Patents Assigned to BASF
  • Patent number: 6031110
    Abstract: Compounds of the general formula I ##STR1## where the index and the substituents have the following meanings: n is 0 or 1 to 4;X is O or S;Y is a five-membered heteroaromatic ring;R.sup.1 is nitro; cyano; halogen; alkyl; haloalkyl; alkoxy; haloalkoxy; alkylthio; phenyl or phenoxy;R.sup.2 is hydrogen; alkyl, alkenyl or alkynyl;or a saturated or unsaturated ring which, in addition to carbon atoms, can also contain hetero atoms as ring members are described.
    Type: Grant
    Filed: August 21, 1995
    Date of Patent: February 29, 2000
    Assignee: BASF Aktiengesellschaft
    Inventors: Reinhard Kirstgen, Wassilios Grammenos, Herbert Bayer, Reinhard Doetzer, Hartmann Koenig, Klaus Oberdorf, Hubert Sauter, Horst Wingert, Gisela Lorenz, Eberhard Ammermann, Volker Harries
  • Patent number: 6028073
    Abstract: N-substitued 3-azabicyclo[3.2.0]heptane derivatives of formula (I) ##STR1## in which R.sup.1, R.sup.2, A, X, Y and Z have the meanings given in the description, their method of preparation and their use as pharmacological agents.
    Type: Grant
    Filed: September 18, 1998
    Date of Patent: February 22, 2000
    Assignee: BASF Aktiengesellschaft
    Inventors: Gerd Steiner, Rainer Munschauer, Thomas Hoger, Liliane Unger, Hans-Jurgen Teschendorf
  • Patent number: 6028035
    Abstract: The invention relates to 4-benzoylpyrazoles of the formula I and their agriculturally useful salts thereof, processes and intermediates; compositions thereof; and use thereof for controlling undesireable plants.
    Type: Grant
    Filed: June 23, 1999
    Date of Patent: February 22, 2000
    Assignee: BASF Aktiengesellschaft
    Inventors: Regina Luise Hill, Uwe Kardorff, Michael Rack, Norbert Gotz, Ernst Baumann, Wolfgang von Deyn, Stefan Engel, Guido Mayer, Martina Otten, Joachim Rheinheimer, Matthias Witschel, Ulf Misslitz, Helmut Walter, Karl-Otto Westphalen
  • Patent number: 6028179
    Abstract: Trisazo dyes of the general formula I ##STR1## where R.sup.1 is hydrogen, C.sub.1 -C.sub.4 -alkyl, halogen, nitro, hydroxysulfonyl, sulfamoyl, mono- or di-C.sub.1 -C.sub.4 -alkylsulfamoyl, C.sub.1 --C.sub.4 -alkylsulfonyl or C.sub.1 -C.sub.4 -alkoxysulfonyl,R.sup.2 is hydrogen, halogen, nitro or hydroxysulfonyl, at least one of R.sup.1 and R.sup.2 being nitro,R.sup.3 and R.sup.4 are each independently of the other hydroxyl or amino,R.sup.5 is hydrogen, C.sub.1 -C.sub.4 -alkyl, hydroxysulfonyl, sulfamoyl, mono- or di-C.sub.1 -C.sub.4 -alkylsulfamoyl, C.sub.1 -C.sub.4 -alkylsulfonyl, C.sub.1 -C.sub.4 -alkoxysulfonyl or carboxyl,R.sup.6 is hydrogen or C.sub.1 -C.sub.4 -alkyl,R.sup.7 is hydrogen, C.sub.1 -C.sub.4 -alkyl, hydroxysulfonyl, sulfamoyl, mono- or di-C.sub.1 -C.sub.4 -alkylsulfamoyl, C.sub.1 -C.sub.4 -alkylsulfonyl, C.sub.1 -C.sub.4 -alkoxysulfonyl, SO.sub.2 N(CH.sub.2 COOH).sub.2 or carboxyl,R.sup.8 is hydrogen, C.sub.1 -C.sub.4 -alkyl, hydroxyl, C.sub.1 -C.sub.
    Type: Grant
    Filed: October 5, 1998
    Date of Patent: February 22, 2000
    Assignee: BASF Aktiengesellschaft
    Inventors: Gerhard Scholz, Gunther Lamm
  • Patent number: 6027800
    Abstract: Thermoplastic manufactured articles are provided which exhibit an advantageous combination of high gloss and high environmental stress crack resistance, made from a polymeric composition comprising:(a) high impact polystyrene having a gloss at 60 degrees of greater than 85% and an impact resistance of greater than 0.7 ft-lb/inch;(b) high density polyethylene which has a density greater than or equal to about 0.94 g/cm.sup.3, and which has a stress exponent less than or equal to about 1.70; and(c) a compatibilizing polymer for components (a) and (b), selected from the group consisting of diblock styrene butadiene copolymers, triblock styrene butadiene copolymers, diblock styrene isoprene copolymers, triblock styrene isoprene copolymers, and mixtures thereof,wherein the gloss at 60 degrees of the composition is greater than or equal to about 85%, and the environmental stress crack resistance measured in minutes until breakage at 1000 psi is greater than about 60.
