Patents by Inventor Heike Pfistner

Heike Pfistner 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: 9228106
    Abstract: An aqueous paint formulation having an aqueous basecoat and an aqueous dispersion having an at least partially neutralized ethylene copolymer wax, wherein the ethylene copolymer wax contains as comonomers in copolymerized form (A) 12-40 wt % of an ethylenically unsaturated carboxylic acid of formula (I), (B) 60-88 wt % of ethylene, and (C) 0-10 wt % of a further comonomer; or the ethylene copolymer was contains as comonomers in copolymerized form (A?) 5-50 wt % of a comonomer of formula (II), (B?) 50-95 wt % of ethylene, and (C?) 0-20 wt % of a further comonomer; wherein the ethylene copolymer wax comprising the comonomers (A), (B), and optionally (C) has a molecular weight Mw of 10000 to 150000 g/mol, and the ethylene copolymer wax comprising the comonomers (A?), (B?), and optionally (C?) has a molecular weight Mw of 5000 to 40000 g/mol.
    Type: Grant
    Filed: January 3, 2014
    Date of Patent: January 5, 2016
    Assignee: BASF SE
    Inventors: Szilard Csihony, Ivette Garcia Castro, Heike Pfistner, Eva Wagner, Pia Baum, Christian Hubert Weidl
  • Patent number: 9029310
    Abstract: The present invention relates to an enzyme composition comprising enzyme containing polymer particles, which is useful for detergent compositions, in particular for liquid detergent compositions. In these enzyme containing particles, the particles comprise i) at least one enzyme, and ii) at least one polymer P, which is selected from homo- and copolymers having a C—C-backbone, wherein the C—C-backbone carries carboxylgroups, which may be present in the acidic form or in the neutralized form, and wherein the C—C-backbone comprises hydrophobic repeating units.
    Type: Grant
    Filed: July 7, 2009
    Date of Patent: May 12, 2015
    Assignees: Basf Se, Novozymes A/S
    Inventors: Steffen Maas, Volker Schwendemann, Lidcay Herrera Taboada, Heike Pfistner, Dieter Boeckh, Ole Simonsen
  • Publication number: 20140116294
    Abstract: An aqueous paint formulation having an aqueous basecoat and an aqueous dispersion having an at least partially neutralized ethylene copolymer wax, wherein the ethylene copolymer wax contains as comonomers in copolymerized form (A) 12-40 wt % of an ethylenically unsaturated carboxylic acid of formula (I), (B) 60-88 wt % of ethylene, and (C) 0-10 wt % of a further comonomer; or the ethylene copolymer was contains as comonomers in copolymerized form (A?) 5-50 wt % of a comonomer of formula (II), (B?) 50-95 wt % of ethylene, and (C?) 0-20 wt % of a further comonomer; wherein the ethylene copolymer wax comprising the comonomers (A), (B), and optionally (C) has a molecular weight Mw of 10000 to 150000 g/mol, and the ethylene copolymer wax comprising the comonomers (A?), (B?), and optionally (C?) has a molecular weight Mw of 5000 to 40000 g/mol.
    Type: Application
    Filed: January 3, 2014
    Publication date: May 1, 2014
    Applicant: BASF SE
    Inventors: Szilard CSIHONY, Ivette Garcia Castro, Heike Pfistner, Eva Wagner, Pia Baum, Christian Hubert Weidl
  • Patent number: 8652247
    Abstract: An aqueous paint formulation having an aqueous basecoat and an aqueous dispersion having an at least partially neutralized ethylene copolymer wax, wherein the ethylene copolymer wax contains as comonomers in copolymerized form (A) 12-40 wt % of an ethylenically unsaturated carboxylic acid of formula (I), (B) 60-88 wt % of ethylene, and (C) 0-10 wt % of a further comonomer; or the ethylene copolymer was contains as comonomers in copolymerized form (A?) 5-50 wt % of a comonomer of formula (II), (B?) 50-95 wt % of ethylene, and (C?) 0-20 wt % of a further comonomer; wherein the ethylene copolymer wax comprising the comonomers (A), (B), and optionally (C) has a molecular weight Mw of 10000 to 150000 g/mol, and the ethylene copolymer wax comprising the comonomers (A?), (B?), and optionally (C?) has a molecular weight Mw of 5000 to 40000 g/mol.
