Patents Assigned to BASF Aktiengesellschaft
  • Patent number: 8038014
    Abstract: The present invention relates to the use of an aqueous polymer dispersion comprising methacrylic acid and N-methylolacrylamide as a binder for producing filter materials and for base paper for decorative sheets.
    Type: Grant
    Filed: February 2, 2006
    Date of Patent: October 18, 2011
    Assignee: BASF Aktiengesellschaft
    Inventors: Marc Bothe, Matthias Gerst, Matthias Laubender
  • Patent number: 8038950
    Abstract: A fluidized-bed reactor for carrying out a gas-phase reaction, in which a gaseous reaction mixture flows from the bottom upward through a heterogeneous particulate catalyst forming a fluidized bed and internals are arranged in the fluidized bed, wherein the internals divide the fluidized bed into a plurality of cells arranged horizontally in the fluidized-bed reactor and a plurality of cells arranged vertically in the fluidized-bed reactor, with the cells having cell walls which are permeable to gas and have openings which ensure an exchange number of the heterogeneous particulate catalyst in the vertical direction in the range from 1 to 100 liters/hour per liter of reactor volume, is proposed.
    Type: Grant
    Filed: September 14, 2007
    Date of Patent: October 18, 2011
    Assignee: BASF Aktiengesellschaft
    Inventors: Lothar Seidemann, Dieter Stuetzer, Thomas Grassler, Martin Karches, Christian Schneider
  • Patent number: 8038974
    Abstract: The present invention relates to solutions comprising water and at least one metal cyanide, at least a part of the water being obtained from wastewater which occurs as depleted wastewater in a process for extracting noble metals from noble metal-containing ores by the cyanide process, the process for the preparation of solutions according to the invention and to the use of the solutions according to the invention in a process for extracting noble metals from noble metal-containing ores by the cyanide process, to a process for extracting noble metals from noble metal-containing ores by the cyanide process, wherein the solution according to the invention is used, and to the use of depleted wastewater occurring in the extraction of noble metals from noble metal-containing ores by the cyanide process to the preparation of solutions comprising water and at least one metal cyanide.
    Type: Grant
    Filed: January 22, 2007
    Date of Patent: October 18, 2011
    Assignee: BASF Aktiengesellschaft
    Inventors: Andreas Deckers, Thomas Schneider
  • Patent number: 8039549
    Abstract: A process for the preparation of aqueous polymer dispersions comprising at least one lipophilic active substance by emulsion polymerization of ethylenically unsaturated monomers in an aqueous medium in the presence of at least one lipophilic active substance, wherein (i) at least one lipophilic active substance which has a water solubility of not more than 5 g/l (determined at 25° C. and 1013 mbar) and a melting point below 130° C.
    Type: Grant
    Filed: June 5, 2007
    Date of Patent: October 18, 2011
    Assignee: BASF Aktiengesellschaft
    Inventors: Andreas Brockmeyer, Roland Ettl, Rainer Dyllick-Brenzinger
  • Patent number: 8034980
    Abstract: A process for preparing polyether polyols by reaction of the following starting materials: a) one or more alkylene oxides and, if appropriate, carbon dioxide and also b) one or more H-functional starter substances, in the presence of a catalyst, in a reaction unit having a plurality of parallel layers A, B which are microstructured so that each layer has a multiplicity of channels which are arranged parallel to one another and form a continuous flow path from one side of the plate to the opposite side of this, wherein a distribution device for introduction of the starting materials and the catalyst is provided at one end of the channels of the layers A and a collection device for the reaction mixture is provided at the other end of these is proposed.
    Type: Grant
    Filed: May 22, 2007
    Date of Patent: October 11, 2011
    Assignee: BASF Aktiengesellschaft
    Inventors: Achim Loeffler, Wolfgang Loth, Ralf Boehling, Thomas Ostrowski, Michael Stoesser, Hartwig Voss, Axel Schimpf
  • Publication number: 20110245280
    Abstract: A fungicidal mixture, comprising (1) 2-[2-(1-chlorocyclopropyl)-3-(2-chlorophenyl)-2-hydroxy-propyl]-2,4-dihydro-[1,2,4]-triazole-3-thione (prothioconazole) of the formula I or a salt or adduct thereof and at least one further triazole or a salt or adduct thereof, selected from the group consisting of (2) epoxiconazole of the formula II and (3) metconazole of the formula III and (4) propiconazole of the formula IV and (5) fluquinconazole of the formula V and (6) penconazole of the formula VI and (7) difenconazole of the formula VII and (8) hexaconazole of the formula VIII and (9) cyproconazole of the formula IX and (10) flusilazole of the formula X and (11) tetraconazole of the formula XI and (12) fenbuconazole of the formula XII and (13) myclobutanil of the formula XIII and (14) simeconazole of the formula XIV and (15) ipconazole of the formula XV and (16) triticonazole of the formula XVI in a syne
    Type: Application
    Filed: June 14, 2011
    Publication date: October 6, 2011
    Applicant: BASF AKTIENGESELLSCHAFT
    Inventors: Eberhard AMMERMANN, Reinhard STIERL, Gisela LORENZ, Siegfried STRATHMANN, Klaus SCHELBERGER, V. James SPADAFORA, Thomas CHRISTEN
  • Patent number: 8029919
    Abstract: The use of phenoxazine, phenothiazine, phenothiazine S-oxide or phenothiazine S,S-dioxide derivatives as emitter substances in organic light-emitting diodes, an organic light-emitting diode comprising a light-emitting layer, the light-emitting layer comprising at least one phenoxazine, phenothiazine, phenothiazine S-oxide or phenothiazine S,S-dioxide derivative as an emitter substance, and a light-emitting layer comprising or consisting of the aforementioned phenoxazine, phenothiazine-phenothiazine, phenothiazine S-oxide or phenothiazine S,S-dioxide derivative as an emitter substance, a hole- and exciton-blocking layer comprising or consisting of the aforementioned phenoxazine derivative, phenothiazine derivative, phenothiazine S-oxide derivative or phenothiazine S,S-dioxide derivative, and a device which comprises an inventive organic light-emitting diode.