    Type: Grant
    Filed: December 19, 1997
    Date of Patent: February 22, 2000
    Assignee: BASF Corporation
    Inventor: Hrong-Roang Sheu
  • Patent number: 6026656
    Abstract: In a process for crystallizing material to be isolated, fluid is vaporized from a melt or a solution comprising the material to be isolated and the fluid and the vaporized fluid is condensed or absorbed in a liquid material to form a liquid mixture, wherein the fluid components to be condensed/absorbed have partial pressures over the liquid mixture which are smaller than the partial pressures of these components over the crystallizing solution/melt and the freezing point of the liquid mixture is lower than the condensation/absorption temperature in the liquid mixture.
    Type: Grant
    Filed: April 29, 1998
    Date of Patent: February 22, 2000
    Assignee: BASF Aktiengesellschaft
    Inventors: Bernd Eck, Jorg Heilek
  • Patent number: 6028167
    Abstract: Phenolsulfonic acid-formaldehyde condensates are used as assistants in the drying of aqueous polymer dispersions.Also described are a process for preparing polymer powders by drying, using these condensates; the polymer powders obtainable by the process; and their use as binders.
    Type: Grant
    Filed: January 20, 1999
    Date of Patent: February 22, 2000
    Assignee: BASF Aktiengesellschaft
    Inventors: Joachim Pakusch, Maximilian Angel, Joachim Roser, Andree Dragon, Heinrich Sack
  • Patent number: 6027806
    Abstract: The present invention relates to an expanded resin bead comprising:a core which comprises a crystalline thermoplastic resin and is in an expanded state, anda coat which comprises an ethylene-based polymer which is lower in melting point than said thermoplastic resin or shows substantially no melting point, and which coat is in a substantially unexpanded state.
    Type: Grant
    Filed: January 6, 1998
    Date of Patent: February 22, 2000
    Assignee: Mitsubishi Chemical BASF Company Limited
    Inventors: Tadashi Abe, Masaaki Yokoyama, Toshihiro Gotoh, Teruya Ohkuwa
  • Patent number: 6028204
    Abstract: The disclosure is a process for preparing a phthalide of the general formula I ##STR1## where R.sup.1, R.sup.2, R.sup.3 and R.sup.4 are each independently of the others hydrogen, C.sub.1 -C.sub.4 -alkyl or C.sub.1 -C.sub.4 -alkoxy, by catalytic hydrogenation of a phthalic anhydride of the general formula II ##STR2## where R.sup.1, R.sup.2, R.sup.3 and R.sup.4 are each as defined above, in a solvent, which comprises using said phthalide I, the reaction product of the catalytic hydrogenation, as solvent.
    Type: Grant
    Filed: December 16, 1998
    Date of Patent: February 22, 2000
    Assignee: BASF Aktiengesellschaft
    Inventors: Klemens Massonne, Rainer Becker, Wolfgang Reif, Horst Neuhauser, Andreas Gieseler, Klaus Mundinger
  • Patent number: 6028033
    Abstract: There are described N-aminopyridone derivatives of the formula I: ##STR1## where the substituents R.sup.1 to R.sup.12 have the meanings given in claim 1, a process for their preparation, and their use for controlling undesirable vegetation.
    Type: Grant
    Filed: November 6, 1997
    Date of Patent: February 22, 2000
    Assignee: BASF Aktiengesellschaft
    Inventors: Regina Luise Hill, Wolfgang von Deyn, Uwe Kardorff, Stefan Engel, Martina Otten, Marcus Vossen, Ralf Klintz, Helmut Walter, Ulf Misslitz, Karl-Otto Westphalen
  • Patent number: 6028122
    Abstract: The invention relates to compositions and method for producing energy absorbing, water blown, rigid polyurethane foams. The resulting polyurethane foams are low density, predominately open celled foams which exhibit a relatively constant consistency of compressive strength over deflectors. Such foams are suitable as lightweight alternatives to traditional energy absorbing applications.
