Patents Assigned to BASF
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Patent number: 6198002Abstract: A process for preparing a secondary or tertiary 2-methyl-1,5-pen-tanediamine of the formula I where R1 and R2 are H, C1-C20-alkyl, C3-C8-cycloalkyl, aryl, C7-C20-arylalkyl, where the radicals R1 and R2 may bear substituents selected from the group consisting of C1-C20-alkyl, C1-C20-alkoxy, C6-C20-aryloxy and hydroxy, and R1 and R2 are not simultaneously hydrogen, or R1 and R2 are together an unsubstituted or C1-C20-alkyl- and/or C1-C20-alkoxy-substituted C3-C7-alkylene chain which may, if desired, be interrupted by one or two O or NR3 groups, where R3 is H or C1-C20-alkyl comprises reacting 2-methylglutarodinitrile with a primary or secondary amine of the formula R1R2NH and hydrogen at from 50 to 250° C. and pressures of from 0.5 to 35 MPa in the presence of an oxidic supported catalyst comprising one or more noble metals which has been treated with hydrogen at from 50 to 300° C. for at least 0.5 hour before use.Type: GrantFiled: June 3, 1999Date of Patent: March 6, 2001Assignee: BASF AktiengesellschaftInventors: Karsten Eller, Bernd Fiege, Stefan Rittinger, Eberhard Fuchs
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Patent number: 6197836Abstract: The invention relates to a process and an apparatus for preparing active ingredient dispersions, wherein an active ingredient is dissolved in a fluid gas, the fluid gas loaded with active ingredient is essentially completely dissolved in a liquid and is decompressed, and the gas is separated from the liquid loaded with active ingredient.Type: GrantFiled: October 7, 1997Date of Patent: March 6, 2001Assignee: BASF AktiengesellschaftInventors: Thomas Riede, Werner Göbel, Christian Lockemann
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Patent number: 6197941Abstract: Reactive dyes of the formula I where a is 1 or 2, b is 0 or 1, Y is vinyl or a radical of the formula C2H4Q, where Q is an alkali-detachable group, Het is the radical of a 5- or 6-membered aromatic hetero-cyclic ring having from 1 to 3 hetero atoms selected from the group consisting of oxygen, sulfur and nitrogen, W is either in case 1) the radical of a coupling component, of a monoazo dye or additionally, when b=0, of a disazo dye, which may each bear further fiber-reactive groups, or in case 2) the radical of a chromophore which optionally has further fiber-reactive groups and is derived from an optionally metallized mono- or disazo dye, a triphendioxazine, an anthraquinone, a metallized formazan or a metallized phthalocyanine, and L1 and L2 are each a bridge member, are useful for dyeing or printing hydroxyl-containing or nitrogenous substrates.Type: GrantFiled: March 29, 1999Date of Patent: March 6, 2001Assignee: BASF AktiengesellschaftInventors: Andrea Zamponi, Manfred Patsch, Helmut Hagen, Bernd-Peter Walther
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Patent number: 6197958Abstract: Carboxylic acid derivatives where R—R6, X, Y and Z have the meanings stated in the description, and the preparation thereof, are described. The novel compounds are suitable for controlling diseases.Type: GrantFiled: May 11, 1999Date of Patent: March 6, 2001Assignee: BASF AktiengesellschaftInventors: Hartmut Riechers, Dagmar Klinge, Wilhelm Amberg, Andreas Kling, Stefan Müller, Ernst Baumann, Joachim Rheinheimer, Uwe Josef Vogelbacher, Wolfgang Wernet, Liliane Unger, Manfred Raschack
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Patent number: 6197992Abstract: The disclosure is a process for preparing mixtures of monoolefinic C5 mononitriles having nonconjugated C═C— and C≡N bonding by catalytic hydrocyanation of a hydrocarbon mixture containing 1,3-butadiene, by first diminishing the proportion of those components in the hydrocarbon mixture which impair the catalytic hydrocyanation and then subjecting the resulting mixture to catalytic hydrocyanation.Type: GrantFiled: June 14, 1999Date of Patent: March 6, 2001Assignee: BASF AktiengesellschaftInventors: Jakob Fischer, Wolfgang Siegel, Klaus Mundinger, Gerald Meyer