    Type: Grant
    Filed: November 25, 2005
    Date of Patent: October 4, 2011
    Assignee: BASF Aktiengesellschaft
    Inventors: Thomas Gessner, Hans-Werner Schmidt, Mukundan Thelakkat, Markus Baete
  • Patent number: 8029647
    Abstract: Process for the production of paper, board and cardboard by draining a paper stock on a wire with sheet formation and drying of the sheets, the sheet formation being carried out in the absence of finely divided inorganic flocculants and (a) polymers comprising vinylamine units and/or polyvinylformamide having a molar mass Mw of, in each case, at least 1 million and (b) at least one cationic or nonionic polyacrylamide and/or one cationic or nonionic polymethacrylamide having a molar mass Mw of, in each case, at least 2.5 million being used as retention aids.
    Type: Grant
    Filed: September 8, 2005
    Date of Patent: October 4, 2011
    Assignee: BASF Aktiengesellschaft
    Inventors: Marc Leduc, Rainer Blum, Peter Leifert
  • Patent number: 8030485
    Abstract: The invention relates to a process for preparing free-flowing, pulverulent alkoxycarbonylaminotriazine from an alkanolic reaction mixture which is obtained in the preparation of alkoxycarbonylaminotriazines and comprises at least one alkoxycarbonylaminotriazine, at least one cyclic and/or acyclic carbonic ester, at least one C1-C13-alkanol which optionally comprises one or two oxygen atoms in the form of ether bonds and is optionally substituted by C1-C4-alkyl and/or hydroxyl, and also at least one alkali metal or alkaline earth metal alkoxide, with or without melamine and with or without catalyst, by atomizing and drying the reaction mixture in a spray drier.
    Type: Grant
    Filed: May 31, 2006
    Date of Patent: October 4, 2011
    Assignee: BASF Aktiengesellschaft
    Inventors: Joerg Schneider, Guenter Scherr, Rainer Erhardt, Andreas Eichfelder, Martin Reif, Stefan Hirsch, Georg Sieder, Thomas Holtmann, Juergen Ciprian, Hermann Ascherl
  • Patent number: 8026387
    Abstract: The present invention relates to a multiple-stage process for the continuous preparation of organic, distillable polyisocyanates, preferably diisocyanates, more preferably aliphatic or cycloaliphatic diisocyanates, by reaction of the corresponding organic poly-amines with ureas to form low-molecular monomeric polyureas, and the thermal decomposition thereof.
    Type: Grant
    Filed: January 9, 2007
    Date of Patent: September 27, 2011
    Assignee: BASF Aktiengesellschaft
    Inventors: Matthias Kloetzer, Eckhard Stroefer, Heinrich-Josef Blankertz
  • Patent number: 8025767
    Abstract: They are mixtures of (a) from 1 to 99.9% by weight of a water-soluble epihalohydrin-crosslinked polyamidoamine and (b) from 0.1 to 20% by weight of at least one other cationic polymer.
    Type: Grant
    Filed: July 7, 2008
    Date of Patent: September 27, 2011
    Assignee: BASF Aktiengesellschaft
    Inventors: Ellen Krueger, Martin Wendker, Stefan Frenzel, Claus Boettcher
  • Patent number: 8026361
    Abstract: Isoindoline pigments of the general formula I in which the variables are defined as follows: R1 is C1-C4-alkyl; R2 is hydrogen or C1-C4-alkyl, whose value expressing ease of dispersion in LDPE is ?10 and which require a reduction ratio of ?5 to obtain ? of standard depth of shade.
    Type: Grant
    Filed: July 11, 2007
    Date of Patent: September 27, 2011
    Assignee: BASF Aktiengesellschaft
    Inventors: Johannes Loebel, Andreas Stohr, Peter Boettcher
  • Patent number: 8026315
    Abstract: The present invention relates to a process for producing water-absorbing polymeric particles by polymerizing a monomer solution, which comprises removing the polymer gel from the reactor when the gel temperature is at least 50° C. and the monomer conversion is not more than 90 mol %, and also to a process for producing hygiene articles.
