Patents by Inventor Anna Cristadoro
Anna Cristadoro 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: 8563680Abstract: Thermoplastic molding compositions, comprising A) from 10 to 99.99% by weight of a polyamide B) from 0.01 to 20% by weight of a high-functionality polyetherol with an OH number of from 3 to 1350 mg KOH/g of polyetherol (to DIN 53240, part 2), C) from 0 to 70% by weight of further additives, where the total of the percentages by weight of components A) to C) is 100%.Type: GrantFiled: June 10, 2011Date of Patent: October 22, 2013Assignee: BASF SEInventors: Manoranjan Prusty, Martin Baumert, Bernd Bruchmann, Anna Cristadoro
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Patent number: 8492497Abstract: The present invention relates to copolymers comprising as comonomers in copolymerized form (A) at least one ethylenically unsaturated mono- or dicarboxylic acid, (B) at least one ethylenically unsaturated compound which has at least one structural unit of the general formula (I) per molecule: where the variables are defined as follows: R1 is different or identical and selected from hydrogen, C1-C30-alkyl, C6-C30-aryl and C7-C30-aralkyl, A1 is different or identical and selected from C2-C10-alkylene, C6-C10-arylene and C7-C10-aralkylene, n is different or identical and selected from zero to 200, m is different or identical and selected from 1 to 6, (C) at least one further comonomer.Type: GrantFiled: July 12, 2010Date of Patent: July 23, 2013Assignee: BASF SEInventors: Rabie Al-Hellani, Bernd Bruchmann, Daniel Schoenfelder, Anna Cristadoro, Reinhold J Leyrer, Cristofer Arisandy
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Patent number: 8466250Abstract: The present invention relates to a process for preparing high-functionality polyethers having a Hazen color number of less than 500, by converting tris(hydroxyethyl) isocyanurate (THEIC) and one or more difunctional alcohols and/or modifying reagents with the aid of acidic catalysts. The present invention further relates to high-functionality polyethers having a color number of less than 10, obtainable by such a process, and to the use of these high-functionality polyethers as adhesion promoters, thixotropic agents, rheology modifiers of polymers, in printing inks, paints and coatings, or as units for preparation of polyaddition or polycondensation polymers.Type: GrantFiled: October 14, 2011Date of Patent: June 18, 2013Assignee: BASF SEInventors: Bernd Bruchmann, Anna Cristadoro, Oihana Elizalde, Angelika Maria Steinbrecher, Monika Haberecht
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Patent number: 8436125Abstract: The present invention relates to materials comprising (A) at least one rubber, (B) at least one polyimide selected from branched condensation products of (a) at least one polyisocyanate having on average more than two isocyanate groups per molecule, and (b) at least one polycarboxylic acid having at least 3 COOH groups per molecule or anhydride thereof.Type: GrantFiled: May 24, 2011Date of Patent: May 7, 2013Assignee: BASF SEInventors: Anna Cristadoro, Bernd Bruchmann, Anna Thome, Juergen Widler
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Publication number: 20120302677Abstract: The present invention relates to a thermoplastic molding composition comprising the following components: A) 20 to 98.99% by weight of at least one polyamide, B) 0.01 to 40% by weight of at least one branched polyimide selected from condensates of either b1) at least one polyisocyanate having an average of more than two isocyanate groups per molecule or b2) at least one polyamine having an average of more than two amino groups per molecule and b3) at least one polycarboxylic acid having at least three COOH groups per molecule or its anhydride C) 1 to 59% by weight of at least one flame retardant selected from the group of c1) phosphorus-containing flame retardants c2) nitrogen-containing flame retardants and mixtures of these, D) 0 to 50% by weight of further additives, where the total of the proportions by weight is 100% by weight based on the molding composition.Type: ApplicationFiled: May 25, 2012Publication date: November 29, 2012Applicant: BASF SEInventors: Anna Cristadoro, Alexander König, Michael Roth
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Publication number: 20120263633Abstract: Described is a metal oxide support material nanoscaled iron-platinum group metal particles having a particle size in the range of 0.5 to 10 nm, wherein at least 70% of all nanoscaled iron-platinum group metal particles are located on an outside surface layer of the metal oxide support material, and wherein the outside surface layer has an average volume of less than 50% based on the total volume of the metal oxide support material. Additionally, described is a process for the preparation of such metal oxide support material comprising nanoscaled iron-platinum group metal particles. Furthermore, described is the use of metal oxides containing nanoscaled iron-platinum group metal particles as catalysts, for example as a diesel oxidation catalyst for the treatment of exhaust gas emissions from a diesel engine.Type: ApplicationFiled: December 13, 2010Publication date: October 18, 2012Applicant: BASF SEInventors: Tobias Joachim Koplin, Imme Domke, Christopher R. Castellano, Gerald Stephen Koermer, Wolfgang Schrof, Robert Feuerhake, Gunnar Schornick, Anna Cristadoro, Daniel Schönfelder, Hartmut Hibst, Mattijs Gregor Jurriaan Ten Cate
