Patents by Inventor Michael Ehle
Michael Ehle 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).
-
Patent number: 8927669Abstract: Copolymers comprising as comonomers in copolymerized form: (a) ethylene, (b) one or more compounds of the general formula I (c) if appropriate, one or more alkenylphosphonic diesters, (d) if appropriate, one or more other free-radically copolymerizable comonomers, whose variables are defined as follows: R1 is selected from hydrogen and unbranched and branched C1-C10-alkyl, R2 is selected from hydrogen and unbranched and branched C1-C10-alkyl, R3 is selected from hydrogen, phenyl, benzyl, and unbranched and branched C1-C10-alkyl and unbranched and branched hydroxy-C2-C10-alkyl, as free acid or partially or completely neutralized with alkali metal, alkaline earth metal, ammonia or organic amine.Type: GrantFiled: January 5, 2007Date of Patent: January 6, 2015Assignee: BASF SEInventors: Thomas Pfeiffer, Helmut Witteler, Frank Dietsche, Thomas Heidenfelder, Frank-Olaf Mähling, Andreas Fechtenkötter, Michael Ehle, Fabio Nicolini
-
Patent number: 8629227Abstract: Modified polyvinyllactams and their use.Type: GrantFiled: December 2, 2009Date of Patent: January 14, 2014Assignee: BASF SEInventors: Frank Fischer, Ludger Wegmann, Michael Ehle, Stephan Bauer, Harald Meyer, Son Nguyen Kim
-
Patent number: 8063266Abstract: A process for producing thin absorbent planar structures which may be used in hygiene products such as diapers, incontinence products, wound contact materials or sanitary napkins to absorb body fluids, comprises the steps of: A) producing a mixture of an adhesive in dispersion form and a particulate absorbent by fluidizing the components, B) applying the mixture of adhesive and absorbent uniformly to the surface of one side of a first planar backing material, C) one side of a second planar backing material is applied to the mixture of adhesive and absorbent that is present on the surface of one side of the first planar backing material, so producing a sandwichlike intermediate, and D) the sandwichlike intermediate is processed to the end product at a temperature of at least 90° C., a pressure of from 4 to 50 bar, and a pressing time of from 0.5 to 5 min.Type: GrantFiled: June 14, 2007Date of Patent: November 22, 2011Assignee: BASF AktiengesellschaftInventors: Wolfgang Heider, Jürgen Hofmann, Mariola Wanior, Rüdiger Funk, Ulrike Licht, Michael Ehle
-
Publication number: 20110248428Abstract: Modified polyvinyllactams and their use.Type: ApplicationFiled: December 2, 2009Publication date: October 13, 2011Applicant: BASF SEInventors: Frank Fischer, Ludger Wegmann, Michael Ehle, Stephan Bauer, Harald Meyer, Son Nguyen Kim
-
Publication number: 20100273015Abstract: Copolymers comprising as comonomers in copolymerized form: (a) ethylene, (b) one or more compounds of the general formula I (c) if appropriate, one or more alkenylphosphonic diesters, (d) if appropriate, one or more other free-radically copolymerizable comonomers, whose variables are defined as follows: R1 is selected from hydrogen and unbranched and branched C1-C10-alkyl, R2 is selected from hydrogen and unbranched and branched C1-C10-alkyl, R3 is selected from hydrogen, phenyl, benzyl, and unbranched and branched C1-C10-alkyl and unbranched and branched hydroxy-C2-C10-alkyl, as free acid or partially or completely neutralized with alkali metal, alkaline earth metal, ammonia or organic amine.Type: ApplicationFiled: January 5, 2007Publication date: October 28, 2010Applicant: BASF SEInventors: Thomas Pfeiffer, Helmut Witteler, Frank Dietsche, Thomas Heidenfelder, Frank-Olaf Mähling, Andreas Fechtenkötter, Michael Ehle, Fabio Nicolini
-
