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: 8927669
    Abstract: 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: Grant
    Filed: January 5, 2007
    Date of Patent: January 6, 2015
    Assignee: BASF SE
    Inventors: Thomas Pfeiffer, Helmut Witteler, Frank Dietsche, Thomas Heidenfelder, Frank-Olaf Mähling, Andreas Fechtenkötter, Michael Ehle, Fabio Nicolini
  • Patent number: 8629227
    Abstract: Modified polyvinyllactams and their use.
    Type: Grant
    Filed: December 2, 2009
    Date of Patent: January 14, 2014
    Assignee: BASF SE
    Inventors: Frank Fischer, Ludger Wegmann, Michael Ehle, Stephan Bauer, Harald Meyer, Son Nguyen Kim
  • Patent number: 8063266
    Abstract: 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: Grant
    Filed: June 14, 2007
    Date of Patent: November 22, 2011
    Assignee: BASF Aktiengesellschaft
    Inventors: Wolfgang Heider, Jürgen Hofmann, Mariola Wanior, Rüdiger Funk, Ulrike Licht, Michael Ehle
  • Publication number: 20110248428
    Abstract: Modified polyvinyllactams and their use.
    Type: Application
    Filed: December 2, 2009
    Publication date: October 13, 2011
    Applicant: BASF SE
    Inventors: Frank Fischer, Ludger Wegmann, Michael Ehle, Stephan Bauer, Harald Meyer, Son Nguyen Kim
  • Publication number: 20100273015
    Abstract: 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: Application
    Filed: January 5, 2007
    Publication date: October 28, 2010
    Applicant: BASF SE
    Inventors: Thomas Pfeiffer, Helmut Witteler, Frank Dietsche, Thomas Heidenfelder, Frank-Olaf Mähling, Andreas Fechtenkötter, Michael Ehle, Fabio Nicolini
  • Publication number: 20100266792
    Abstract: 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: Application
    Filed: February 20, 2008
    Publication date: October 21, 2010
    Applicant: BASF SE
    Inventors: Heike Pfistner, Andreas Fechtenkötter, Thomas Pfeiffer, Wolfgang Kasel, Michael Ehle, Bernd Düttra, Michael Neuss
  • Publication number: 20100227179
    Abstract: 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: Application
    Filed: January 3, 2007
    Publication date: September 9, 2010
    Applicant: BASF SE
    Inventors: Thomas Pfeiffer, Helmut Witteler, Frank Dietsche, Thomas Heidenfelder, Frank-Olaf Mähling, Andreas Fechtenkötter, Michael Ehle, Fabio Nicolini
  • Patent number: 7511107
    Abstract: 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: Grant
    Filed: November 12, 2003
    Date of Patent: March 31, 2009
    Assignee: BASF Aktiengesellschaft
    Inventors: Andreas Fechtenkötter, Katrin Zeitz, Michael Ehle, Andreas Deckers, Wolfgang Kasel
  • Publication number: 20080300329
    Abstract: 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: Application
    Filed: July 14, 2005
    Publication date: December 4, 2008
    Applicant: BASF Aktiengesellschaft
    Inventors: Andreas Fechtenkotter, Michael Ehle, Stefan Frenzel
  • Publication number: 20080200604
    Abstract: 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: Application
    Filed: July 11, 2006
    Publication date: August 21, 2008
    Applicant: BASF AKTIENGESELLSCHAFT
    Inventors: Andreas Fechtenkotter, Bernd Duttra, Michael Ehle, Martin Scholtissek
  • Publication number: 20080152820
    Abstract: 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: Application
    Filed: February 24, 2006
    Publication date: June 26, 2008
    Applicant: BASF Aktiengesellschaft
    Inventors: Helmut Witteler, Ralf Friedrich, Walter Bertkau, Michael Ehle
  • Publication number: 20080015530
    Abstract: 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: Application
    Filed: June 14, 2007
    Publication date: January 17, 2008
    Applicant: BASF AKTIENGESELLSCHAFT
    Inventors: Wolfgang Heider, Jurgen Hofmann, Mariola Wanior, Rudiger Funk, Ulrike Licht, Michael Ehle
  • Patent number: 7250093
    Abstract: 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: Grant
    Filed: February 15, 2002
    Date of Patent: July 31, 2007
    Assignee: BASF Aktiengesellschaft
    Inventors: Wolfgang Heider, Jürgen Hofmann, Mariola Wanior, Rüdiger Funk, Ulrike Licht, Michael Ehle
  • Patent number: 7226489
    Abstract: 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: Grant
    Filed: November 19, 2002
    Date of Patent: June 5, 2007
    Assignee: ExxonMobil Research and Engineering Company
    Inventors: Simon Robert Kelemen, Michael Siskin, Kenneth Dale Rose, Harald Schwahn, Marco Bergemann, Michael Ehle, Peter Schreyer
  • Patent number: 7204863
    Abstract: 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: Grant
    Filed: November 19, 2002
    Date of Patent: April 17, 2007
    Assignee: ExxonMobil Research and Engineering Company
    Inventors: Simon Robert Kelemen, Michael Siskin, Kenneth Dale Rose, Harald Schwahn, Marco Bergemann, Michael Ehle, Peter Schreyer
  • Patent number: 7094827
    Abstract: 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: Grant
    Filed: April 8, 2003
    Date of Patent: August 22, 2006
    Assignee: BASF Aktiengesellschaft
    Inventors: Andreas Fechtenkötter, Lars Wittkowski, Katrin Zeitz, Michael Ehle, Siegfried Gast, Wolfgang Kasel, Andreas Deckers
  • Publication number: 20060124554
    Abstract: 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: Application
    Filed: June 8, 2004
    Publication date: June 15, 2006
    Applicant: BASF Aktiengesellschaft
    Inventors: Andreas Fechtenkotter, Andreas Deckers, Michael Ehle, Siegfried Gast, Wolfgang Kasel, Frank-Olaf Mahling, Wilhelm Weber, Walter Schneider
  • Publication number: 20050131131
    Abstract: 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: Application
    Filed: April 8, 2003
    Publication date: June 16, 2005
    Inventors: Andreas Fechtenkoetter, Lars Wittkowski, Katrin Zeitz, Michael Ehle, Siegfried Gast, Wolfgang Kasel, Andreas Deckers
  • Publication number: 20050101208
    Abstract: 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: Application
    Filed: February 15, 2002
    Publication date: May 12, 2005
    Inventors: Wolfgang Heider, Jürgen Hofmann, Mariola Wanior, Rüdiger Funk, Ulrike Licht, Michael Ehle
  • Publication number: 20050032948
    Abstract: 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: Application
    Filed: August 24, 2004
    Publication date: February 10, 2005
    Inventors: Andreas Fechtenkotter, Katrin Zeitz, Michael Ehle, Andreas Deckers, Stefan Becker