Patents Assigned to BASF
  • Patent number: 6316514
    Abstract: Sound-damping and energy-absorbing flexible PUR foams are produced by reacting organic and/or modified organic polyisocyanates (a) with a polyetherol mixture (b) and, if desired, further compounds (c) bearing hydrogen atoms which are reactive toward isocyanates, in the presence of water and/or other blowing agents (d), catalysts (e) and, if desired, further auxiliaries and additives (f).
    Type: Grant
    Filed: May 24, 2000
    Date of Patent: November 13, 2001
    Assignee: BASF Aktiengesellschaft
    Inventors: Peter Falke, Inge Rotermund, Klaus Schmutzer, Kirsten Schmaler
  • Publication number: 20010037876
    Abstract: The invention provides an evaporator having a heatable heat exchange surface, which has a self-cleaning microstructured surface with elevations and depressions.
    Type: Application
    Filed: March 26, 2001
    Publication date: November 8, 2001
    Applicant: BASF Aktiengesellschaft
    Inventors: Carsten Oost, Thomas Domschke
  • Patent number: 6312480
    Abstract: Solid or pasty fuel additive compositions comprise a homogeneous mixture of a solid compacting agent soluble in fuel and at least one liquid fuel additive, the compositions having an additive content of from more than about 40 to 99% by weight, based on their total weight.
    Type: Grant
    Filed: July 25, 2000
    Date of Patent: November 6, 2001
    Assignee: BASF Aktiengesellschaft
    Inventors: Claus Peter Jakob, Christoph Bähr, Harald Schwahn, Dietmar Posselt
  • Patent number: 6312583
    Abstract: In a method of producing reduced sulfur dyes, the improvement comprising cathodically reducing a sulfur dye to produce at least 150 Ah.kg−1 of reduction equivalents with respect to the solid dye, wherein at least 50 Ah.kg−1 is introduced by cathodic reduction.
    Type: Grant
    Filed: March 6, 2000
    Date of Patent: November 6, 2001
    Assignee: BASF Aktiengesellschaft
    Inventors: Thomas Bechtold, Eduard Burtscher
  • Patent number: 6313295
    Abstract: An improved process for the preparation of 6-(perfluoroalkyl)uracil compounds having the structural formula I from carbamate compounds having the structural formula II
    Type: Grant
    Filed: February 28, 2001
    Date of Patent: November 6, 2001
    Assignee: BASF Aktiengesellschaft
    Inventor: Venkataraman Kameswaran
  • Patent number: 6313250
    Abstract: The invention relates to polyfunctionally reactive polymeric substances which contain at least two structural units of the general formulae (I) and/or (II) in the molecule and whose polymer backbone linkages are C—C bonds, ether bonds, urethane bonds, amide bonds, ketone bonds or combinations thereof. The substances are useful as binders for various applications.
    Type: Grant
    Filed: April 6, 1999
    Date of Patent: November 6, 2001
    Assignee: BASF Aktiengesellshaft
    Inventors: Rainer Blum, Lukas Haeussling, Wolfgang Reich
  • Patent number: 6313347
    Abstract: In the process for the preparation of vinyloxime ethers of the formula I by reacting an oxime with an alkyne where R1 and R2 are identical or different and are alkyl or aryl radicals, R3 is hydrogen, an alkyl or aryl radical, and R4 is a radical having the meaning of R3, which may be different than R3, or is a hydroxyalkyl radical, in a superbasic polar organic solvent in the presence of a strong base, the reaction is carried out under conditions such that the resulting vinyloxime ether stays in contact with the other constituents of the reaction mixture for only a short time so that it is unable to decompose or react to give secondary products to a significant extent.
    Type: Grant
    Filed: January 30, 2001
    Date of Patent: November 6, 2001
    Assignee: BASF Aktiengesekkschaft
    Inventors: Thomas Preiss, Jochem Henkelmann, Boris Trofimov, Albina Mikhaleva, Alexander M. Vasiltsov
  • Patent number: 6312958
    Abstract: The present invention relates to a method of marking liquids using at least two markers, wherein said markers absorb in the 600-1200 nm region of the spectrum and reemit fluorescent light and the absorption range of at least one marker overlaps with the absorption range of at least one other marker. The present invention further relates to a method for detecting markers in liquids marked by the method of the invention, which comprises using light sources which emit radiation in the absorption ranges of said markers and detecting the fluorescent light reemitted by said markers, at least one of said light sources emitting radiation in the overlapping absorption range of at least one marker with that of at least one other marker and the number of light sources being less than or equal to the number of markers. The present invention further relates to liquids marked by the method of the invention.
