFiled: May 25, 2006Publication date: November 29, 2007Inventors: Klaus Hintzer, Michael Jurgens, Harald Kaspar, Herbert Koenigsmann, Kai Helmut Lochhaas, Andreas R. Maurer, Werner Schwertfeger, Tilman Zipplies, Ludwig Mayer, Michael C. Dadalas, George G.I. Moore, Jay F. Schulz, Richard M. Flynn
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Publication number: 20070072985Abstract: The present invention provides a method of making a fluoropolymer comprising: (i) providing an aqueous dispersion of fluoropolymer particles by polymerizing one or more fluorinated olefins and optionally one or more fluorinated or non-fluorinated comonomers in an aqueous emulsion polymerization whereby the polymerization is initiated in the absence of a fluorinated surfactant and whereby no fluorinated surfactant is added during polymerization; (ii) recovering the fluoropolymer from the aqueous dispersion thereby obtaining said fluoropolymer and waste water; and (iii) contacting said waste water with an anion exchange resin; or alternatively to steps (ii) and (iii), contacting said aqueous dispersion with an anion exchange resin and subsequently separating said anion exchange resin from said aqueous dispersion.Type: ApplicationFiled: September 26, 2006Publication date: March 29, 2007Inventors: KLAUS HINTZER, Michael Jurgens, Haraid Kaspar, Herbert Koenigsmann, Kai Lochhaas, Andreas Maurer, Timan Zipplies
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Publication number: 20070025902Abstract: A process for the recovery of fluorinated carboxylic acid or derivative thereof from adsorbent particles on which fluorinated carboxylic acid or a salt thereof is adsorbed. The process includes contacting the adsorbent particles with a liquid composition capable of removing at least part of the fluorinated carboxylic acid or salt thereof from the adsorbent particles. The fluorinated carboxylic acid or salt thereof is selected from the group consisting of fluorinated carboxylic acids or salts thereof that correspond to the general formula: [RfO-L-COO?]iXi+??(I) wherein L represents a linear partially or fully fluorinated alkylene group or an aliphatic hydrocarbon group, Rf represents a linear partially or fully fluorinated aliphatic group or a linear partially or fully fluorinated aliphatic group interrupted with one or more oxygen atoms, Xi? represents a cation having the valence i and i is 1, 2 or 3.Type: ApplicationFiled: May 25, 2006Publication date: February 1, 2007Inventors: Klaus Hintzer, Michael Jurgens, Harald Kaspar, Herbert Koenigsmann, Kai Lochhaas, Andreas Maurer, Werner Schwertfeger, Tilman Zipplies, George Moore, Jay Schulz, Richard Flynn
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Publication number: 20070027251Abstract: A method for removing a fluorinated carboxylic acid or salt thereof from an aqueous liquid by contacting the aqueous liquid with adsorbent particles.Type: ApplicationFiled: May 25, 2006Publication date: February 1, 2007Inventors: Klaus Hintzer, Michael Jurgens, Harald Kaspar, Herbert Koenigsmann, Kai Lochhaas, Andreas Maurer, Werner Schwertfeger, Tilman Zipplies, George Moore, Jay Schulz, Richard Flynn
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Publication number: 20070015864Abstract: A method of making a fluoropolymer dispersion by first providing a fluoropolymer dispersion comprising fluoropolymer particles and one or more fluorinated surfactants selected from fluorinated carboxylic acids or salts thereof having the general formula: [Rf—O-L-COO?]iXi+??(I) wherein L represents a linear partially or fully fluorinated alkylene group or an aliphatic hydrocarbon group, Rf represents a linear partially or fully fluorinated aliphatic group or a linear partially or fully fluorinated aliphatic group interrupted with one or more oxygen atoms, Xi+ represents a cation having the valence i and i is 1, 2 or 3; Then adding one or more non-fluorinated surfactants selected from anionic and non-ionic surfactants followed by reducing the total amount of the one or more fluorinated surfactants to an amount of not more than 500 ppm, for example not more than 250 ppm based on the total weight of the dispersion while maintaining or increasing the amount of solids in the dispersion.Type: ApplicationFiled: May 25, 2006Publication date: January 18, 2007Inventors: Klaus Hintzer, Michael Jurgens, Harald Kaspar, Herbert Koenigsmann, Kai Lochhaas, Andreas Maurer, Werner Schwertfeger, Tilman Zipplies, Ludwig Mayer, Michael Dadalas, George Moore, Jay Schulz, Richard Flynn
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Publication number: 20070015937Abstract: A process for recovering a fluorinated carboxylic acid or salts thereof from exhaust gas streams. The process includes contacting the exhaust gas stream with a composition capable of at least partially removing the fluorinated carboxylic acid or salt thereof from the exhaust gas stream. The fluorinated carboxylic acid or salt thereof is selected from the group consisting of fluorinated carboxylic acids or salts thereof that correspond to the general formula: [Rf—O-L-COO?]iXi+??(I) wherein L represents a linear partially or fully fluorinated alkylene group or an aliphatic hydrocarbon group, Rf represents a linear partially or fully fluorinated aliphatic group or a linear partially or fully fluorinated aliphatic group interrupted with one or more oxygen atoms, Xi+ represents a cation having the valence i and i is 1, 2 or 3.Type: ApplicationFiled: May 25, 2006Publication date: January 18, 2007Inventors: Klaus Hintzer, Michael Jurgens, Harald Kaspar, Herbert Koenigsmann, Kai Lochhaas, Andreas Maurer, Werner Schwertfeger, Tilman Zipplies, George Moore, Jay Schulz, Richard Flynn