Patents Assigned to BASF
  • Process of making composile fibers and microfibers
    Patent number: 5736083
    Abstract: A process for making composite fibers includes making composite fibers having at least two different polymers, one of which is a water-insoluble polyolefin and the other is a water-soluble polymer, having a plurality of at least 19 segments of the water-insoluble polyolefin, uniformly distributed across the cross-section of the fiber and being surrounded by the water-soluble polymer.
    Type: Grant
    Filed: April 18, 1995
    Date of Patent: April 7, 1998
    Assignee: BASF Corporation
    Inventor: Jeffrey S. Dugan
  • Nickel-containing hydrogenation catalysts
    Patent number: 5736484
    Abstract: A catalyst suitable for hydrogenating organic compounds, essentially containing from 65 to 80% of nickel, calculated as nickel oxide, from 10 to 25% of silicon, calculated as silicon dioxide, from 2 to 10% of zirconium, calculated as zirconium oxide, and from 0 to 10% of aluminum, calculated as aluminum oxide, with the proviso that the sum of the content of silicon dioxide and aluminum oxide is at least 15% (percentages in % by weight, based on the total weight of the catalyst), obtainable by addition of an acidic aqueous solution of nickel, zirconium and, if desired, aluminum salts to a basic aqueous solution or suspension of silicon compounds and if desired aluminum compounds, the pH of the mixture thus obtained being decreased to at least 6.
    Type: Grant
    Filed: September 12, 1996
    Date of Patent: April 7, 1998
    Assignee: BASF Aktiengesellschaft
    Inventors: Peter Polanek, Harald Schwahn, Matthias Irgang, Cristina Freire Erdbrugger
  • Solderable wire-coating compositions and process for the continuous coating of wires
    Patent number: 5736193
    Abstract: The present invention relates to solderable wire-coating compositions based on hydroxyl group-containing polyesters, blocked polyisocyanates, organic solvents and catalysts, which are characterized in that they containA) from 7 to 25% by weight of hydroxyl group-containing polyesters,B) from 55 to 70% by weight of a fully blocked aromatic diisocyanate adduct or of a plurality of fully blocked aromatic diisocyanate adducts,C) from 0.1 to 3% by weight of catalysts,D) from 1 to 8% by weight of a polyol or of a plurality of polyols, andE) from 1 to 36.9% by weight of an alkylene carbonate or of a plurality of alkylene carbonates,the total weight of the wire-coating compositions in each case being 100% by weight.The present invention also relates to a process for the continuous coating of wires using the solderable wire-coating compositions described.
    Type: Grant
    Filed: September 5, 1995
    Date of Patent: April 7, 1998
    Assignee: BASF Lacke +Farben, AG
    Inventors: Michael Schink, Klaus Wilhelm Lienert, Joachim Runge, Silvia Hentschel
  • Heteroaromatic compounds and crop protection agents containing them
    Patent number: 5736566
    Abstract: Heteroaromatic compounds of the formulae IA and IB ##STR1## where the dashed line is a double bond between the carbon atom and a Z atom, and the index and the substituents have the following meanings:R.sup.1 alkyl, alkoxy, alkylaminoR.sup.2 alkyl;A a direct bond; alkylene, alkenylene, alkynylene; O, S, S-oxides, N and alkylene derivatives or oxime radicals thereofB hydrogen, halogen, alkyl, alkenyl, alkynyl; cycloalkyl, cycloalkenyl, cycloalkynyl, heterocyclyl, aryl, hetarylU CH.sub.2, CHCl, CHR.sup.2 or NOR.sup.2 ;X hydrogen, cyano, nitro, halogen, alkyl, alkenyl, alkynyl, cycloalkyl, cycloalkenyl, heterocyclyl, aryl, hetaryl; oxi- and thio derivatives thereof, carbonyl derivatives thereof, carbonyloxy derivatives thereof, amino derivatives thereof, oxime derivatives thereof, amino which may bear one or two of the abovementioned groups;m 1 or 2,Y oxygen or sulfur;Z.sup.1 -Z.sup.2, Z.sub.3 -Z.sub.
