Patents by Inventor Friedrich Kloos
Friedrich Kloos 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: 8598267Abstract: The present invention provides a fluoropolymer dispersion comprising fluoropolymer particles having an average particle size of 10 to 400 nm dispersed in water whereby the dispersion is free of fluorinated surfactant having a molecular weight of less than 1000 g/mol or contains the fluorinated surfactant having a molecular weight of less than 1000 g/mol in an amount of not more than 0.025% by weight based on the total weight of solids in the dispersion. The dispersion further comprises a non-ionic surfactant and an anionic surfactant selected from fluorinated anionic surfactants having a molecular weight of at least 1000 g/mol, non-fluorinated anionic surfactants and mixtures thereof.Type: GrantFiled: September 7, 2007Date of Patent: December 3, 2013Assignee: 3M Innovative Properties CompanyInventors: Michael C. Dadalas, Rebekka Epsch, Friedrich Kloos, Leonard W. Harvey
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Publication number: 20080287599Abstract: The present invention provides a fluoropolymer dispersion comprising fluoropolymer particles having an average particle size of 10 to 400 nm dispersed in water whereby the dispersion is free of fluorinated surfactant having a molecular weight of less than 1000 g/mol or contains the fluorinated surfactant having a molecular weight of less than 1000 g/mol in an amount of not more than 0.025% by weight based on the total weight of solids in the dispersion. The dispersion further comprises a non-ionic surfactant and an anionic surfactant selected from fluorinated anionic surfactants having a molecular weight of at least 1000 g/mol, non-fluorinated anionic surfactants and mixtures thereof.Type: ApplicationFiled: September 7, 2007Publication date: November 20, 2008Inventors: Michael C. Dadalas, Rebekka Epsch, Friedrich Kloos, Leonard W. Harvey
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Patent number: 7279522Abstract: The present invention provides a fluoropolymer dispersion comprising fluoropolymer particles having an average particle size of 10 to 400 nm dispersed in water whereby the dispersion is free of fluorinated surfactant having a molecular weight of less than 1000 g/mol or contains the fluorinated surfactant having a molecular weight of less than 1000 g/mol in an amount of not more than 0.025% by weight based on the total weight of solids in the dispersion. The dispersion further comprises a non-ionic surfactant and an anionic surfactant selected from fluorinated anionic surfactants having a molecular weight of at least 1000 g/mol, non-fluorinated anionic surfactants and mixtures thereof.Type: GrantFiled: August 6, 2002Date of Patent: October 9, 2007Assignee: 3M Innovative Properties CompanyInventors: Michael C. Dadalas, Rebekka Epsch, Friedrich Kloos, Leonard W. Harvey
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Patent number: 7060772Abstract: A fluoropolymer having a melting point of at least 160° C. is provided wherein the fluoropolymer is derived from tetrafluoroethylene as the major component, one or more perfluoro vinyl ethers as the minor component, the perfluoro vinyl ether having the formula CF2?CFO(CF2)nORf wherein n is from 2 to 6 and Rf is a perfluoroalkyl group having 1 to 6 carbon atoms, and optionally a perfluoro alkyl vinyl ether having from 1 to 5 carbon atoms in the alkyl radical.Type: GrantFiled: September 20, 2001Date of Patent: June 13, 2006Assignee: 3M Innovative Properties CompanyInventors: Klaus Hintzer, Ralph Kaulbach, Friedrich Kloos, Werner Schwertfeger
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Patent number: 6984697Abstract: The invention provides a fluorothermoplastic composition comprising interpolymerized units derived from about 94 to about 97.5 mole percent (mol %) tetrafluoroethylene (TFE), about 2 to about 3 mol % perfluoro (propyl vinyl ether) (PPVE), and about 0.5 to about 3 mol % hexafluoropropylene (HFP). The invention also provides a fluorothermoplastic composition comprising interpolymerized units derived from about 94 to about 97 mol % TFE, about 0.75 to about 3 mol % PPVE, and about 1.5 to about 3.5 mol % HFP. These fluorothermoplastic compositions have a flex life that fits the equation: log(flex life cycles)?0.71+4.0*(MFI(?0.294)), a method of making fluorothermoplastic compositions, a method of improving stress crack resistance, and fluorothermoplastic articles.Type: GrantFiled: October 7, 2003Date of Patent: January 10, 2006Assignee: 3M Innovative Properties CompanyInventors: Thomas J. Blong, Lisa P. Chen, Ralph Kaulbach, Friedrich Kloos, Georg Burkard
