Patents by Inventor Andrey Karpov
Andrey Karpov 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: 20120178002Abstract: Electrodes and production and use thereof Electrodes, comprising (A) a solid medium through which gas can diffuse, (B) at least one electrically conductive, carbonaceous material, (C) at least one organic polymer, (D) at least one compound of the general formula (I) M1aM2bM3cM4dHeOf ??(I) in particulate form, where the variables are each defined as follows: M1 is selected from Mo, W, V, Nb and Sb, M2 is selected from Fe, Ag, Cu, Ni, Mn and lanthanoids, M3 is selected from B, C, N, Al, Si, P and Sn, M4 ist selected from Li, Na, K, Rb, Cs, NH4, Mg, Ca and Sr, a is in the range from 1 to 3, b is in the range from 0.1 to 10, c is in the range from zero to one, d is in the range from zero to one, e is in the range from zero to 5, f is in the range from 1 to 28, and wherein compound of the general formula (I) has a BET surface area in the range from 1 to 300 m2/g.Type: ApplicationFiled: June 21, 2011Publication date: July 12, 2012Applicant: BASF SEInventors: Arnd GARSUCH, Alexander PANCHENKO, Andrey KARPOV, Rüdiger SCHMIDT, Sabine HUBER
-
Publication number: 20120097068Abstract: Process for the preparation of modified zinc oxide nanoparticles, which comprises reacting zinc oxide nanoparticles, which are dissolved in a solvent, in the presence of ammonia or amines with a tetraalkyl orthosilicate and optionally with an organosilane, with the proviso that the reaction takes place at a content of less than 5% by weight of water, based on the total amount of solvent and water. Modified zinc oxide nanoparticles which have Si—O-alkyl groups and are soluble in organic solvents, obtainable by this process for the preparation. Liquid or solid formulations which comprise modified ZnO nanoparticles. Inanimate organic materials, for example plastics or coatings, which comprise modified ZnO nanoparticles. Method of stabilizing inanimate organic materials against the effect of light, free radicals or heat, where modified ZnO nanoparticles, which optionally comprise UV absorbers and/or stabilizers as further additives, are added to the materials.Type: ApplicationFiled: June 22, 2010Publication date: April 26, 2012Applicant: BASE SEInventors: Richard Riggs, Andrey Karpov, Simon Schambony, Wolfgang Best
-
Publication number: 20120086002Abstract: The present invention relates to a process for producing a layer comprising at least one semiconductive metal oxide on a substrate, comprising at least the steps of: (A) applying a porous layer of at least one semiconductive metal oxide to a substrate, (B) treating the porous layer from step (A) with a solution comprising at least one precursor compound of the semiconductive metal oxide, such that the pores of the porous layer are at least partly filled with this solution and (C) thermally treating the layer obtained in step (B) in order to convert the at least one precursor compound of the semiconductive metal oxide to the semiconductive metal oxide, wherein the at least one precursor compound of the at least one semiconductive metal oxide in step (B) is selected from the group consisting of carboxylates of mono-, di- or polycarboxylic acids having at least three carbon atoms or derivatives of mono-, di- or polycarboxylic acids, alkoxides, hydroxides, semicarbazides, carbamates, hydroxamates, isocyanates, amType: ApplicationFiled: June 15, 2010Publication date: April 12, 2012Applicant: BASF SEInventors: Friederike Fleischhaker, Imme Domke, Andrey Karpov, Marcel Kastler, Veronika Wloka, Lothar Weber
-
Publication number: 20120071671Abstract: The invention relates to a catalyst for partially oxidizing hydrocarbons in the gas phase, containing a multi-metal oxide of the general formula (I), AgaMObVcMdOe.f H2O (I), wherein M stands for at least one element selected from among Li, Na, K, Rb, Cs, Be, Mg, Ca, Sr, Ba, B, Al, Ga, In, Si, Sn, Pb, P, Sb, Bi, Y, Ti, Zr, Hf, V, Nb, Ta, Cr, W, Mn, Re, Fe, Ru, Os, Co, Rh, Ir, Ni, Pd, Pt, Cu, Au, Zn, Cd, La, Ce, Pr, Nd, Sm, Eu, Gd, Tb, Dy, Ho, Er, Tm, Yb, Lu, and U, a has a value of 0.5 to 1.5, b has a value of 0.5 to 1.5, c has a value of 0.5 to 1.5, a+b+c has the value 3, d has a value of less than 1, e means a number that is determined by the valence and frequency of the elements other than oxygen in the formula (I), f has a value of 0 to 20, which multi-metal oxide exists in a crystal structure, the X-ray powder diffractogram of which is characterized by diffraction reflections at a minimum of 5 lattice distances selected from among d=4.53, 3.38, 3.32, 3.23, 2.88, 2.57, 2.39, 2.26, 1.83, 1.77 AA (+?0.Type: ApplicationFiled: May 28, 2010Publication date: March 22, 2012Applicant: BASF SEInventors: Andrey Karpov, Hartmut Hibst, Christine Deißler, Cornelia Katharina Dobner, Frank Rosowski, Nadine Brem, Stephan Schunk