    Type: Grant
    Filed: March 25, 2011
    Date of Patent: February 18, 2014
    Assignee: BASF SE
    Inventors: Szilard Csihony, Ivette Garcia Castro, Heike Pfistner, Eva Wagner, Pia Baum, Christian Hubert Weidl
  • Publication number: 20120231284
    Abstract: A method of coating surfaces of plastic or metal, which comprises treating the plastic or metal surface in question with an aqueous dispersion comprising (A) at least one ethylene copolymer having a molecular weight Mn in the range from 2000 to 20 000 g/mol, selected from ethylene copolymers comprising as comonomers in copolymerized form (a) 15.5% to 19.9% by weight of at least one ethylenically unsaturated C3-C10 carboxylic acid and (b) 80.1% to 84.5% by weight of ethylene, (B) at least one base, in one step and subsequently providing in at least one further step the metal or plastic surface in question with at least one further coat.
    Type: Application
    Filed: May 15, 2012
    Publication date: September 13, 2012
    Applicant: BASF SE
    Inventors: Heike Pfistner, Andreas Fechtenkötter, Frank-Olaf Mähling, Helmut Witteler, Frank Dietsche, Stefan Faßbender, Claudia Simon
  • Publication number: 20120130001
    Abstract: A method for producing composite materials which comprises in one step preparing modified cellulose fibers by treating (A) cellulose fibers with an aqueous emulsion of (B) at least one ethylene copolymer having a molecular weight Mn of up to 20 000 g/mol maximum and comprising as comonomers in incorporated form (a) 50% to 95% by weight of ethylene, (b) 5% to 50% by weight of at least one comonomer having at least one alkylated or cycloalkylated amino group which is connected via a spacer to a polymerizable group, (c) 0% to 30% by weight of other comonomers, and in a further step by mixing modified cellulose fibers with (C) at least one thermoplastic (D) and optionally one or more adjuvants.
    Type: Application
    Filed: August 3, 2010
    Publication date: May 24, 2012
    Inventors: Thomas Pfeiffer, Heike Pfistner, Szilard Csihony, Ivette Garcia Castro, Michael Neuss, Thomas Zelinski
  • Publication number: 20110253010
    Abstract: An aqueous paint formulation composed of an aqueous basecoat and an aqueous dispersion of an at least partially neutralized ethylene copolymer wax which is selected from ethylene copolymer waxes comprising as comonomers in copolymerized form: (A) 12% to 40% of an ethylenically unsaturated carboxylic acid of the formula I, where R1 and R2 are hydrogen and/or C1-C10alkyl; (B) 60% to 88% of ethylene; (C) 0% to 10% of a further comonomer; or (A?) 5% to 50% of a comonomer of the formula II where R1 and R2 are hydrogen and/or C1-C10alkyl, R3 is hydrogen, C1-C10alkyl and/or C3-C12cycloalkyl, where two radicals R3 may be joined to form a ring, X is oxygen, sulfur and/or N—R4, R4 is C1-C10alkyl or hydrogen, and A1 is a divalent group; (B?) 50% to 95% by weight of ethylene, and (C?) zero to 20% by weight of a further comonomer; where the ethylene copolymer waxes (A)(B)(C) and (A?)(B?)(C?) have a molecular weight 10 000 to 100 000 and 5000 to 40 000 g/mol, respectively; and the use thereo
    Type: Application
    Filed: March 25, 2011
    Publication date: October 20, 2011
    Applicant: BASF SE
    Inventors: Szilard CSIHONY, Ivette Garcia Castro, Heike Pfistner, Eva Wagner, Pia Baum, Christian Hubert Weidl
  • Publication number: 20110184129
    Abstract: Process for the continuous preparation of ethylene copolymers by free-radical copolymerization of ethylene and at least one comonomer (b) selected from among ethylenically unsaturated carboxylic acids, esters of ethylenically unsaturated carboxylic acids, ethylenically unsaturated phosphonic acids and esters of ethylenically unsaturated phosphonic acids, wherein one or more inhibitors are metered separately from ethylene and the comonomer or comonomers (b) into the reaction mixture.
    Type: Application
    Filed: May 15, 2007
    Publication date: July 28, 2011
    Applicant: BASF SE
    Inventors: Frank-Olaf Mähling, Thomas Pfeiffer, Wolfgang Kasel, Heike Pfistner
  • Publication number: 20110130318
    Abstract: The present invention relates to an enzyme composition comprising enzyme containing polymer particles, which is useful for detergent compositions, in particular for liquid detergent compositions. In these enzyme containing particles, the particles comprise i) at least one enzyme, and ii) at least one polymer P, which is selected from homo- and copolymers having a backbone, wherein the C—C-backbone carries carboxylgroups, which may be present in the acidic form or in the neutralized form, and wherein the C—C-backbone comprises hydrophobic repeating units.