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Patent number: 6197973Abstract: 3-phenylpyrazoles of formula I wherein R1 is cyano, alkyl or haloalkyl; R2 is cyano or is optionally halogenated alkyl, alkoxy, alkylthio, alkylsulfinyl or alkylsulfonyl; R3 is hydrogen, cyano, halogen, alkyl or haloalkyl; R4 is hydrogen or halogen; R5 is cyano, halogen, or is optionally halogenated alkyl or alkoxy; R6, R7 independently of one another are optionally substituted alkyl, alkenyl, alkynyl, cycloalkyl, heterocyclyl or phenyl, optionally substituted alkylcarbonyl, alkoxycarbonyl, aminocarbonyl, alkylaminocarbonyl, dialkylaminocarbonyl or optionally halogenated alkylsulfonyl; X is a chemical bond, —C≡C—, —CH2—CH(R8)— or —CH═C(R8)—, wherein R8 is hydrogen, cyano, nitro, halogen, alkyl or haloalkyl; Y is oxygen or sulfur; their preparation and their use for controlling undesirable vegetation.Type: GrantFiled: February 1, 1999Date of Patent: March 6, 2001Assignee: BASF AktiengesellschaftInventors: Cyrill Zagar, Gerhard Hamprecht, Markus Menges, Olaf Menke, Peter Schäfer, Karl-Otto Westphalen, Ulf Misslitz, Helmut Walter
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Patent number: 6197179Abstract: The present invention relates to a novel process for coating objects by means of direct current, in which process an adjustable DC voltage is pulse-modulated with an adjustable AC voltage. The process is useful for electrochemical coating of objects with resinous coating material. Preferably, the pulse modulation of the DC voltage is limited to certain time intervals during the coating process and the pulse modulation is connected and disconnected with an adjustable duty ratio.Type: GrantFiled: September 17, 1997Date of Patent: March 6, 2001Assignee: BASF Coatings AGInventors: Klaus Arlt, Karin Eckert, Margaret Stockbrink, Rolf Schulte, Harald Berlin, Gerd Nienhaus
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Patent number: 6197922Abstract: Novel polyselenophenes comprising one or more structural units of the formulae (I) or (II) or (I) and (II) processes for preparing them, monomers for their preparation, their use in various technical sectors, and an electrically conducting material comprising them.Type: GrantFiled: September 9, 1998Date of Patent: March 6, 2001Assignee: BASF AktiengesellschaftInventors: Helmut Möhwald, Vladimir Belov, Wolfgang Schrof
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Patent number: 6197892Abstract: A functionalized polymer of the formula A—Z—X where A is a block of vinylaromatic monomers of 8 to 20, preferably 8 to 12, carbon atoms, Z is a basic building block of a compound having sterically hindering groups and X is a functionalized basic building block, the degree of functionalization of the polymer being at least 65%, preferably greater than 85%, particularly preferably at least 90%, a process for its preparation, thermoplastic molding materials containing said polymer, processes for their preparation, the use for the production of moldings, and moldings containing said molding materials.Type: GrantFiled: September 14, 1998Date of Patent: March 6, 2001Assignee: BASF AktiengesellschaftInventors: Robert Weiss, Axel Gottschalk
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Patent number: 6194538Abstract: A process for preparing a polyamide by reacting at least one aminonitrile with water comprises: (1) reacting at least one aminonitrile with water at a temperature from 100 to 360° C. and a pressure from 0.1 to 35×106 Pa to obtain a reaction mixture, (2) further reacting the reaction mixture at a temperature from 150 to 400° C. and a pressure which is lower than the pressure in step 1, the temperature and the pressure being selected so as to obtain a first gas phase and a first liquid or a first solid phase or a mixture of first solid and first liquid phase, and the first gas phase is separated from the first liquid or the first solid phase or from the mixture of first liquid and first solid phase, and (3) admixing the first liquid or the first solid phase or the mixture of first liquid and first solid phase with a gaseous or liquid phase comprising water at a temperature from 150 to 360° C. and a pressure from 0.1 to 30×106 Pa to obtain a product mixture.Type: GrantFiled: February 22, 1999Date of Patent: February 27, 2001Assignee: BASF AktiengesellschaftInventors: Robert Weiss, Dieter Krauss, Dieter Keller, Gunter Pipper, Wolfgang Harder, Alfons Ludwig, Ralf Mohrschladt