-
Publication number: 20120043537Abstract: The present invention relates to a process for producing a layer comprising at least one semiconductive metal oxide on a substrate, comprising at least the steps of: (A) preparing a solution comprising at least one precursor compound of the at least one metal oxide selected from the group consisting of carboxylates of mono-, di- or polycarboxylic acids having at least three carbon atoms, or derivatives of mono-, di- or polycarboxylic acids, alkoxides, hydroxides, semicarbazides, carbamates, hydroxamates, isocyanates, amidines, amidrazones, urea derivatives, hydroxylamines, oximes, urethanes, ammonia, amines, phosphines, ammonium compounds, azides of the corresponding metal and mixtures thereof, in at least one solvent, (B) applying the solution from step (A) to the substrate and (C) thermally treating the substrate from step (B) at a temperature of 20 to 200° C.Type: ApplicationFiled: April 26, 2010Publication date: February 23, 2012Applicant: BASF SEInventors: Andrey Karpov, Friederike Fleischhaker, Imme Domke, Marcel Kastler, Veronika Wloka, Lothar Weber
-
Publication number: 20110311888Abstract: Electrodes, comprising (A) a solid medium through which gas can diffuse, (B) at least one electrically conductive, carbonaceous material, (C) at least one organic polymer, (D) at least one compound of the general formula (I) M1aM2bM3cM4dHeOf??(I) in particulate form, where the variables are each defined as follows: M1 is selected from Mo, W, V, Nb and Sb, M2 is selected from Fe, Ag, Cu, Ni, Mn and lanthanoids, M3 is selected from B, C, N, Al, Si, P and Sn, M4 is selected from Li, Na, K, Rb, Cs, NH4, Mg, Ca and Sr, a is in the range from 1 to 3, b is in the range from 0.1 to 10, c is in the range from zero to one, d is in the range from zero to one, e is in the range from zero to 0.5, f is in the range from 1 to 28, and wherein compound of the general formula (I) has a BET surface area in the range from 1 to 300 m2/g.Type: ApplicationFiled: June 21, 2011Publication date: December 22, 2011Applicant: BASF SEInventors: Arnd GARSUCH, Alexander Panchenko, Andrey Karpov, Rüdiger Schmidt, Sabine Huber
-
Publication number: 20110275856Abstract: An eggshell catalyst consisting of a hollow cylindrical support body of length 2 to 10 mm, external diameter 4 to 10 mm and wall thickness 1 to 4 mm, and an eggshell, applied to the outer surface of the support body, of catalytically active oxide material of the general formula I, Mo12V2 to 4W0 to 3Cu0.8 to 1.5X10 to 4X20 to 40On??(I) in which the variables are each defined as follows: X1=one or more elements of the alkali metals and alkaline earth metals; X2=one or more elements from the group of Si, Al, Ti and Zr; and n=the stoichiometric coefficient of the element oxygen, which is determined by the stoichiometric coefficients of the elements other than oxygen and the charges thereof in I.Type: ApplicationFiled: April 25, 2011Publication date: November 10, 2011Applicant: BASF SEInventors: Andrey KARPOV, Catharina Horstmann, Cornelia Katharina Dobner, Josef Macht, Frank Rosowski, Klaus Joachim Müller-Engel
-
Publication number: 20110245392Abstract: Improved metal oxide nanoparticles, in particular zinc oxides, are modified with silanes. The particles obtained in this way are suitable for an improved UV protection of polymers.Type: ApplicationFiled: December 3, 2009Publication date: October 6, 2011Applicant: BASF SEInventors: Andrey Karpov, Hartmut Hibst, Berend Eling, Jörn Duwenhorst, Richard Riggs, Alexander Traut, Christof Kujat, Cornelia Röger, Christian Krausche
-