    Type: Application
    Filed: July 7, 2009
    Publication date: June 2, 2011
    Applicants: BASF SE, Novozymes A/S
    Inventors: Steffen Maas, Volker Schwendemann, Lidcay Herrera Taboada, Heike Pfistner, Dieter Boeckh, Ole Simonsen
  • Publication number: 20110089075
    Abstract: A method of coating containers made of glass, polyethylene or polyester by treatment with a substantially paraffin-free aqueous formulation comprising (A) at least one acid-functional waxy copolymer selected from (A1) partially oxidized polyethylene waxes having an acid number in the range from 10 to 100 mg KOH/g, determined in accordance with DIN 53402, with (A2) copolymers having a melt flow rate (MFR) in the range from 1 to 50 g/10 min, measured at 160° C. under a load of 325 g in accordance with EN ISO 1133, which in copolymerized form comprise (a) 60% to 88% by weight of ethylene, (b) 12% to 40% by weight of at least one ethylenically unsaturated carboxylic acid, and which are at least partially neutralized with alkali metal or amine, (B) if desired, at least one nonionic or anionic surfactant, (C) if desired, at least one defoamer, (D) if desired, at least one organic amine, (E) if desired, at least one organic solvent.
    Type: Application
    Filed: May 11, 2009
    Publication date: April 21, 2011
    Applicant: BASF SE
    Inventors: Heike Pfistner, Hartmut Leininger, Bernd Düttra, Petra Neumann, Nicole Klöden
  • Publication number: 20100291231
    Abstract: The present invention relates to compositions which, in sprayable or form, are suitable as wound sealants for woody plants. The invention also relates to a method of protecting woody plants from infection with phytopathogenic fungi, in particular ESCA infection, using such wound sealants. These compositions comprise: a) a water-insoluble sealing agent in dissolved or dispersed form, which is selected among film-forming water-insoluble polymers, waxes and their mixtures; b) at least one plant protectant, c) at least one volatile diluent, in particular an aqueous diluent, and, if appropriate, d) at least one nonionic surface-active substance in an amount of from 10 to 100% by weight, in particular 10 to 80% by weight, based on the sealing agent.
    Type: Application
    Filed: September 23, 2008
    Publication date: November 18, 2010
    Applicant: BASF SE
    Inventors: Reinhold Stadler, Michael Vonend, Erich Birner, Heike Pfistner, Steffen Henkes, Michael Merk, Sven Harmsen, Egon Haden
  • 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: 20100178310
    Abstract: A formulation for the impregnation of non-living-materials, preferably textile materials, comprising at least a pesticide and a polymeric binder comprising as monomers at least ethylene and an unsaturated carboxylic acid, process for impregnating such materials and the use of such impregnated materials as mosquito-nets and for the protection of plants and other goods.
    Type: Application
    Filed: June 6, 2008
    Publication date: July 15, 2010
    Applicant: BASF SE
    Inventors: Ulrich Karl, Heike Pfistner
  • Publication number: 20090186231
    Abstract: A method of coating surfaces of plastic or metal, which comprises treating the plastic or metal surface in question with an aqueous dispersion comprising (A) at least one ethylene copolymer having a molecular weight Mn in the range from 2000 to 20 000 g/mol, selected from ethylene copolymers comprising as comonomers in copolymerized form (a) 15.5% to 19.9% by weight of at least one ethylenically unsaturated C3-C10 carboxylic acid and (b) 80.1% to 84.5% by weight of ethylene, (B) at least one base, in one step and subsequently providing in at least one further step the metal or plastic surface in question with at least one further coat.
    Type: Application
    Filed: May 22, 2007
    Publication date: July 23, 2009
    Applicant: BASF SE
    Inventors: Heike Pfistner, Andreas Fechtenkotter, Frank-Olaf Mähling, Helmut Witteler, Frank Dietsche, Stefan Fassbender, Claudia Simon
  • Publication number: 20080125549
    Abstract: A process for coupling a living carbocationic polymer by reacting two molecules of a living carbocationic polymer with a coupling agent, the coupling agent having the formula I: CR1R2?CR3-Zn—CR4?CR5R6 ??(I) wherein R1, R2, R3, R4, R5 and R6 are, independently from one another, hydrogen, alkyl, or alkenyl, or two of R1, R2, R3, R4, R5 and R6, together are alkylene or alkenylene, Z is CR7R8, R7 and R8 are, independently from one another, hydrogen or alkyl, and n is 0 or an integer from 1 to 5, with the proviso that, when R3 is hydrogen, both R1 and R2 are different from hydrogen, and, when R4 is hydrogen, both R5 and R6 are different from hydrogen. The process allows for the convenient preparation of ABA-type block copolymers and of telechelic polymers.
    Type: Application
    Filed: November 29, 2006
    Publication date: May 29, 2008
    Applicant: BASF Aktiengesellschaft
    Inventors: Judit E. PUSKAS, Szilard Csihony, Konrad Knoll, Heike Pfistner, Hans-Michael Walter