    Type: Grant
    Filed: October 21, 1997
    Date of Patent: February 22, 2000
    Assignee: BASF Corporation
    Inventors: Lori R. Everitt, Richard P. Harrison, Vechelle R. Onufrak
  • Patent number: 6028093
    Abstract: Fungicidal mixtures, comprisinga) a carbamate of the formula I ##STR1## where T is CH or N, n is 0, 1 or 2 and R is halogen, C.sub.1 -C.sub.4 -alkyl or C.sub.1 -C.sub.4 -haloalkyl, it being possible for the radicals R to be different when n is 2, and/orb) an oxime ether of the formula II, ##STR2## where the substituents have the following meanings: X is oxygen or amino;Y is CH or N;Z is oxygen, sulfur, amino or C.sub.1 -C.sub.4 -alkylaminoR' is C.sub.1 -C.sub.6 -alkyl, C.sub.1 -C.sub.6 -haloalkyl, C.sub.3 -C.sub.6 -alkenyl, C.sub.2 -C.sub.6 -haloalkenyl, C.sub.3 -C.sub.6 -alkynyl, C.sub.3 -C.sub.6 -haloalkynyl, C.sub.3 -C.sub.6 -cycloalkyl-methyl, 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, C.sub.1 -C.sub.4 -alkyl, C.sub.1 -C.sub.4 -haloalkyl, C.sub.1 -C.sub.4 -alkoxy, C.sub.1 -C.sub.4 -haloalkoxy and C.sub.1 -C.sub.4 -alkylthio; andc) a carbamate of the formula III(CH.sub.3).sub.2 N--CH.sub.2 CH.sub.2 CH.sub.
    Type: Grant
    Filed: October 21, 1998
    Date of Patent: February 22, 2000
    Assignee: BASF Aktiengesellschaft
    Inventors: Bernd Muller, Hubert Sauter, Eberhard Ammermann, Gisela Lorenz, Siegfried Strathmann, Klaus Schelberger, Maria Scherer, Dietrich Mappes, Joachim Leyendecker, Herbert Bayer, Ruth Muller
  • Patent number: 6028130
    Abstract: Flame-retardant thermoplastic molding compositions comprise A) at least one polyphenylene ether, andB) at least one vinylaromatic polymer, wherein the thermoplastic molding composition includesC) at least one oligomeric phosphorus compound as flame retardant andD) a mixture ofD.sub.1) at least one sterically hindered phenol andD.sub.2) at least one phosphonite as stabilizer,and are used to produce fibers, films and shaped articles.
    Type: Grant
    Filed: June 26, 1997
    Date of Patent: February 22, 2000
    Assignee: BASF Aktiengesellschaft
    Inventors: Martin Weber, Joachim Seibring
  • Patent number: 6028027
    Abstract: Catalysts comprising iron and potassium and, if desired, further elements, which catalysts are suitable for dehydrogenating hydrocarbons to give the corresponding olefinically unsaturated hydrocarbons, are prepared by calcining a finely divided dry or aqueous mixture of an iron compound with a potassium compound and, if desired, compounds of further elements in a first step that agglomerates having a diameter of from 5 to 50 .mu.m and formed from smaller individual particles are obtained and, in a second step, preferably after shaping, calcining it at from 300 to 1000.degree. C., with the maximum calcination temperature in the second step preferably being at least 30.degree. below the calcination temperature in the first step. The catalysts thus prepared are useful, in particular, for dehydrogenating ethylbenzene to give styrene.
    Type: Grant
    Filed: March 17, 1998
    Date of Patent: February 22, 2000
    Assignee: BASF Aktiengesellschaft
    Inventors: Michael Baier, Christopher William Rieker, Otto Hofstadt, Wolfgang Buchele, Wolfgang Jurgen Popel, Hermann Petersen, Norbert Neth
  • Patent number: 6028215
    Abstract: A process for preparing esters from alcohol and carboxylic acid by a) feeding a mixture, comprising at least alcohol and/or carboxylic acid as educts, into a distillation column with separated sections containing reactive and conventional internals, wherein the reactive internals are arranged below the inlet of the mixture and conventional internals are arranged above the inlet of the mixture, b) reaction of the alcohol and the carboxylic acid in the reactive internals in presence of a catalyst, c) distillative separation of the evolving reaction mixture into the higher boiling ester and a lower boiling azeotrope containing alcohol, water and ester, wherein the ester accumulates in the bottom and the azeotrope is removed overhead, d) separation of the azeotrope in a phase separator in an aqueous phase and in an organic phase and the organic phase to be returned to the top of the column, wherein in step b) a heterogenous catalyst is utilized and in step c) the ester is taken off above the bottom as pure produc
    Type: Grant
    Filed: July 6, 1998
    Date of Patent: February 22, 2000
    Assignee: BASF Aktiengesellschaft
    Inventors: Bernd Bessling, Bernd Lohe, Rudiger Welker, Walter Disteldorf, Jean Werner Knab
  • Patent number: 6028135
    Abstract: A process for the preparation of aqueous polymer dispersions of low viscosity with polymer volume concentrations of at least 50% by volume, based on the polymer dispersion, by free-radical emulsion polymerization of ethylenically unsaturated monomers, with the exception of vinyl halides and vinylidene halides, in the presence of at least one initiator and at least one initial polymer involves emulsifying the major proportion of the monomers in an aqueous dispersion of the initial polymer and supplying this emulsion continuously to the polymerization reaction.