    Type: Grant
    Filed: October 20, 2000
    Date of Patent: November 6, 2001
    Assignee: BASF Aktiengesellschaft
    Inventors: Frank Meyer, Gerhard Wagenblast, Karin Heidrun Beck, Christos Vamvakaris
  • Patent number: 6313275
    Abstract: Azo compounds of the formula (I) are functionalized with heterocycles.
    Type: Grant
    Filed: July 3, 2000
    Date of Patent: November 6, 2001
    Assignee: BASF Aktiengesellschaft
    Inventors: Rolf Mülhaupt, Martin Baumert, Michael Geprägs
  • Patent number: 6312576
    Abstract: The present invention provides a multilayer film composition wherein at least two layers of the multilayer film composition are applied via electrophoretic deposition processes. In a preferred embodiment, the first layer of the multilayer film composition is a conductive film layer applied by a cationic electrodeposition process with a second layer applied directly to the conductive first layer via a cathodic electrodeposition process. Preferably, the second layer of the cathodic electrocoat coating composition comprises a carbamate functional cathodic resin.
    Type: Grant
    Filed: December 30, 1999
    Date of Patent: November 6, 2001
    Assignee: BASF Corporation
    Inventor: Timothy S. December
  • Patent number: 6313322
    Abstract: A process for preparing acetals of the formula I where a) the Rs are, independently of one another, a C1-C20-alkyl or C3-C20-alkenyl radical, or b) the two R radicals together form the members of an unsubstituted or C1-C10-alkyl-substituted 5- to 7-membered cyclic acetal, by reacting 3-methyl-2-butenal in the presence of sulfamic acid, of a N-(C1-C8-alkyl)sulfamic acid or of a N,N-di(C1-C8-alkyl)sulfamic acid as catalyst with: an alcohol of the formula R—OH (IIa), or an orthoester of the formula HC—(OR)3 (III) or a mixture of an alcohol of the formula (IIa) and an orthoester of the formula (III), or an alcohol of the formula HO—(CH2)m—OH (IIb), where m is a number from 2 to 4, and (CH2)m group in the alcohol IIb may be substituted by a C1-C10-alkyl group.
    Type: Grant
    Filed: February 1, 2000
    Date of Patent: November 6, 2001
    Assignee: BASF Aktiengesellschaft
    Inventors: Gisela Hieber, Klaus Ebel
  • Patent number: 6313070
    Abstract: Storage-stable aqueous formulations comprising a) 0.1-60% by weight of a tetrahydrophthalimide of the formula I  where R1=H, F, Cl; R2=CH═C(Cl)—CO—B or CH═C(Br)—CO—B (B=C1-C6-alkyl, unsubstituted or substituted OH or SH); a group OR5, SR5, COOR5, OCH2COOR5, CH2—CO—OR6 or (C1-C6-alkyl)sulfonylamino; R5=H, C1-C6-alkyl, C3-C7-cycloalkyl, C2-C8-alkenyl, C2-C6-alkynyl, (C1-C6-alkoxy)carbonyl-C1-C6-alkyl or C1-C6-alkyloximino-C1-C6-alkyl R3=Cl, CN; R6=is H, C1-C6-alkyl, C2-C8-alkenyl, C2-C6-alkynyl, C3-C7-cycloalkyl, C1-C6-alkoxy-C1-C6-alkyl or C1-C6-alkyloximino-C1-C6-alkyl; b) 0.1-30% by weight of an anionic surfactant; c) 0.1-30% by weight of a non-ionic surfactant; d) 0.01-5% by weight of a thixotroping additive; e) 0-50% by weight of other herbicidal active ingredients; f) 0-20% by weight of other formulation auxiliaries, and g) 1-90% of water.
