Patents by Inventor Stefan Frenzel

Stefan Frenzel 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).

  • Publication number: 20080214804
    Abstract: The present invention relates to an improved process for extracting and subsequently isolating components from biological material, in particular sugar beets.
    Type: Application
    Filed: March 15, 2006
    Publication date: September 4, 2008
    Inventors: Jochen Arnold, Stefan Frenzel, Thomas Michelberger
  • Publication number: 20080194714
    Abstract: The present invention relates to a process for the production of workpieces, wherein (a) pieces of open-cell aminoplast foam having an average diameter in the range from 50 ?m to 5 mm (weight average) (b) are mixed with at least one film-forming polymer, subjected to a shape-imparting step and then dried.
    Type: Application
    Filed: May 30, 2006
    Publication date: August 14, 2008
    Applicant: BASF Aktiengesellschaft
    Inventors: Christof Mock, Gunnar Schornick, Stefan Frenzel, Moritz Ehrenstein, Andreas Fechtenkotter, Antje Ziemer
  • Publication number: 20080194706
    Abstract: Modified open-cell foams and method for the production thereof Process for production of modified open-cell foams, which comprises bringing the following materials into contact (a) open-cell foams with density in the range from 5 to 500 kg/m3 and average pore diameter in the range from 1 ?m to 1 mm, and (b) aqueous formulation of at least one compound having at least one hemiaminal or aminal group per molecule, or at least one copolymer comprising at least one copolymerized OH-containing or ?-dicarbonyl-containing or epoxy-containing comonomer.
    Type: Application
    Filed: November 26, 2005
    Publication date: August 14, 2008
    Applicant: BASF Aktiengesellschaft
    Inventors: Ulrich Karl, Stefan Frenzel, Volker Schwendemann, Ulrich Steinbrenner, Hartmut Leininger
  • Publication number: 20080153931
    Abstract: The invention relates to the use of nondendrimeric, highly functional, hyperbranched polymers as demulsifiers for breaking crude oil emulsions. The hyperbranched polymers are preferably hyperbranched polycarbonates, hyperbranched polyesters, hyperbranched polyethers, hyperbranched polyurethanes, hyperbranched polyureapolyurethanes, hyperbranched polyureas, hyperbranched polyamides, hyperbranched polyetheramines and hyperbranched polyesteramides which are functional groups selected from the group consisting of —OC(O)OR, —COOH, —COOR, —CONHR, —CONH2, —OH, —SH, —NH2, —NHR, —NR2, —SO3H, —SO3R, —NHCOOR, —NHCONH2 and —NHCONHR, where R is an optionally substituted alkyl or aryl radical.
    Type: Application
    Filed: February 2, 2006
    Publication date: June 26, 2008
    Applicant: BASF Aktiengesellschaft
    Inventors: Bernd Bruchmann, Karl-Heinz Buchner, Marcus Guzmann, Gregor Brodt, Stefan Frenzel
  • Publication number: 20080149137
    Abstract: A method for cleaning surfaces using aminoplast foam pieces produced from (a) open-cell aminoplast foams having a density in the range from 5 to 500 kg/m3 and a mean pore diameter in the range from 1 ?m to 1 mm or (b) open-cell aminoplast foams having a density in the range from 5 to 500 kg/m3 and a mean pore diameter in the range from 1 ?m to 1 mm, which have been treated (b1) with an aqueous formulation of at least one compound (b-1) having at least one hemiaminal or aminal group per molecule or at least one copolymer which comprises, incorporated in the form of polymerized units, at least one comonomer containing OH groups or ?-dicarbonyl groups or epoxide groups, or (b2) with at least one polymer (c-1) which is solid at room temperature, contains carboxyl groups and/or carboxylic ester groups and has a molecular weight Mn in the range from 1000 to 1 000 000 g/mol, the aminoplast foam pieces used having an average diameter in the range from 0.1 mm to 50 mm.
    Type: Application
    Filed: January 19, 2006
    Publication date: June 26, 2008
    Applicant: BASF Aktiengesellschaft
    Inventors: Ulrich Steinbrenner, Christof Mock, Gunnar Schornick, Stefan Frenzel, Moritz Ehrenstein, Andreas Fechtenkotter, Antje Ziemer, Kathrin Michl, Christian Hubert Weidl
  • Publication number: 20080139433
    Abstract: Mixtures comprising (a) pieces of open-cell aminoplastic foam with an average diameter in the range from 50 ?m to 5 mm (weight-average), (b) water, (c) at least one surfactant and (d) if appropriate an oil or fat phase.