Publication number: 20110245391Abstract: Dispersion comprising functionalized metal oxide particles, polymerizable compounds and if appropriate a solvent and their use for stabilizing polymers.Type: ApplicationFiled: December 9, 2009Publication date: October 6, 2011Applicant: BASF SEInventors: Andrey Karpov, Hartmut Hibst, Berend Eling, Joern Duwenhorst, Richard Riggs, Alexander Traut, Christof Kujat, Cornelia Roeger, Christian Krausche
-
Publication number: 20110230668Abstract: A catalyst for gas phase oxidations comprises an inert support and a catalytically active material which comprises vanadium oxide and titanium dioxide and has been applied thereto. The titanium dioxide has a content of sulfur compounds, calculated as S, of less than 1000 ppm and a content of calcium compounds, calculated as Ca, of less than 150 ppm. The catalyst has a relatively high activity and/or selectivity and thus enables relatively high yields of the desired target product, for example phthalic anhydride. Also described is a process for preparing phthalic anhydride, wherein a gas stream which comprises molecular oxygen and o-xylene, naphthalene or mixtures thereof is contacted with the catalyst.Type: ApplicationFiled: March 21, 2011Publication date: September 22, 2011Applicant: BASF SEInventors: Stefan Altwasser, Christine Deißler, Andrey Karpov, Cornelia Katharina Dobner, Bastian Ewald, Frank Rosowski, Hagen Wilmer
-
Publication number: 20110206753Abstract: The present invention relates to processes for the preparation of surface-modified nanoparticulate copper compounds and of aqueous suspensions which comprise surface-modified nanoparticulate copper compounds. The invention furthermore relates to the surface-modified nanoparticulate copper compounds obtainable by these processes and aqueous suspensions of these copper compounds and their use as an antimicrobial active substance or catalyst.Type: ApplicationFiled: July 2, 2009Publication date: August 25, 2011Inventors: Andrey Karpov, Hartmut Hibst, Michael Triller, Eike Hupe, Michael Maier, Jörg Habicht
-
Publication number: 20110163278Abstract: The present invention relates to particles which have been modified by a modifier and a dispersion medium comprising the modified particles.Type: ApplicationFiled: August 28, 2009Publication date: July 7, 2011Inventors: Imme Domke, Andrey Karpov, Hartmut Hibst, Radoslav Rarashkov, Ingolf Hennig, Marcel Kastler, Friederike Fleischhaker, Lothar Weber, Peter Eckerle
-
Publication number: 20110152433Abstract: The present invention relates to a process for the preparation of nanoparticulate zinc oxide in the form of aqueous suspensions or in the form of pulverulent solid. Furthermore, the invention relates to the use of zinc oxide particles and suspensions prepared in this way in cosmetic sunscreen preparations, as stabilizer in plastics, in paints, in coatings and as antimicrobial active ingredient.Type: ApplicationFiled: July 30, 2009Publication date: June 23, 2011Applicant: BASF SEInventors: Bernd Bechtloff, Lars Vicum, Hartwig Voss, Robert Wengeler, Andrey Karpov, Jing Dreher, Valerie Andre
-
Publication number: 20110130273Abstract: Process for the preparation of modified ZnO particles in which a zinc salt and a base are mixed in a polar solvent and, if appropriate after the precipitation of a precipitation product, the polar solvent is removed and a residue is obtained, where the residue is taken up in a nonpolar solvent, surface-active substances are added, optionally further effect substances are added and then the modified ZnO particles are separated off from further by-products. Materials such as plastics, coatings or paints comprising modified ZnO particles. Methods for the incorporation of modified ZnO particles into materials, where the modified ZnO particles are incorporated into the materials in the form of dispersions or suspensions. Use of modified ZnO particles for protecting material against the effect of light, heat, oxygen or free radicals, as catalysts, for semiconductive films or cosmetic applications.Type: ApplicationFiled: July 14, 2009Publication date: June 2, 2011Applicant: BASF SEInventors: Andrey Karpov, Hartmut Hibst, Simon Schambony, Richard Riggs, Sylke Haremza
-
Publication number: 20100196428Abstract: The present invention relates to a method for producing cosmetic preparations comprising metal oxide, where the reaction mixture which forms during the production of the particulate metal oxide is incorporated into the cosmetic preparations essentially without further work-up.Type: ApplicationFiled: May 23, 2008Publication date: August 5, 2010Applicant: BASF SEInventors: Andrey Karpov, Hartmut Hibst, Valerie Andre