    Type: Grant
    Filed: June 17, 1997
    Date of Patent: February 22, 2000
    Assignee: BASF Aktiengesellschaft
    Inventors: Peter Keller, Bernhard Schuler, Bernd Stanger
  • Patent number: 6025447
    Abstract: Graft copolymers are obtainable bya) reacting vinylaromatic compounds with conjugated dienes to form polymers A) which contain C.dbd.C double bonds,b) hydroformylating C.dbd.C double bonds present in the polymer A) in the presence of carbon monoxide, hydrogen and a hydroformylation catalyst to form a polymer B),c) isolating the partially or completely hydroformylated polymer B),d) carrying out a C--C-coupling reaction on the formyl groups of the polymer B) with incorporation of a vinylaromatic unit to form a polymer C) ande) reacting the polymer C) with vinylaromatic compounds in the presence of a metallocene catalyst system.
    Type: Grant
    Filed: September 21, 1998
    Date of Patent: February 15, 2000
    Assignee: BASF Aktiengesellschaft
    Inventors: Josef Wunsch, Edgar Zeller
  • Patent number: 6025433
    Abstract: To offer thermosetting paint compositions resistant to yellowing to brass, which give paint films of excellent resistance to yellowing due to brass, low-temperature curability, weather resistance, resistance to yellowing after stoving, acid resistance, scratch resistance, solvent resistance, adhesion and appearance. Thermosetting paint compositions, which are thermosetting paint compositions which are resistant to yellowing due to brass, characterized in that the paint-film-forming components include (A) a compound which has per molecule at least 2 functional groups which can react with an isocyanate group, at 49.6-90 wt %, (B) a blocked isocyanate which has par molecule at least 2 isocyanate groups blocked by an azole blocking agent, at 9.6-50 wt %, (C) an ultraviolet absorber and/or free radical scavenger, at 0.2-5 wt %, (D) an organotin compound at 0.1-3 wt %, and (E) an amino resin at 0.1-30 wt %.
    Type: Grant
    Filed: July 21, 1998
    Date of Patent: February 15, 2000
    Assignee: BASF Coatings AG
    Inventors: Kishio Shibatoh, Souichi Mori, Yasuhiro Monma
  • Patent number: 6023823
    Abstract: The present invention provides an improved method and apparatus for uniformly treating strand-like material. The apparatus comprises a coiler head having a coiler diameter d and a conveyor belt having a belt width w, wherein the ratio of the coiler diameter d to the belt width w is from about 1.05:1 to about 1.40:1. The method comprises treating the strand-like material in such apparatus.
    Type: Grant
    Filed: March 22, 1999
    Date of Patent: February 15, 2000
    Assignee: BASF Corporation
    Inventors: Ling Yeh, James M. Philyaw, James P. Sullivan
  • Patent number: 6025322
    Abstract: Polycationic condensates obtainable by condensing(a) piperazine, 1-alkylpiperazines having 1 to 25 carbon atoms in the alkyl group, 1,4-dialkylpiperazines having 1 to 25 carbon atoms in the alkyl group, 1,4-bis(3-aminopropyl)piperazine, 1-(2-aminoethyl)piperazine, 1-(2-hydroxyalkyl)piperazines having 2 to 25 carbon atoms in the alkyl group, imidazole, C.sub.1 -C.sub.25 -alkylimidazoles or mixtures of said compounds with(b) alkylene dihalides, epihalohydrins and/or bisepoxidesin the molar ratio from 1:0.8 to 1:1.1 and, where appropriate, quaternization of the condensates with C.sub.4 -C.sub.25 -alkylating agents or by heating triethanolamine or triisopropanolamine in the presence of acidic catalysts and quaternizing the condensates with C.sub.4 -C.sub.25 -alkylating agents as color-fixing additive to detergents and fabric conditioners, and detergents which comprise(i) 1-50% by weight of at least one nonionic surfactant,(ii) 0-4.0% by weight of an anionic surfactant and(iii) 0.05-2.
    Type: Grant
    Filed: April 21, 1999
    Date of Patent: February 15, 2000
    Assignee: BASF Aktiengesellschaft
    Inventors: Dieter Boeckh, Hans-Ulrich Jager, Jurgen Alfred Lux