    Type: Application
    Filed: January 23, 2006
    Publication date: June 12, 2008
    Applicant: BASF Aktiengesellschaft
    Inventors: Christof Mock, Gunnar Schornick, Stefan Frenzel, Moritz Ehrenstein, Ernst Jurgen Bauer, Antje Ziemer, Hans-Peter Seelmann-Eggebert
  • Publication number: 20080060637
    Abstract: The present invention relates to a method and an installation for improving isolation and extraction of constituents from sugar beets (Beta vulgaris).
    Type: Application
    Filed: May 3, 2005
    Publication date: March 13, 2008
    Applicant: SUDZUCKER AKTIENGESELLSCHAFT, MANNHEIM/OCHSENFURT
    Inventors: Jochen Arnold, Stefan Frenzel, Thomas Michelberger, Timo Scheuer
  • Patent number: 7316994
    Abstract: Perfume polymeric particles, polymeric particles having affinities for certain perfume raw materials, compositions containing them and methods for making the same are provided.
    Type: Grant
    Filed: October 28, 2003
    Date of Patent: January 8, 2008
    Assignee: The Procter & Gamble Company
    Inventors: Glenn Thomas Jordan, IV, Bernard William Kluesener, Mark Robert Sivik, Vicente Santamarina, Robert Richard Dykstra, Nathalia Lebedev, Lois Sara Gallon, Ellen Schmidt Baker, Patrick Amrhein, Dieter Boeckh, Stefan Frenzel, Ekkehard Jahns, Volker Schwendemann
  • Patent number: 7256166
    Abstract: Laundry articles comprise a water-insoluble substrate and a particulate soil absorber comprising a crosslinked polyamide including units having a nucleophilic group. The particulate soil absorber is adhered to the water-insoluble substrate and is effective for inhibiting transfer or redeposition of particulate soil to items in a wash solution. Methods for making such articles comprise adhering a particulate soil absorber comprising a crosslinked polyamide including units having a nucleophilic group to the water-insoluble substrate.
    Type: Grant
    Filed: January 16, 2003
    Date of Patent: August 14, 2007
    Assignee: The Procter & Gamble Company
    Inventors: Kemal V Catalan, Nicholas David Vetter, Rajan Keshav Panandiker, Yousef Georges Aouad, Dieter Boeckh, Stefan Frenzel, Cordula Mock-Knoblauch
  • Publication number: 20070157948
    Abstract: A cleaning implement comprises a modified open-cell foam with a density in the range from about 5 to about 1,000 kg/m3 and with an average pore diameter in the range from about 1 ?m to about 1 mm, comprising an amount in the range from about 1 to about 2,500% by weight, based on the weight of the unmodified open-cell foam, of at least about one water-insoluble polymer (b), selected from polystyrene, styrene copolymers, polybutadiene, butadiene copolymers, polyvinylesters, polyvinylethers, copolymers from (meth)acrylic acid with at least one (meth)acrylate, and polyurethanes, with the proviso that styrene-acrylonitrile-C1-C10-alkyl (meth)acrylate terpolymers, styrene-butadiene-n-butyl acrylate terpolymers, and styrene-maleic anhydride copolymers are excluded.
    Type: Application
    Filed: December 19, 2006
    Publication date: July 12, 2007
    Inventors: Denis Alfred Gonzales, Iris Bogaerts, Karl Haberle, Wolfgang Schrof, Volker Schwendemann, Stefan Frenzel
  • Publication number: 20070004849
    Abstract: A process for pretreating cellulosic textile, which comprises the steps of: (a) treating cellulosic textile with a solution of polymer or copolymer obtainable by (a1) polymerization or copolymerization of N-vinylamide of the general formula I where R is selected from hydrogen and C1-C10-alkyl, and (a2) partial hydrolysis if appropriate, (b) optionally drying the treated textile, and (c) optionally saponifying all or some of the amide groups, wherein at least one of the steps (a2) and (c) is carried out.
    Type: Application
    Filed: September 24, 2004
    Publication date: January 4, 2007
    Inventors: Karl Siemensmeyer, Steffen Gibs, Frank Funke, Andreas Bastian, Michael Gotsche, Heinz Heissler, James Carnahan, Tanja Schneider, Holger Schopke, Stefan Frenzel
  • Publication number: 20070000640
    Abstract: System housing, in particular for a heating, ventilating and/or air-conditioning system of a vehicle, comprising at least three housing parts, which serve for accommodating air-conditioning-system components and/or for forming air-channeling paths, one of the housing parts comprising a first abutment surface and a second abutment surface, up to which the other two housing parts can be advanced in each case parallel to a normal vector of the abutment surface which is advanced up in each case.