Publication number: 20100266792Abstract: Composite materials comprising at least one natural fiber, at least one thermoplastic polymer, and at least one random copolymer having a molar mass Mn of up to 20,000 g/mol. The random copolymer is produced from the copolymerization of ethylene and at least one comonomer. The comonomer is selected from the group consisting of ethylenically unsaturated C3-C10 monocarboxylic acids; ethylenically unsaturated C4-C10 dicarboxylic acids or their anhydrides; epoxy esters of ethylenically unsaturated C3-C10 monocarboxylic acids, and (b4) comonomers of the general formula I: wherein R1 and R2 are a hydrogen or an unbranched or branched C1-C10-alkyl; R3 is identical or different and is a hydrogen, unbranched and branched C1-C10-alkyl or C3-C12-cycloalkyl, where two radicals R3 may be bonded together to form a 3-10-membered ring; X is an oxygen, sulfur or N—R4; R4 is an unbranched or branched C1-C10-alkyl; and A1 is a divalent group selected from C1-C10-alkylene, C4-C10-cycyloalkylene, and phenylene.Type: ApplicationFiled: February 20, 2008Publication date: October 21, 2010Applicant: BASF SEInventors: Heike Pfistner, Andreas Fechtenkötter, Thomas Pfeiffer, Wolfgang Kasel, Michael Ehle, Bernd Düttra, Michael Neuss
-
Publication number: 20100227179Abstract: A method of treating surfaces using one or more than one copolymer (A) comprising as comonomers in copolymerized form: (a) ethylene, (b) one or more alkenylphosphonic diesters, (c) if appropriate, one or more other free-radically copolymerizable comonomers.Type: ApplicationFiled: January 3, 2007Publication date: September 9, 2010Applicant: BASF SEInventors: Thomas Pfeiffer, Helmut Witteler, Frank Dietsche, Thomas Heidenfelder, Frank-Olaf Mähling, Andreas Fechtenkötter, Michael Ehle, Fabio Nicolini
-
Patent number: 7511107Abstract: An ethylene terpolymer wax comprising from 40 to 95% by weight of units of ethylene, from 0.1 to 40% by weight of units of at least one anhydride of a C4-C10-dicarboxylic acid having at least one ethylenic C—C double bond, and from 0.1 to 40% by weight of units of at least one ester of the formula I where R1 is selected from hydrogen, C1-C10-alkyl, C3-C12-cycloalkyl or C6-C14-aryl and R2 is selected from C1-C10-alkyl, C3-C12-cycloalkyl or C6-C14-aryl, having a molecular weight Mw of up to 20000 g/mol.Type: GrantFiled: November 12, 2003Date of Patent: March 31, 2009Assignee: BASF AktiengesellschaftInventors: Andreas Fechtenkötter, Katrin Zeitz, Michael Ehle, Andreas Deckers, Wolfgang Kasel
-
Publication number: 20080300329Abstract: Modified open-cell foams with a density in the range from 5 to 1000 kg/m3 and with an average pore diameter in the range from 1 ?m to 1 mm, comprising an amount in the range from 1 to 2500% by weight based on the weight of the unmodified open-cell foam, of at least one polymer which is solid at room temperature and which contains carboxy groups and/or which contains carboxylic ester groups, and which has a molar mass Mn in the range from 1000 to 1000 000 g/mol.Type: ApplicationFiled: July 14, 2005Publication date: December 4, 2008Applicant: BASF AktiengesellschaftInventors: Andreas Fechtenkotter, Michael Ehle, Stefan Frenzel
-
Publication number: 20080200604Abstract: A method for coating surfaces using (A) at least one ethylene copolymer wax selected from those ethylene copolymer waxes which comprise, incorporated in the form of polymerized comonomers, (a) from 15 to 40% by weight of at least one ethylenically unsaturated carboxylic acid and (b) from 60 to 85% by weight of ethylene, and those ethylene copolymer waxes which comprise, incorporated in the form of polymerized units, (a?) from 14.5 to 39.9% by weight of at least one ethylenically unsaturated carboxylic acid, (b?) from 60 to 79.4% by weight of ethylene and (c?) from 0.1 to 15% by weight of an ester of an ethylenically unsaturated carboxylic acid, in each case in at least partly neutralized form, and (B) at least one further wax which differs from ethylene copolymer wax (A).Type: ApplicationFiled: July 11, 2006Publication date: August 21, 2008Applicant: BASF AKTIENGESELLSCHAFTInventors: Andreas Fechtenkotter, Bernd Duttra, Michael Ehle, Martin Scholtissek
-
Publication number: 20080152820Abstract: Peelable polymeric protective films on surfaces, in particular on metallic surfaces, which exhibit an oxygen gradient, and a process for producing such protective films. The films are particularly suitable for providing surfaces with temporary protection.Type: ApplicationFiled: February 24, 2006Publication date: June 26, 2008Applicant: BASF AktiengesellschaftInventors: Helmut Witteler, Ralf Friedrich, Walter Bertkau, Michael Ehle