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Patent number: 6194624Abstract: A process for hydrogenating polyenes, especially 1,5,9-cyclododecatriene, to the corresponding monoenes, especially cyclododecene, using homogeneous ruthenium catalysts comprises hydrogenating in the presence of a carboxylic acid, advantageously a C1-C20 monocarboxylic acid, a C2-C6 dicarboxylic acid, cyclohexylcarboxylic acid, benzoic acid, terephthalic acid, phthalic acid or phenylacetic acid, especially acetic acid, propionic acid, succinic acid or adipic acid or a C12-C20 fatty acid. The homogeneous ruthenium catalyst is advantageously generated in situ prior to the hydrogenation. The in situ generation is carried out in the additional presence of CO or formaldehyde and the hydrogenation in the additional presence of triphenylphosphine.Type: GrantFiled: November 22, 1999Date of Patent: February 27, 2001Assignee: BASF AktiengesellschaftInventor: Rolf Pinkos
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Patent number: 6194623Abstract: A process is provided for the selective hydrogenation of at least one organic compound having at least one unsaturated group, by bringing the at least one organic compound into contact with a hydrogen-containing gas in the presence of a catalyst, wherein the catalyst comprises an active material which is applied to a solid electrolyte to which, in turn, a metallic substrate is connected in such a way that a current flows through the solid electrolyte, so that the active material can be kept at a constant potential and a voltage is applied toType: GrantFiled: August 11, 1999Date of Patent: February 27, 2001Assignee: BASF AktiengesellschaftInventors: Andrea Frenzel, Constantinos G. Vayenas, Alexandros Giannikos, Panagiotis Petrolekas, Constantinos Pliangos
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Patent number: 6194125Abstract: Photopolymeric letterpress printing plates which are to be developed with water or water/alcohol mixtures after imagewise exposure and have, arranged one on top of the other on a dimensionally stable substrate, a layer (A) which may be bonded to the dimensionally stable substrate by an adhesion-promoting layer and is crosslinkable by actinic radiation, a layer (B) which is sensitive to IR radiation and, if required, a parting layer arranged between layer (A) and layer (B), and a peelable protective film applied to the layer (B), are produced by a process in which the layer (A) contains a mixture of at least one polymeric binder which is soluble or dispersible in water or water/alcohol mixtures, copolymerizable ethylenically unsaturated organic compounds which are compatible with the polymeric binder and a photoinitiator, the layer (B) sensitive to IR radiation has an optical density ≧2.Type: GrantFiled: June 16, 1999Date of Patent: February 27, 2001Assignee: BASF Lacke & Farben AGInventors: Friedrich Goffing, Thomas Loerzer, Hartmut Sandig, Markus Tönnessen
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Patent number: 6194496Abstract: Flame-retardant thermoplastic molding materials containing A) at least one polyphenylene ether and B) at least one vinyl aromatic polymer, comprise C) as a flameproofing agent, a mixture of C1) at least one oligophosphonate or oligophosphate compound and C2) at least one phosphine oxide.Type: GrantFiled: November 5, 1998Date of Patent: February 27, 2001Assignee: BASF AktiengesellschaftInventors: Martin Weber, Joachim Seibring
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Patent number: 6193794Abstract: The iron oxide platelets comprise at least one layer packet comprising A) a colorless coating having a refractive index n≦1.8, and B) a colorless coating having a refractive index n≧2.0.Type: GrantFiled: March 2, 1999Date of Patent: February 27, 2001Assignee: BASF AktiengesellschaftInventors: Raimund Schmid, Oliver Seeger, Norbert Mronga
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Patent number: 6194417Abstract: Fungicidal mixtures, comprising a) oxime ether of the formula I where the substituents have the following meanings: X is oxygen or amino (NH); Y is CH or N; Z is oxygen, sulfur, amino (NH) or C1-C4-alkylamino (N—C1-C4-alkyl); R′ is C1-C6-alkyl, C1-C6-haloalkyl, C3-C6-alkenyl, C2-C6-haloalkenyl, C3-C6-alkynyl, C3-C6-haloalkynyl, C3-C6-cycloalkylmethyl, or is benzyl which can be partially or fully halogenated and/or can have attached to it one to three of the following radicals: cyano, C1-C4-alkyl, C1-C4-haloalkyl, C1-C4-alkoxy, C1-C4-halo-alkoxy and C1-C4-alkylthio; and/or b) a carbamate of the formula I, where T is CH or N, n is 0, 1 or 2 and R is halogen, C1-C4-alkyl or C1-C4-haloalkyl, it being possible for the radicals R to be different when n is 2, and c) (±)-(2-chlorophenyl)(4-chlorophenyl)(pyrimidin-5-yl)methanol in a synergistically active amount.Type: GrantFiled: September 21, 1998Date of Patent: February 27, 2001Assignee: BASF AktiengesellschaftInventors: Ruth Müller, Herbert Bayer, Hubert Sauter, Eberhard Ammermann, Gisela Lorenz, Siegfried Strathmann, Klaus Schelberger, Dietrich Mappes, Joachim Leyendecker, Bernd Müller