    Type: Grant
    Filed: July 7, 1997
    Date of Patent: April 7, 1998
    Assignee: BASF Aktiengesellschaft
    Inventors: Bernd Mueller, Hubert Sauter, Horst Wingert, Hartmann Koenig, Franz Roehl, Eberhard Ammermann, Gisela Lorenz
  • Triphenylene compounds and preparation of discotic liquid crystalline crosslinked polymers
    Patent number: 5736068
    Abstract: Novel triphenylene compounds which contain, bonded to the triphenylene framework, at least three ethylenically unsaturated groups or groups carrying oxiranyl or thiiranyl groups, and a process for the preparation of discotic liquid crystalline crosslinked polymers.
    Type: Grant
    Filed: May 22, 1996
    Date of Patent: April 7, 1998
    Assignee: BASF Aktiengesellschaft
    Inventors: Lukas Haeussling, Dirk Funhoff, Karl Siemensmeyer, Karl-Heinz Etzbach, Friedrich Closs, Helmut Ringsdorf, Peter Schuhmacher
  • Antistatic colored thermoplastic molding materials
    Patent number: 5736598
    Abstract: A thermoplastic molding composition which includes a thermoplastic polymer andA) a dye which is soluble therein, andB) a N,N-bis (2-hydroxyethyl )-C.sub.6 -C.sub.22 -alkylamine or N,N-bis (2-hydroxyethyl) -C.sub.6 -C.sub.22 -alkenylamine, this compound having a Hazen color number as specified in German Standards Specification DIN 53409 of below 300.
    Type: Grant
    Filed: January 23, 1996
    Date of Patent: April 7, 1998
    Assignee: BASF Aktiengesellschaft
    Inventors: Wolfgang Fischer, Karl Hennig, Norbert Mosbach, Rainer Neumann, Bernd Niedermaier
  • Goniochromatic luster pigments with aluminum coating
    Patent number: 5733364
    Abstract: Goniochromatic luster pigments based on multiply coated platelet-shaped metallic substrates comprising at least one layer packet ofA) a layer consisting essentially of silicon oxide, silicon oxide hydrate, aluminum oxide and/or aluminum oxide hydrate, andB) a metallic layer which consists essentially of aluminum and is at least partially transparent to visible light,and also, if desired, additionallyC) an outer layer which consists essentially of colorless or selectively absorbing metal oxide and/or is phosphate-, chromate- and/or vanadate-containing,are useful for coloring paints, inks, including printing inks, plastics, glasses, ceramic products and decorative cosmetic preparations.
    Type: Grant
    Filed: April 25, 1996
    Date of Patent: March 31, 1998
    Assignee: BASF Aktiengesellschaft
    Inventors: Raimund Schmid, Norbert Mronga, Jorg Adel
  • Substituted 2-phenylpyridines
    Patent number: 5733850
    Abstract: Substituted 2-phenylpyridines I ##STR1## where the substituents have the meaning given in the specification and their use.
    Type: Grant
    Filed: July 3, 1997
    Date of Patent: March 31, 1998
    Assignee: BASF Aktiengesellschaft
    Inventors: Peter Schafer, Gerhard Hamprecht, Elisabeth Heistracher, Ralf Klintz, Hartmann Konig, Albrecht Harreus, Norbert Gotz, Helmut Walter, Karl-Otto Westphalen, Ulf Misslitz
  • Hydrophilic copolymers for reducing the viscosity of detergent slurries
    Patent number: 5733861
    Abstract: An aqueous detergent slurry composition comprising (A) about 5-60% of inorganic builder salts; (B) about 5-70% of detergent active matter selected from the group consisting of anionic, nonionic, cationic, amphoteric and zwitterionic surfactants; and (C) about 0.01-10% of a hydrophilic copolymer comprising a hydrophilic monomer copolymerized with an oxyethylated monomer.