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Publication number: 20050129845Abstract: The invention provides a layer of fluoropolymer having dispersed therein infrared absorbing particles as a low emissivity layer to reduce the amount of cooling or heating required to maintain a desired temperature for an interior space. The invention also provides a low emittance article comprising a substrate having on at least one major surface thereof at least two layers, the outermost layer of which comprises a fluoropolymer and IR-absorbing particles in the form of flakes distributed in the outermost layer. The invention further provides a composition for producing a low emissivity coating, the composition comprising a dispersion of a fluoropolymer and IR-absorbing particles in the form of flakes. The invention also provides a process for reducing the amount of cooling or heating that is required to maintain a desired temperature for an interior space.Type: ApplicationFiled: February 3, 2005Publication date: June 16, 2005Inventors: Michael Dadalas, Friedrich Kloos, Christian Gaag, Hermann Reiter
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Publication number: 20040186219Abstract: The present invention provides a fluoropolymer dispersion comprising fluoropolymer particles having an average particle size of 10 to 400 nm dispersed in water whereby the dispersion is free of fluorinated surfactant having a molecular weight of less than 1000 g/mol or contains the fluorinated surfactant having a molecular weight of less than 1000 g/mol in an amount of not more than 0.025% by weight based on the total weight of solids in the dispersion. The dispersion further comprises a non-ionic surfactant and an anionic surfactant selected from fluorinated anionic surfactants having a molecular weight of at least 1000 g/mol, non-fluorinated anionic surfactants and mixtures thereof.Type: ApplicationFiled: February 13, 2004Publication date: September 23, 2004Inventors: Michael C. Dadalas, Rebekka Epsch, Friedrich Kloos, Leonard W. Harvey
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Publication number: 20040143052Abstract: The present invention provides an aqueous fluoropolymer dispersion comprising a melt processible fluoropolymer in an amount of at least 25% by weight based on the weight of the aqueous fluoropolymer dispersion and a fluorinated surfactant having a molecular weight of not more than 1000 g/mol in an amount of not more than 100 ppm, preferably less than 50 ppm, more preferably less than 25 ppm and most preferably less than 10 ppm based on the weight of fluoropolymer solids or being free of said fluorinated surfactant. The aqueous fluoropolymer dispersion has a conductivity of at least 200 82 S/cm, preferably at least 500 &mgr;S/cm and more preferably at least 1000 &mgr;S/cm.Type: ApplicationFiled: December 1, 2003Publication date: July 22, 2004Applicant: 3M Innovative Properties CompanyInventors: Rebekka Epsch, Friedrich Kloos, Gernot Lohr
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Patent number: 6734254Abstract: Provided is a co-curable blend comprising (a) a fluoroplastic comprising (i) bromine atoms, iodine atoms, and combinations thereof, and (ii) units derived from a fluorinated monomer, and a peroxide curable fluoroelastomer gum. The invention also provides a composition comprising a fluoroplastic comprising (i) bromine atoms, iodine atoms, and combinations thereof and (ii) units derived from a fluorinated monomer, peroxide curable fluoroelastomer gum, a peroxide curative, and optionally a coagent. The fluoroplastic has an MFI no greater than 5 g/10 min., and/or an average particle size greater than 100 nm. The invention also provides a method of making a fluoropolymer blend and cured articles.Type: GrantFiled: January 13, 2003Date of Patent: May 11, 2004Assignee: 3M Innovative Properties CompanyInventors: Allan T. Worm, William D. Coggio, Ralph Kaulbach, Friedrich Kloos