-
Publication number: 20080015530Abstract: A process for producing thin absorbent planar structures which may be used in hygiene products such as diapers, incontinence products, wound contact materials or sanitary napkins to absorb body fluids, comprises the steps of: A) producing a mixture of an adhesive in dispersion form and a particulate absorbent by fluidizing the components, B) applying the mixture of adhesive and absorbent uniformly to the surface of one side of a first planar backing material, C) one side of a second planar backing material is applied to the mixture of adhesive and absorbent that is present on the surface of one side of the first planar backing material, so producing a sandwichlike intermediate, and D) the sandwichlike intermediate is processed to the end product at a temperature of at least 90° C., a pressure of from 4 to 50 bar, and a pressing time of from 0.5 to 5 min.Type: ApplicationFiled: June 14, 2007Publication date: January 17, 2008Applicant: BASF AKTIENGESELLSCHAFTInventors: Wolfgang Heider, Jurgen Hofmann, Mariola Wanior, Rudiger Funk, Ulrike Licht, Michael Ehle
-
Patent number: 7250093Abstract: A process for producing thin absorbent planar structures which may be used in hygiene products such as diapers, incontinence products, wound contact materials or sanitary napkins to absorb body fluids, comprises the steps of: A) producing a mixture of an adhesive in dispersion form and a particulate absorbent by fluidizing the components, B) applying the mixture of adhesive and absorbent uniformly to the surface of one side of a first planar backing material, C) one side of a second planar backing material is applied to the mixture of adhesive and absorbent that is present on the surface of one side of the first planar backing material, so producing a sandwichlike intermediate, and D) the sandwichlike intermediate is processed to the end product at a temperature of at least 90° C., a pressure of from 4 to 50 bar, and a pressing time of from 0.5 to 5 min.Type: GrantFiled: February 15, 2002Date of Patent: July 31, 2007Assignee: BASF AktiengesellschaftInventors: Wolfgang Heider, Jürgen Hofmann, Mariola Wanior, Rüdiger Funk, Ulrike Licht, Michael Ehle
-
Patent number: 7226489Abstract: Compositions and methods are disclosed for reducing combustion chamber deposits (CCD) and/or intake valve deposits (IVD) in spark ignition internal combustion engines. A succinic acid derivative (SAD) of this invention or a mixture with at least one additional component of this invention is added to a liquid hydrocarbon or liquid hydrocarbon-oxygenate gasoline each in an amount of about 0.0005–0.5 wt % of the gasoline. Preferably the gasoline is unleaded. The preferred additional components include polyethers (PE), polyolefin butyrolactam derivatives (BLD), butyrolactam alkoxylates (BLA), tridecanol alkoxylate derivatives (TAD) and polyisobutylene amine (PIBA).Type: GrantFiled: November 19, 2002Date of Patent: June 5, 2007Assignee: ExxonMobil Research and Engineering CompanyInventors: Simon Robert Kelemen, Michael Siskin, Kenneth Dale Rose, Harald Schwahn, Marco Bergemann, Michael Ehle, Peter Schreyer
-
Patent number: 7204863Abstract: Compositions and methods are disclosed for reducing combustion chamber deposits (CCD) and/or intake valve deposits (IVD) in spark ignition internal combustion engines. A butyrolactam alkoxylate (BLA) and/or a butyrolactam derivative (BLD) of this invention or a mixture with at least one additional compound of this invention is added to a liquid hydrocarbon or liquid hydrocarbon-oxygenate gasoline each in an amount of about 0.0005-0.5 wt % of the gasoline. Preferably the gasoline is unleaded. The preferred additional components include polyethers (PE) and polyisobutylene amine (PIBA).Type: GrantFiled: November 19, 2002Date of Patent: April 17, 2007Assignee: ExxonMobil Research and Engineering CompanyInventors: Simon Robert Kelemen, Michael Siskin, Kenneth Dale Rose, Harald Schwahn, Marco Bergemann, Michael Ehle, Peter Schreyer