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Publication number: 20120259044Abstract: The invention relates to a curable composition comprising one or more epoxy compounds, one or more anionically curing catalysts, and an addition of one or more dendritic polymers, selected from the group consisting of the dendritic polyester polymers, the dendritic polyesteramide polymers, and the dendritic polymers based on 1,3,5-tris-alkanol-substituted cyanuric acid. These dendritic polymers improve mechanical properties, in particular the toughness of the cured epoxy resin.Type: ApplicationFiled: April 5, 2012Publication date: October 11, 2012Applicant: BASF SEInventors: Michael HENNINGSEN, Jean-Francois Stumbe, Anna Cristadoro, Volker Alstaedt, Manfred Doering, Lin Zang, Alexander Schmidt, Johannes Kraemer
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Publication number: 20120197042Abstract: The invention relates to a process for preparing hyperbranched polyhydroxybenzoic acid alkoxylates, comprising the steps of: (a) reacting at least one polyhydroxybenzoic ester with one or more alkylene oxides, optionally in the presence of a basic catalyst, (b) allowing the polyhydroxybenzoic ester alkoxylates formed in step (a) to react with transesterification to form hyperbranched polyhydroxybenzoic acid alkoxylates.Type: ApplicationFiled: October 14, 2010Publication date: August 2, 2012Applicant: BASF SEInventors: Daniel Schoenfelder, Bernd Bruchmann, Anna Cristadoro, Achim Loeffler, Matthias Schopohl, Andreas Kunst
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Publication number: 20120190756Abstract: Described are associative polyether-polyurethane thickeners into which dendritic polyetherpolyols have been polymerized-in. Also described is the preparation of these thickeners, and the use thereof, in particular, in cosmetic preparations.Type: ApplicationFiled: January 6, 2012Publication date: July 26, 2012Applicant: BASF SEInventors: Holger Türk, Volker Wendel, Anna Cristadoro, Daniel Stadler, Markus Buchmann
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Publication number: 20120095162Abstract: The present invention relates to a process for preparing high-functionality polyethers having a Hazen color number of less than 500, by converting tris(hydroxyethyl) isocyanurate (THEIC) and one or more difunctional alcohols and/or modifying reagents with the aid of acidic catalysts. The present invention further relates to high-functionality polyethers having a color number of less than 10, obtainable by such a process, and to the use of these high-functionality polyethers as adhesion promoters, thixotropic agents, rheology modifiers of polymers, in printing inks, paints and coatings, or as units for preparation of polyaddition or polycondensation polymers.Type: ApplicationFiled: October 14, 2011Publication date: April 19, 2012Applicant: BASF SEInventors: Bernd BRUCHMANN, Anna Cristadoro, Oihana Elizalde, Angelika Maria Steinbrecher, Monika Haberecht
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Publication number: 20120082629Abstract: Described are associative thickeners based on compounds which comprise at least one hydrophobically modified polyether dendron end group.Type: ApplicationFiled: August 31, 2011Publication date: April 5, 2012Applicant: BASF SEInventors: Holger Türk, Volker Wendel, Anna Cristadoro, Rabie Al-Hellani, Bernd Bruchmann
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Publication number: 20120053057Abstract: The present invention provides an amphiphile of the formula (I) as described hereinafter. The invention further relates to a process for preparing the amphiphile and to a composition comprising the amphiphile and a sparingly water-soluble active ingredient. It further relates to a process for producing the composition by contacting the amphiphile and the active ingredient, and to the use of the amphiphile for solubilizing a sparingly water-soluble active ingredient in aqueous solutions. The invention also relates to the use of the amphiphile in an agrochemical formulation comprising the amphiphile and a pesticide for controlling phytopathogenic fungi and/or unwanted vegetation and/or unwanted insect or mite infestation and/or for regulating the growth of plants, and finally to plant propagation material comprising the amphiphile.Type: ApplicationFiled: August 31, 2011Publication date: March 1, 2012Applicant: BASF SEInventors: Anna CRISTADORO, Holger TÜRK, Michael ISHAQUE, Rabie AL-HELLANI
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Publication number: 20120052397Abstract: Electrolyte materials for use in electrochemical cells, electrochemical cells comprising the same, and methods of making such materials and cells, are generally described. In some embodiments, the materials, processes, and uses described herein relate to electrochemical cells comprising sulfur and lithium such as, for example, lithium sulfur batteries. The electrolyte can comprise a polymeric material and, in some cases, an absorbed auxiliary material. For example, the electrolyte material can be capable of forming a gel, and the auxiliary material can comprise an electrolyte solvent. In some instances, the electrolyte material can comprise at least one organic (co)polymer selected from polyethersulfones, polyvinylalcohols (PVOH) and branched polyimides (HPI). The non-fluid material in the electrolyte, when configured for use, can, alone or in combination with the optional absorbed auxiliary material, have a yield strength greater than that of lithium metal, in some embodiments.Type: ApplicationFiled: August 24, 2011Publication date: March 1, 2012Applicants: BASF SE, Sion Power CorporationInventors: Yuriy V. Mikhaylik, Igor Kovalev, John D. Affinito, Helmut Moehwald, Rudiger Schmidt, Anna Cristadoro, Ingrid Haupt, Raimund Pietruschka