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Publication number: 20040072935Abstract: The invention provides a fluorothermoplastic composition comprising interpolymerized units derived from about 94 to about 97.5 mole percent (mol %) tetrafluoroethylene (TFE), about 2 to about 3 mol % perfluoro (propyl vinyl ether) (PPVE), and about 0.5 to about 3 mol % hexafluoropropylene (HFP). The invention also provides a fluorothermoplastic composition comprising interpolymerized units derived from about 94 to about 97 mol % TFE, about 0.75 to about 3 mol % PPVE, and about 1.5 to about 3.5 mol % HFP.Type: ApplicationFiled: October 7, 2003Publication date: April 15, 2004Applicant: 3M Innovative Properties CompanyInventors: Thomas J. Blong, Lisa P. Chen, Ralph Kaulbach, Friedrich Kloos, Georg Burkard
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Patent number: 6713141Abstract: A low-molecular-weight copolymer of tetrafluoroethylene with units of perfluoro alkyl vinyl ethers having a melt index of ≧30 suitable as a mixing component with a higher-molecular-weight copolymer of the same monomers for producing moldings in injection molding or by extrusion.Type: GrantFiled: July 17, 2001Date of Patent: March 30, 2004Assignee: 3M Innovative Properties CompanyzInventors: Ralph Kaulbach, Friedrich Kloos, Gernot Löhr, Peter Stamprech
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Patent number: 6696526Abstract: A low-molecular-weight copolymer of tetrafluoroethylene with units of perfluoro alkyl vinyl ethers having a melt index of ≧30 suitable as a mixing component with a higher-molecular-weight copolymer of the same monomers for producing moldings in injection molding or by extrusion.Type: GrantFiled: April 10, 1998Date of Patent: February 24, 2004Assignee: 3M Innovative Properties CompanyInventors: Ralph Kaulbach, Friedrich Kloos, Gernot Löhr, Peter Stamprech
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Publication number: 20040024155Abstract: A fluoropolymer having a melting point of at least 160° C. is provided wherein the fluoropolymer is derived from tetrafluoroethylene as the major component, one or more perfluoro vinyl ethers as the minor component, the perfluoro vinyl ether having the formula CF2═CFO(CF2)nORf wherein n is from 2 to 6 and Rf is a perfluoroalkyl group having 1 to 6 carbon atoms, and optionally a perfluoro alkyl vinyl ether having from 1 to 5 carbon atoms in the alkyl radical.Type: ApplicationFiled: February 28, 2003Publication date: February 5, 2004Inventors: Klaus Hintzer, Ralph Kaulbach, Friedrich Kloos, Werner Schwertfeger
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Publication number: 20040013868Abstract: The invention provides a layer of fluoropolymer having dispersed therein infrared absorbing particles as a low emissivity layer to reduce the amount of cooling or heating required to maintain a desired temperature for an interior space. The invention also provides a low emittance article comprising a substrate having on at least one major surface thereof at least two layers, the outermost layer of which comprises a fluoropolymer and IR-absorbing particles in the form of flakes distributed in the outermost layer. The invention further provides a composition for producing a low emissivity coating, the composition comprising a dispersion of a fluoropolymer and IR-absorbing particles in the form of flakes.Type: ApplicationFiled: January 21, 2003Publication date: January 22, 2004Inventors: Michael Dadalas, Friedrich Kloos, Christian Gaag, Hermann Reiter