    Type: Grant
    Filed: May 23, 1995
    Date of Patent: March 31, 1998
    Assignee: BASF Corporation
    Inventors: Sridhar Gopalkrishnan, Kathleen M. Guiney, John V. Sherman, David T. Durocher, Michael C. Welch
  • Aqueous polymer dispersions
    Patent number: 5733944
    Abstract: Aqueous polymer dispersions whose polymer is built up ofa) at least 50% by weight of butadiene, isoprene or a mixture thereof,b) at least 10% by weight of an ester of (meth)acrylic acid and a C.sub.1 -C.sub.8 -alkanol andc) from 0 to 10% by weight of other comonomers,where the total amount of monomers a) and b) makes up at least 90% by weight of the total amount of monomers, are useful for producing flame-resistant latex foam rubber which contains only hydrates of inorganic salts as flame retardants.
    Type: Grant
    Filed: May 22, 1996
    Date of Patent: March 31, 1998
    Assignee: BASF Aktiengesellschaft
    Inventors: Roelof Balk, Peter Claassen, Onno Graalmann, Leonardus Aan de Meulen, Marinus Visseren
  • Process for the production of a hydrogenation catalyst
    Patent number: 5733838
    Abstract: A hydrogenation catalyst based on an alloy of aluminum and of a transition metal is prepared by preparing a kneaded material from the alloy and an assistant, converting the kneaded material into moldings, calcining the moldings and treating the calcined moldings with an alkali metal hydroxide, by a process in which the assistant used is(a) polyvinyl alcohol and water or(b) stearic acid,and the catalyst prepared according to the invention is used for hydrogenation and hydrogenolysis, in particular the partial hydrogenation of aliphatic alpha,omega-dinitriles to aliphatic alpha,omega-aminonitriles.
    Type: Grant
    Filed: December 16, 1996
    Date of Patent: March 31, 1998
    Assignee: BASF Aktiengesellschaft
    Inventors: Maximilian Vicari, Klemens Flick, Johann-Peter Melder, Werner Schnurr, Joachim Wulff-Doring
  • Stabilized polyester molding compositions
    Patent number: 5733959
    Abstract: Thermoplastic molding compositions compriseA) from 20 to 99% by weight of a polyester, up to 90% by weight of which may be replaced by a polycarbonate or a polyamide,B) from 0.1 to 7% by weight of a carbodiimide of the formula I ##STR1## where R.sup.1 are identical or different radicals selected from the group consisting of --NCO, --NHCONHR.sup.5, --NHCONR.sup.5 R.sup.6 and --NHCOOR.sup.7, whereR.sup.5 , R.sup.6 are identical or different and are alkyl, cycloalkyl or aralkyl,R.sup.7 is the same as R.sup.5 or is alkoxy(poly)oxyalkylene andR.sup.2 , R.sup.3 are identical or different aliphatic radicals having from 1 to 18 carbon atoms or cycloaliphatic radicals having from 5 to 15 carbon atoms or aromatic radicals having from 6 to 15 carbon atoms,R.sup.
    Type: Grant
    Filed: May 30, 1997
    Date of Patent: March 31, 1998
    Assignee: BASF Aktiengesellschaft
    Inventors: Thomas Heitz, Manfred Heym, Klaus Muhlbach, Christoph Plachetta
  • Continuous preparation of alkyl esters of (meth) acrylic acid
    Patent number: 5734074
    Abstract: The continuous esterification of a C.sub.1 -C.sub.8 -alkanol with (meth)acrylic acid in a molar ratio of from 1:1 to 2:1 in the presence of proton-donating catalysts in a homogeneous, liquid, solvent-free phase, in which the water of reaction and resulting alkyl (meth)acrylate are separated off continuously as part of an aqueous azeotropic mixture via the top of a rectification zone attached to the reaction zone, at a top pressure of from 0.1 to 1 atm, and worked up to give pure (meth)acrylate, is carried out by a process wherein the reaction temperature is from 100.degree. to 150.degree. C., the residence time is from 1 to 5 hours and from 5 to 20% by weight, based on the amount of reaction mixture, of sulfuric acid or an equimolar amount, based on such an amount of sulfuric acid, of an organic sulfonic acid is added as a protic acid catalyst to the reaction mixture present in the reaction zone.