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Publication number: 20120010312Abstract: The present invention relates to a polycarbonate comprising at least one phosphorus-containing group, to the use of the polycarbonate as flame retardant, to a process for producing a polyurethane by using this polycarbonate, and to a polyurethane obtain-able by this process.Type: ApplicationFiled: May 19, 2011Publication date: January 12, 2012Applicant: BASF SEInventors: Marco Balbo Block, Jens Ferbitz, Christoph Fleckenstein, Anna Cristadoro, Bernd Bruchmann, Klemens Massonne
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Publication number: 20120010343Abstract: Thermoplastic molding compositions, comprising A) from 10 to 99.99% by weight of a polyamide B) from 0.01 to 20% by weight of a high-functionality polyetherol with an OH number of from 3 to 1350 mg KOH/g of polyetherol (to DIN 53240, part 2), C) from 0 to 70% by weight of further additives, where the total of the percentages by weight of components A) to C) is 100%.Type: ApplicationFiled: June 10, 2011Publication date: January 12, 2012Applicant: BASF SEInventors: Manoranjan Prusty, Martin Baumert, Bernd Bruchmann, Anna Cristadoro
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Publication number: 20110311901Abstract: A process for preparing mechanically stabilized polyazoles, comprising the following steps: I) treating at least one polyazole having at least one amino group in a repeat unit with a solution comprising (i) at least one strong acid and (ii) at least one stabilizing reagent, the total content of stabilizing reagents in the solution being in the range from 0.01 to 30% by weight, II) performing the stabilization reaction directly and/or in a subsequent processing step by heating to a temperature greater than 25° C., using at least one high-functionality polyether as the stabilizing reagent. The polyazoles thus obtainable are notable especially for a high conductivity and a very good mechanical stability. They are therefore especially suitable for applications in fuel cells.Type: ApplicationFiled: May 25, 2011Publication date: December 22, 2011Applicant: BASF SEInventors: Friederike Fleischhaker, Anna Cristadoro, Jörg Belack, Oliver Gronwald, Francisco Javier Lopez Villanueva, Bernd Bruchmann
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Publication number: 20110294929Abstract: The present invention relates to materials comprising (A) at least one rubber, (B) at least one polyimide selected from branched condensation products of (a) at least one polyisocyanate having on average more than two isocyanate groups per molecule, and (b) at least one polycarboxylic acid having at least 3 COOH groups per molecule or anhydride thereof.Type: ApplicationFiled: May 24, 2011Publication date: December 1, 2011Applicant: BASF SEInventors: Anna Cristadoro, Bernd Bruchmann, Anna Thome, Juergen Widler
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Publication number: 20110293374Abstract: The present invention relates to a method for adsorbing and/or absorbing oil, by bringing oil into contact with a polyurethane sponge with excellent mechanical properties.Type: ApplicationFiled: May 24, 2011Publication date: December 1, 2011Applicant: BASF SEInventors: Nils Mohmeyer, Ralf Fritz, Bernd Bruchmann, Anna Cristadoro, Marcus Leberfinger, Antje van der Net
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Publication number: 20110178241Abstract: Process for preparing an aqueous polymer dispersion with small polymer particlesType: ApplicationFiled: January 14, 2011Publication date: July 21, 2011Applicant: BASF SEInventors: Daniel Schönfelder, Rabie Al-Hellani, Marc Schroeder, Monika Haberecht, Anna Cristadoro, Bernd Bruchmann, Rajan Venkatesh
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Publication number: 20110015361Abstract: Copolymers, their use as thickeners, and methods for their preparation The present invention relates to copolymers comprising as comonomers in copolymerized form (A) at least one ethylenically unsaturated mono- or dicarboxylic acid, (B) at least one ethylenically unsaturated compound which has at least one structural unit of the general formula (I) per molecule: where the variables are defined as follows: R1 is different or identical and selected from hydrogen, C1-C30-alkyl, C6-C30-aryl and C7-C30-aralkyl, A1 is different or identical and selected from C2-C10-alkylene, C6-C10-arylene and C7-C10-aralkylene, n is different or identical and selected from zero to 200, m is different or identical and selected from 1 to 6, (C) at least one further comonomer.Type: ApplicationFiled: July 12, 2010Publication date: January 20, 2011Applicant: BASF SEInventors: Rabie AL-HELLANI, Bernd Bruchmann, Daniel Schönfelder, Anna Cristadoro, Reinhold J. Leyrer, Christofer Arisandy