-
Patent number: 7094827Abstract: The invention relates to a method for producing thixotropic agents containing 0.1–30 wt.-% of at least one ethylene terpolymer wax, 5–7 wt.-% of at least one solvent, which is incompatible with the ethylene terpolymer wax, 5–85 wt.-% of of at least one solvent which is compatible with the ethylene terpolymer wax and with one or more of the first-named solvents.Type: GrantFiled: April 8, 2003Date of Patent: August 22, 2006Assignee: BASF AktiengesellschaftInventors: Andreas Fechtenkötter, Lars Wittkowski, Katrin Zeitz, Michael Ehle, Siegfried Gast, Wolfgang Kasel, Andreas Deckers
-
Publication number: 20060124554Abstract: Use of aqueous dispersions comprising at least one at least partially neutralized ethylene copolymer wax selected from among ethylene copolymer waxes which comprise, as comonomers in copolymerized form, (A) from 26.1 to 39% by weight of at least one ethylenically unsaturated carboxylic acid and (B) from 61 to 73.9% by weight of ethylene, ?and ethylene copolymer waxes which comprise, in copolymerized form, (A?) from 20.5 to 38.9% by weight of at least one ethylenically unsaturated carboxylic acid, (B?) from 60 to 79.4% by weight of ethylene and (C?) from 0.1 to 15% by weight of at least one ethylenically unsaturated carboxylic ester, as auxiliaries for wastewater treatment.Type: ApplicationFiled: June 8, 2004Publication date: June 15, 2006Applicant: BASF AktiengesellschaftInventors: Andreas Fechtenkotter, Andreas Deckers, Michael Ehle, Siegfried Gast, Wolfgang Kasel, Frank-Olaf Mahling, Wilhelm Weber, Walter Schneider
-
Publication number: 20050131131Abstract: A process for preparing thixotropic agents comprising from 0.1 to 30% by weight of at least one ethylene terpolymer wax, from 5 to 70% by weight of at least one first solvent incompatible with the ethylene terpolymer wax, and from 5 to 85% by weight of at least one solvent compatible with the ethylene terpolymer wax and with said first solvent(s).Type: ApplicationFiled: April 8, 2003Publication date: June 16, 2005Inventors: Andreas Fechtenkoetter, Lars Wittkowski, Katrin Zeitz, Michael Ehle, Siegfried Gast, Wolfgang Kasel, Andreas Deckers
-
Publication number: 20050101208Abstract: A process for producing thin absorbent planar structures which may be used in hygiene products such as diapers, incontinence products, wound contact materials or sanitary napkins to absorb body fluids, comprises the steps of: A) producing a mixture of an adhesive in dispersion form and a particulate absorbent by fluidizing the components, B) applying the mixture of adhesive and absorbent uniformly to the surface of one side of a first planar backing material, C) one side of a second planar backing material is applied to the mixture of adhesive and absorbent that is present on the surface of one side of the first planar backing material, so producing a sandwichlike intermediate, and D) the sandwichlike intermediate is processed to the end product at a temperature of at least 90° C., a pressure of from 4 to 50 bar, and a pressing time of from 0.5 to 5 min.Type: ApplicationFiled: February 15, 2002Publication date: May 12, 2005Inventors: Wolfgang Heider, Jürgen Hofmann, Mariola Wanior, Rüdiger Funk, Ulrike Licht, Michael Ehle
-
Publication number: 20050032948Abstract: An ethylene terpolymer wax comprising, as monomer building blocks, from 35 to 95% by weight of ethylene, from 0.1 to 40% by weight of at least one ester of the formula I where R1 is selected from hydrogen, C1-C10-alkyl, C3-C12-cycloalkyl and C6-C14-aryl R2 are identical or different and are selected from hydrogen and C1-C10-alkyl, R3 is selected from C1-C10-alkyl, C3-C12-cycloalkyl and C6-C14-aryl and n is an integer from 2 to 100, and from 0.1 to 25% by weight of at least one carboxylic acid of the formula II where R4 is selected from hydrogen, C1-C10-alkyl, C3-C12-cycloalkyl and C6-C14-aryl.Type: ApplicationFiled: August 24, 2004Publication date: February 10, 2005Inventors: Andreas Fechtenkotter, Katrin Zeitz, Michael Ehle, Andreas Deckers, Stefan Becker