    Type: Grant
    Filed: July 6, 2000
    Date of Patent: November 6, 2001
    Assignee: BASF Aktiengesellschaft
    Inventors: Matthias Bratz, Rainer Berghaus, August Wigger, Adolf Parg, Wessel Nuyken
  • Patent number: 6313358
    Abstract: Hexanediol is prepared by hydrogenating dialkyl adipates or mixtures which contain a dialkyl adipate as the essential component and organic halogen compounds as impurities, by a process in which, before the hydrogenation, the dialkyl adipates or the mixtures containing dialkyl adipates are passed at from 50 to 250° C. and from 1 to 100 bar over copper catalysts which have a copper content, calculated as CuO, of from 0.5 to 80% by weight, a surface area of from 5 to 1500 m2/g, a porosity of from 0.05 to 1.5 cm3/g and a copper surface area of from 0.1 to 20 m2/g, in order to remove the organic halogen compounds.
    Type: Grant
    Filed: October 11, 2000
    Date of Patent: November 6, 2001
    Assignee: BASF Aktiengesellschaft
    Inventors: Boris Breitscheidel, Rolf Pinkos, Frank Stein
  • Patent number: 6310109
    Abstract: The invention relates to a process for preparing styrene polymers comprising water as sole blowing agent, by polymerizing styrene in aqueous suspension. The polymerization is carried out in the presence of from 5 to 30% by weight of recycled EPS material dissolved in styrene and comprising customary coating agents deriving from production of the EPS.
    Type: Grant
    Filed: September 20, 2000
    Date of Patent: October 30, 2001
    Assignee: BASF Aktiengesellschaft
    Inventors: Guiscard Glück, Klaus Hahn, Roland Gellert
  • Patent number: 6310071
    Abstract: 2-(O-[pyrimidin-4-yl]methylenoxy)phenylacetic acid derivatives of the general formula I and the salts and N-oxides thereof where the radicals R1 to R4 and Q have the following meanings: R1 is hydrogen or alkyl; R2 is halogen, alkyl or haloalkyl; R3 is hydrogen; amino; hydroxyl; mercapto; halogen; unsubstituted or phenyl-substituted alkyl; haloalkyl; alkoxyalkyl; alkoxy; monoalkylamino; dialkylamino; alkylthio; alkylsulfoxyl; alkylsulfonyl; cycloalkyl; trialkylsilyloxy, or: phenyl, phenoxy, phenoxymethyl, benzyloxy or hetaryl, unsubstituted or substituted in the aromatic ring; R4 is hydrogen; cyano; halogen; alkyl; haloalkyl or alkoxy; Q is C(═NOCH3)—CONHCH3, C(═NOCH3)—COOCH3 or N(OCH3)—COOCH3, the salts and N-oxides thereof, and their use for controlling harmful fungi and animal pests.
    Type: Grant
    Filed: June 26, 2000
    Date of Patent: October 30, 2001
    Assignee: BASF Aktiengesellschaft
    Inventors: Klaus Oberdorf, Wassilios Grammenos, Hubert Sauter, Thomas Grote, Reinhard Kirstgen, Ruth Müller, Bernd Müller, Franz Röhl, Michael Rack, Herbert Bayer, Gisela Lorenz, Eberhard Ammermann, Siegfried Strathmann, Volker Harries
  • Patent number: 6310261
    Abstract: The invention relates to a method for the production of aldehydes or aldehydes and alcohols by hydroformylation of olefins in the presence of a complexing catalyst homogeneously dissolved in a reaction mixture, containing a metal of Group VIIIa of the periodic table of the elements and a phosphorus-free, polydentate nitrogen compound suitable for complex formation as ligand at temperatures ranging from 50 to 100° C.