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Patent number: 6653379Abstract: The invention provides a fluorothermoplastic composition comprising interpolymerized units derived from about 94 to about 97.5 mole percent (mol %) tetrafluoroethylene (TFE), about 2 to about 3 mol % perfluoro (propyl vinyl ether) (PPVE), and about 0.5 to about 3 mol % hexafluoropropylene (HFP). The invention also provides a fluorothermoplastic composition comprising interpolymerized units derived from about 94 to about 97 mol % TFE, about 0.75 to about 3 mol % PPVE, and about 1.5 to about 3.5 mol % HFP. These fluorothermoplastic compositions have a flex life that fits the equation: log(flex life cycles)≧0.71+4.0*(MFI(−0.294)), a method of making fluorothermoplastic compositions, a method of improving stress crack resistance, and fluorothermoplastic articles.Type: GrantFiled: July 12, 2001Date of Patent: November 25, 2003Assignee: 3M Innovative Properties CompanyInventors: Thomas J. Blong, Lisa P. Chen, Ralph Kaulbach, Friedrich Kloos, Georg Burkard
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Patent number: 6623680Abstract: A tetrafluoroethylene/hexafluoropropylene copolymer with high drawability is provided. Also provided is a process employing the polymer and an article coated with the polymer.Type: GrantFiled: January 31, 2003Date of Patent: September 23, 2003Assignee: 3M Innovative Properties CompanyInventors: Ralph Kaulbach, Albert Killich, Friedrich Kloos, Gernot Loehr, Ludwig Mayer, Erik Peters, Thomas J. Blong, Denis Duchesne
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Publication number: 20030130459Abstract: A tetrafluoroethylene/hexafluoropropylene copolymer with high drawability is provided. Also provided is a process employing the polymer and an article coated with the polymer.Type: ApplicationFiled: January 31, 2003Publication date: July 10, 2003Applicant: 3M Innovative Properties CompanyInventors: Ralph Kaulbach, Albert Killich, Friedrich Kloos, Gernot Loehr, Ludwig Mayer, Erik Peters, Thomas J. Blong, Denis Duchesne
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Patent number: 6583226Abstract: Provided is a melt-processible perfluorinated polymer composition comprising (a) a melt-processible perfluoropolymer comprising (i) from 80 to 98% by weight of repeating units derived from tetrafluoroethylene, (ii) from 2 to 20% by weight of repeating units derived from hexafluoropropylene, and (iii) from 0 to 5% by weight of repeating units derived from further comonomers other than tetrafluoroethylene and hexafluoropropylene, and wherein the proportion by weight of the repeating units derived from hexafluoropropylene units is greater than that of the repeating units of said further comonomers, and (b) from 0.01 to 5% by weight, based on perfluoropolymer (a), of a high-molecular-weight perfluorinated polymer with a melting point at least 20° C. above that of the fluoropolymer (a). Also provided are processes for making and using such melt-processable compositions.Type: GrantFiled: December 10, 2001Date of Patent: June 24, 2003Assignee: 3M Innovative Properties CompanyInventors: Ralph Kaulbach, Friedrich Kloos
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Publication number: 20030102593Abstract: Provided is a melt-processible perfluorinated polymer composition comprising (a) a melt-processible perfluoropolymer comprising (i) from 80 to 98% by weight of repeating units derived from tetrafluoroethylene, (ii) from 2 to 20% by weight of repeating units derived from hexafluoropropylene, and (iii) from 0 to 5% by weight of repeating units derived from further comonomers other than tetrafluoroethylene and hexafluoropropylene, and wherein the proportion by weight of the repeating units derived from hexafluoropropylene units is greater than that of the repeating units of said further comonomers, and (b) from 0.01 to 5% by weight, based on perfluoropolymer (a), of a high-molecular-weight perfluorinated polymer with a melting point at least 20° C. above that of the fluoropolymer (a). Also provided are processes for making and using such melt-processable compositions.Type: ApplicationFiled: December 10, 2001Publication date: June 5, 2003Inventors: Ralph Kaulbach, Friedrich Kloos
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Patent number: RE40902Abstract: A tetrafluoroethylene/hexafluoropropylene copolymer with high drawability is provided. Also provided is a process employing the polymer and an article coated with the polymer.Type: GrantFiled: October 31, 2007Date of Patent: September 1, 2009Assignee: 3M Innovative Properties CompanyInventors: Ralph Kaulbach, Albert Killich, Friedrich Kloos, Gernot Loehr, Ludwig Mayer, Erik Peters, Thomas J. Blong, Denis Duchesne