-
Publication number: 20100119829Abstract: The present invention relates to methods of producing surface-modified nanoparticulate particles at least of one metal oxide, metal hydroxide and/or metal oxide hydroxide, and aqueous suspensions of these particles. Furthermore, the invention relates to the surface-modified nanoparticulate particles, obtainable by these methods, at least of one metal oxide, metal hydroxide and/or metal oxide hydroxide and aqueous suspensions of these particles, and to their use for cosmetic sunscreen preparations, as stabilizer in plastics and as antimicrobial active ingredient.Type: ApplicationFiled: March 18, 2008Publication date: May 13, 2010Applicant: BASF SEInventors: Andrey Karpov, Hartmut Hibst, Jing Hu, Bernd Bechtloff, Hartwig Voss, Kerstin Schierle-Arndt, Valerie Andre, Jens Rieger
-
Publication number: 20100036052Abstract: A process is proposed for preparing polymers filled with nanoscale metal oxides and comprises the following steps: a) preparing a nanosuspension of one or more crystalline metal oxides, hydroxides or oxide hydroxides by heating a suspension of one or more compounds comprising the corresponding metals in a first polymerizable compound to a temperature greater than the boiling point of water under process pressure and less than the boiling temperature of the first polymerizable compound and also less than the temperature at which the polymerization of the first polymerizable compound commences, ?in the presence of water in an amount corresponding to 1 to 10 oxygen atoms per metal atom of the compound or compounds comprising the corresponding metals, and b) polymerizing the first polymerizable compound under pressure and temperature conditions typical for the first polymerizable compound.Type: ApplicationFiled: November 5, 2007Publication date: February 11, 2010Applicant: BASF SEInventors: Andrey Karpov, Hartmut Hibst, Claudia Mettlach, Lionel Gehringer, Motonori Yamamoto, Berend Eling, Hans-Helmut Goertz
-
Publication number: 20100003203Abstract: The present invention relates to methods of producing surface-modified nanoparticulate particles at least of one metal oxide, metal hydroxide and/or metal oxide hydroxide, and aqueous suspensions of these particles. The invention further relates to the surface-modified nanoparticulate particles, obtainable by these methods, at least of one metal oxide, metal hydroxide and/or metal oxide hydroxide and aqueous suspensions of these particles, and to their use for cosmetic sunscreen preparations, as stabilizer in plastics and as antimicrobial active ingredient.Type: ApplicationFiled: October 10, 2007Publication date: January 7, 2010Applicant: BASF SEInventors: Andrey Karpov, Hartmut Hibst, Jutta Kissel, Bernd Bechtloff, Hartwig Voss, Kerstin Schierle-Arndt, Valerie Andre
-
Publication number: 20090045374Abstract: Electrically conductive, magnetic composite material, comprising (A) pulverulent, inorganic, magnetic material which is electrically not or only poorly conductive, and (B) an electrically conductive material, selected from the group consisting of pulverulent and liquid carbon-comprising organic materials and pulverulent carbon allotropes, in a ratio by weight of (A):(B)=from 1:100 to 100:1; a process for its production, and its use, and also ferrimagnetic mixed oxide (A) of the general formula I: M?M??O4??(I), in which M? is a first metal component which comprises divalent metal cations; and M?? is a second metal component which comprises trivalent metal cations; capable of production by reacting, in a quantitative ratio such that the resultant ferromagnetic mixed oxide (A) is electrically neutral, divalent metal cations M? and trivalent metal cations M?? in aqueous solution and/or dispersion, comprising at least one electrically conductive material (B) and/or at least one material which differs thereType: ApplicationFiled: August 15, 2008Publication date: February 19, 2009Applicant: BASF SEInventors: Dirk LAWRENZ, Ingolf Hennig, Andrey Karpov, Stefan Kirsch, Hartmut Hibst, Juergen Kaczun, Uta Holzenkamp, Stephen Ems, Harry Thomas Mills, Paul Edwin Gloor