    Type: Grant
    Filed: July 3, 2000
    Date of Patent: October 30, 2001
    Assignee: BASF Aktiengesellschaft
    Inventors: Bernhard Geissler, Michael Röper, Edgar Zeller, Rocco Paciello, Jürgen Decker, Hartwig Voss, Norbert Mahr
  • Patent number: 6310245
    Abstract: The invention relates to 2-benzoylcyclohexane-1,3-diones of the formula I where R1, R2 are hydrogen, nitro, halogen, cyano, thiocyanato, alkyl, haloalkyl, alkoxyalkyl, alkenyl, alkynyl, —OR5, —OCOR6, —OSO2R6, —SH, —S(O)nR7, —SO2OR5, —SO2NR5R8, —NR8SO2R6 or —NR8COR6; R3 is hydrogen, alkyl, haloalkyl, alkenyl or alkynyl; R4 is hydrogen, unsubstituted or substituted alkyl, cycloalkyl, alkenyl, cycloalkenyl, alkynyl, —COR9, —CO2R9, —COSR9 or —CONR8R9; X is oxygen or sulfur; Z is oxygen or NR8; m is 0 or 1; n is 0, 1 or 2; R5 is hydrogen, alkyl, haloalkyl, alkoxyalkyl, alkenyl or alkynyl; R6 is alkyl or haloalkyl; R7 is alkyl, haloalkyl, alkoxyalkyl, alkenyl or alkynyl; R8 is hydrogen or alkyl; R9 is alkyl, alkenyl, alkynyl, phenyl or benzyl; R10 is alkyl, haloalkyl, alkenyl or alkynyl; Q is an unsubstituted or substituted cyclohexane-1,3-dione ring which is linked in the 2-position; where m is 1 if R3 is
    Type: Grant
    Filed: June 23, 1999
    Date of Patent: October 30, 2001
    Assignee: BASF Aktiengesellschaft
    Inventors: Uwe Kardorff, Regina Luise Hill, Michael Rack, Wolfgang von Deyn, Stefan Engel, Martina Otten, Matthias Witschel, Ernst Baumann, Joachim Rheinheimer, Guido Mayer, Ulf Misslitz, Karl-Otto Westphalen, Helmut Walter
  • Patent number: 6310173
    Abstract: The batch process for producing a polyamide by reaction of a mixture comprising at least one aminonitrile, and optionally monomers useful for polyamide production, with water, comprises the following steps: (1) reacting the mixture with water at a temperature from 90 to 400° 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 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 370° C.
    Type: Grant
    Filed: July 13, 2000
    Date of Patent: October 30, 2001
    Assignee: BASF Aktiengesellschaft
    Inventors: Ralf Mohrschladt, Volker Hildebrandt
  • Patent number: 6309620
    Abstract: A process for preparing carbonyl iron silicide comprises heat treatment of an iron/silicon mixture comprising a) from 20 to 99.9% by weight of finely divided carbonyl iron and b) from 0.1 to 80% by weight of finely divided silicon powder. Also provided are a carbonyl iron silicide obtainable by alloying carbonyl iron with silicon and a carbonyl iron suicide which has a higher inductance than carbonyl iron powder.
    Type: Grant
    Filed: July 21, 1999
    Date of Patent: October 30, 2001
    Assignee: BASF Aktiengesellschaft
    Inventors: Reinhold Schlegel, Gabriele Friedrich
  • Patent number: 6310114
    Abstract: Compact and preferably cellular polyurethane elastomers are produced by reacting a) polyhydroxyl compounds having molecular weights of from 800 to 6000 and, if desired, b) chain extenders and/or crosslinkers having molecular weights of up to 800 [lacuna] c) naphthylene 1,5-diisocyanate and at least one additional aromatic diisocyanate selected from the group consisting of tolylene diisocyanate, diphenylmethane diisocyanate, 3,3′-dimethylbiphenyl diisocyanate, 1,2-diphenylethane diisocyanate and phenylene diisocyanate, and/or aliphatic diisocyanate having from 4 to 12 carbon atoms and/or cycloaliphatic diisocyanate having from 6 to 18 carbon atoms, where the formative components (a), (c) and, if used, (b) are preferably reacted by the prepolymer method, in the presence or absence of d) catalysts, e) blowing agents and f) additives. Isocyanate prepolymers suitable for this purpose are also described.
    Type: Grant
    Filed: August 21, 1998
    Date of Patent: October 30, 2001
    Assignee: BASF Aktiengesellschaft
    Inventors: Manfred Genz, Walter Haselhorst, Torsten Jeschke, Ute Nichau, Heinz Bollmann, Michael Strauss, Wolfgang Scholz, Rüdiger Voelkel, Hartmut Peuker, Gerhard Hellmann