    Type: Grant
    Filed: March 28, 2006
    Date of Patent: September 27, 2011
    Assignee: Basf Aktiengesellschaft
    Inventors: Ulrich Riegel, Thomas Daniel, Dieter Hermeling, Mark Elliott
  • Patent number: 8022134
    Abstract: The present invention relates to novel modified polyaminoamides which are useful as dispersing agents for particulate inorganic solids, especially for inorganic pigments such as clay minerals. The new polyamides are also useful as graying inhibiting additives and detergency boosting additives in washing composition for laundry.
    Type: Grant
    Filed: March 18, 2005
    Date of Patent: September 20, 2011
    Assignee: BASF Aktiengesellschaft
    Inventors: Cordula Mock-Knoblauch, Juergen Detering, Dieter Boeckh, Parmod Kakumanu Reddy, Xinbei None Song
  • Patent number: 8022120
    Abstract: The present invention relates to novel comb polymers which bear poly-C2-C4-alkylene ether side chains A and functional groups B which at a pH of >12 are present in the form of anionic groups on a carbon backbone and also the salts of such comb polymers. The invention also relates to the use of these comb polymers as additives in preparations comprising a mineral binder. The polyalkylene ether side chains A have the following formula: *—U—(C(O))k—X-(Alk-O)n—Y—Z??A.
    Type: Grant
    Filed: November 6, 2006
    Date of Patent: September 20, 2011
    Assignee: BASF Aktiengesellschaft
    Inventors: Stefan Becker, Markus Klumpe, Joachim Pakusch, Thomas Goetz, Christian Knoll, Rolf Gulden
  • Patent number: 8016898
    Abstract: Polyisobutenylphenol-containing Mannich adducts are prepared by a) alkylation of a phenol with highly reactive polyisobutene having a number average molecular weight of less than 1000 and a polydispersity of less than 3.0, at below about 50° C. in the presence of an alkylation catalyst; b) reaction of the reaction product from a) with b1) an aldehyde chosen from formaldehyde, an oligomer and a polymer of formaldehyde and b2) at least one amine which has at least one primary or one secondary amino function and are used as detergent additives in fuel and lubricant compositions, and additive concentrates, fuel compositions and lubricant compositions contain these Mannich adducts.
    Type: Grant
    Filed: October 5, 2000
    Date of Patent: September 13, 2011
    Assignee: BASF Aktiengesellschaft
    Inventors: Arno Lange, Hans Peter Rath, Dietmar Posselt, Irene Trötsch-Schaller, Marc Walter
  • Patent number: 8017189
    Abstract: A process for producing a recording material printable with an ink jet printer and having a gel layer for that purpose comprises a) coating a support with a dispersion or solution of an organic gel former that is chemically crosslinkable by polycondensation or poly adduct formation, b) then effecting gel formation by polycondensation or poly adduct formation, and c) finally drying the gel.
    Type: Grant
    Filed: November 30, 2006
    Date of Patent: September 13, 2011
    Assignee: BASF Aktiengesellschaft
    Inventors: Volker Schaedler, Chrystelle Egger, Roland Ettl, Wolfgang Schmidt, Frank Konietzni
  • Patent number: 8013085
    Abstract: Process for preparing an aqueous polymer dispersion by polymerizing at least one ethylenically unsaturated monomer B in an aqueous medium in the presence of polymer particles A and at least one dispersant.
    Type: Grant
    Filed: June 4, 2004
    Date of Patent: September 6, 2011
    Assignee: BASF Aktiengesellschaft
    Inventors: Markus Schmid, Mubarik Mahmood Chowdhry, Dieter Distler, Reinhold J. Leyrer
  • Patent number: 8008051
    Abstract: The invention relates to novel proteins from Pseudomonas glumae, having esterase activity, in particular butynol I esterase activity, to nucleic acid sequences coding therefore, to expression cassettes, vectors and recombinant microorganisms; to methods for preparing said proteins and to the use thereof for enzymic, in particular enantioselective enzymic, ester hydrolysis or transesterification of organic esters.
    Type: Grant
    Filed: April 13, 2009
    Date of Patent: August 30, 2011
    Assignee: BASF Aktiengesellschaft
    Inventors: Bernhard Hauer, Thomas Friedrich, Christoph Nübling, Rainer Stürmer, Wolfgang Ladner
  • Patent number: 8007611
    Abstract: The invention provides a method for the production of composite elements composed of at least one outer layer a) and a thermal insulation material b), where between the outer layer a) and the thermal insulation material b) an adhesive c) has been applied, the outer layer a) being moved continuously, the thermal insulation material b) being applied to the outer layer a) and, if appropriate, a further outer layer a) being applied to the thermal insulation material b), and the adhesive c) being applied to the thermal insulation material b) or to the outer layer a), which comprises applying the adhesive c) by means of a rotating flat body which is mounted horizontally or with a slight deviation from the horizontal, of up to 15°, preferably parallel to the outer layer a) or to the thermal insulation material b).
    Type: Grant
    Filed: May 11, 2006
    Date of Patent: August 30, 2011
    Assignee: BASF Aktiengesellschaft
    Inventors: Erhard Gleinig, Erwin Calgua, Michael Thater