    Type: Application
    Filed: June 6, 2006
    Publication date: January 4, 2007
    Applicant: Valeo Klimasysteme GmbH
    Inventors: Lutz Fuhrmann, Stefan Frenzel
  • Patent number: 7084200
    Abstract: Aqueous dispersions of water-soluble polymers of N-vinylcarboxamides, which contain, as a stabilizer, water-soluble, crosslinked graft polymers which are obtainable by free radical polymerization of compounds having at least two ethylenically unsaturated double bonds in the presence of polyalkylene glycols, are prepared by free radical polymerization of N-vinylcarboxamides in an aqueous medium in the presence of said stabilizers and are used as drainage aids, flocculants and retention aids, as wet and dry strength agents and as fixing agents in papermaking.
    Type: Grant
    Filed: November 19, 2002
    Date of Patent: August 1, 2006
    Assignee: BASF Aktiengesellschaft
    Inventors: Marc Leduc, Stefan Frenzel, Norbert Mahr
  • Publication number: 20060106210
    Abstract: The present invention relates to an improved method for isolating ingredients from biological material, in particular from sugar beet (Beta vulgaris).
    Type: Application
    Filed: December 18, 2003
    Publication date: May 18, 2006
    Inventors: Stefan Frenzel, Thomas Michelberger, Gunter Witte
  • Publication number: 20060052272
    Abstract: The present invention relates to a detergent auxiliary composition comprising: (i) a liquid or liquefiable active component; and (ii) a water-insoluble solid support component and (iii) a water-soluble and/or water dispersible encapsulating material; and (iv) optionally one or more adjunct components, characterised in that the composition further comprises (v) a surface deposition enhancing cationic polymer or oligomer having cationic groups such that fewer than 50% are de-activated when a 1% by weight solution of the polymer or oligomer (prepared in deionised water and then adjusted to pH 7.0 with sodium carbonate or citric acid) is stored at 25° C.
    Type: Application
    Filed: September 6, 2005
    Publication date: March 9, 2006
    Applicant: The Procter & Gamble Company
    Inventors: Fabrizio Meli, Andre Chieffi, Rebecca Selway, Stefan Frenzel
  • Patent number: 6969444
    Abstract: Paper coating slips whose additives comprise addition polymers or copolymers containing N-vinylformamide in (co)polymerized form, and their use.
    Type: Grant
    Filed: November 2, 2001
    Date of Patent: November 29, 2005
    Assignee: BASF Aktiengesellschaft
    Inventors: Friedrich Linhart, Bernd Dirks, Heinrich Ullrich, Thierry Blum, Norbert Mahr, Stefan Frenzel, Martin Wendker
  • Patent number: 6864330
    Abstract: The invention relates to the use of graft copolymers obtained by radical graft copolymerisation of a) at least one open-chained N-vinylamide compound of general formula (I) wherein R1, R2, R3 represents H or C1-C6-alkyl and b) optionally, one or several other copolymerizeable monomers on a polymer graft base c) for cosmetic applications, with the proviso that if the polymer graft base is a compound containing polyether, the copolymerizeable polymer b) does not represent vinylester
    Type: Grant
    Filed: August 17, 2001
    Date of Patent: March 8, 2005
    Assignee: BASF Aktiengesellschaft
    Inventors: Tanja Schneider, Michael Gotsche, Anton Negele, Son Nguyen Kim, Stefan Frenzel, Claudia Wood
  • Publication number: 20050014887
    Abstract: Aqueous dispersions of water-soluble polymers of N-vinylcarboxamides, which contain, as a stabilizer, water-soluble, crosslinked graft polymers which are obtainable by free radical polymerization of compounds having at least two ethylenically unsaturated double bonds in the presence of polyalkylene glycols, are prepared by free radical polymerization of N-vinylcarboxamides in an aqueous medium in the presence of said stabilizers and are used as drainage aids, flocculants and retention aids, as wet and dry strength agents and as fixing agents in papermaking.
    Type: Application
    Filed: November 19, 2002
    Publication date: January 20, 2005
    Inventors: Marc Leduc, Stefan Frenzel, Norbert Mahr
  • Publication number: 20040154764
    Abstract: Paper coated with a coating slip containing at least one optical brightener is produced by a process in which base paper or precoated paper is treated, before application of the coating slip containing optical brightener, with at least one substance which enhances the efficiency of optical brighteners.
    Type: Application
    Filed: February 9, 2004
    Publication date: August 12, 2004
    Inventors: Thierry Blum, Friedrich Linhart, Stefan Frenzel
  • Publication number: 20040149411
    Abstract: They are mixtures of
    Type: Application
    Filed: December 10, 2003
    Publication date: August 5, 2004
    Inventors: Ellen Krger, Martin Wendker, Stefan Frenzel, Claus Bottcher