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Patent number: 6191179Abstract: A process for the preparation of foamed plastics materials based on polyisocyanate polyaddition products by the reaction of isocyanates with isocyanate-reactive compounds in the presence of catalysts and, optionally, auxiliaries and/or additives, wherein i) isocyanates having isocyanurate and/or biuret structures are used, the isocyanate-reactive compounds used are ii) at least one diol and/or polyol having a molecular weight of from 400 to 8000 and containing at least 50% of primary hydroxyl groups based on all of the hydroxyl groups present in the compound, iii) at least one compound having at least one primary amine group, and diols and/or triols having molecular weights of less than 400 are optionally used as chain-extending and/or crosslinking agents, the reaction being carried out in the presence of iv) at least one tertiary amine acting as catalyst and/or v) at least one metal salt acting as catalyst and vi) water.Type: GrantFiled: March 17, 1999Date of Patent: February 20, 2001Assignee: BASF AktiengesellschaftInventors: Dietrich Scherzer, Ulrich Treuling, Klaus Wagner, Rolf Illguth, Sarbananda Chakrabarti
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Patent number: 6191210Abstract: The invention relates to water-dilutable binders which can be prepared by subjecting (A) from 20 to 90% by weight of a mixture of (a1) from 3 to 50% by weight of acrylic acid, methacrylic acid or of a mixture of acrylic acid and methacrylic acid, and (a2) from 50 to 97% by weight of an ethylenically unsaturated monomer or of a mixture of ethylenically unsaturated monomers to free-radical polymerization in the presence of (B) from 9.9 to 79.9% by weight of a halogen-free copolymer composed of (b1) from 1 to 99, preferably from 50 to 90% by weight, of propylene, (b2) from 1 to 99, preferably from 10 to 50% by weight, of at least one olefin which is copolymerizable with (b1) and contains per molecule from five to twenty, preferably from six to eight, carbon atoms, with the exception of isoprene, and (b3) from 0 to 50, preferably from 0 to 25% by weight, of ethylene and/or butylene, or of a mixture of such copolymers, and (C) from 0.Type: GrantFiled: June 23, 1998Date of Patent: February 20, 2001Assignee: BASF Coatings AGInventors: Joachim Rösch, Harald Borgholte, Horst Hintze-Brüning
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Patent number: 6191215Abstract: Process for the preparation of pulverulent polymers by polymerization in supercritical carbon dioxide in the presence of polyoxyalkylene-polysiloxane copolyers The invention relates to a process for the preparation of pulverulent polymers by polymerization of ethylenically unsaturated monomers (a) in supercritical carbon dioxide as inert diluent, where the polymerization is carried out in the presence of polyoxyalkylene-polysiloxane copolymers.Type: GrantFiled: March 5, 1999Date of Patent: February 20, 2001Assignee: BASF AktiengesellschaftInventors: Eric Beckham, Ralf Fink, Volker Hildebrandt
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Patent number: 6190832Abstract: Photopolymeric gravure printing plates which are to be developed with water or water/alcohol mixtures after imagewise exposure and have, arranged one on top of the other on a dimensionally stable substrate, a layer (A) which may be bonded to the dimensionally stable substrate by an adhesion-promoting layer and is crosslinkable by actinic radiation, a layer (B) which is sensitive to IR radiation and, if required, a parting layer arranged between layer (A) and layer (B), and a peelable protective film applied to the layer (B), are produced by a process in which the layer (A) consists of a mixture of at least one polymeric binder which is soluble or dispersible in water or water/alcohol mixtures, copolymerizable ethylenically unsaturated organic compounds which are compatible with this polymeric binder, a photoinitiator or photoinitiator system and, if required, further assistants, the parting layer which may be arranged between layer (A) and layer (B) is oxygen-permeable and the layer (B) sensitive to IR radiatType: GrantFiled: October 28, 1998Date of Patent: February 20, 2001Assignee: BASF AktiengesellschaftInventors: Friedrich Goffing, Thomas Loerzer, Hartmut Sandig, Markus Tönnessen