    Type: Grant
    Filed: March 20, 1996
    Date of Patent: March 31, 1998
    Assignee: BASF Aktiengesellschaft
    Inventors: Toni Dockner, Herbert Exner, Karl Gerhard Baur, Christiane Potthoff
  • Luster pigments based on reduced titania-coated silicate-based platelets
    Patent number: 5733658
    Abstract: Luster pigments obtainable by treating titania-coated silicate-based platelets at from 400.degree. to 900.degree. C. with a gas mixture comprising a vaporized organic compound and ammonia are useful for coloring paints, inks, including printing inks, plastics, glasses, ceramic products and decorative cosmetic preparations.
    Type: Grant
    Filed: March 29, 1996
    Date of Patent: March 31, 1998
    Assignee: BASF Aktiengesellschaft
    Inventors: Raimund Schmid, Claus Kaliba, Norbert Mronga, Werner Ostertag, Helmut Schmidt, Juan Antonio Gonzalez Gomez, Hermann Bidlingmaier, Raymond Ellinghoven
  • Hydroxamic acids and hydroxamic acid ethers, and the use thereof as complexing agents
    Patent number: 5733342
    Abstract: Hydroxamic acids and hydroxamic acid ethers I and II ##STR1## where Z.sup.1 and Z.sup.2 are --NH --OY, --NR.sup.1 --OY or --OX, where in the case of (I) at least one of Z.sup.1 or Z.sup.2, and in the case of (II) Z.sup.1 is --NH --OY or --NR.sup.1 --OY, andR.sup.1 is C.sub.1 -C.sub.18 -alkyl,X is hydrogen, alkali metal, ammonium or substituted ammonium, andY is hydrogen, alkali metal, ammonium, substituted ammonium or C.sub.1 -C.sub.18 -alkyl, andL is a C.sub.1 -C.sub.100 linker which can also carry oxygen and nitrogen functional groups,with the exception of N,N-bis(carboxymethyl)-2-aminoacetohydroxamic acid.
    Type: Grant
    Filed: October 19, 1995
    Date of Patent: March 31, 1998
    Assignee: BASF Aktiengesellschaft
    Inventors: Thomas Greindl, Alexander Kud, Volker Schwendemann, Michael Kneip, Elisabeth Kappes, Richard Baur, Juergen Schneider, Birgit Potthoff-Karl, Alfred Oftring
  • Detergency boosting polymer blends as additives for laundry formulations
    Patent number: 5733856
    Abstract: A laundry detergency boosting polymer blend additive is made up of:a) a graft copolymer of polyalkylene oxide with vinyl ester, the graft copolymer having a molecular weight within the range of about 5,000 to 50,000; andb) at least one polycarboxylate selected from the group consisting of acrylic/maleic acid copolymers having a molecular weight within the range of about 1,000 to 100,000, and polyacrylic acid having a molecular weight of from about 1,000 to 100,000. The polymer blend additive is effective in water with an ion hardness in the range of about 50 to 500 ppm. The detergency boosting performance of the polymer blend additive is maintained or increased as the concentration of the hardness ions in water is increased.
    Type: Grant
    Filed: April 8, 1994
    Date of Patent: March 31, 1998
    Assignee: BASF Corporation
    Inventors: Sridhar Gopalkrishnan, Edward J. Parker, Richard J. Holland, Sonia Patterson
  • Amino-modified urethaneacrylates
    Patent number: 5734002
    Abstract: Urethane(meth)acrylates are obtainable bya) reacting polyether(meth)acrylates or polyester(meth)acrylates, which may also have at least one free hydroxyl group, with primary or secondary amino compounds which have at least one hydroxyl group, so that from 0.5 to 60 mol % of the (meth)acrylate groups are present in the form of Michael adducts with the amino compounds, andb) subsequently reacting the product obtained in a) with isocyanates.
    Type: Grant
    Filed: March 6, 1996
    Date of Patent: March 31, 1998
    Assignee: BASF Aktiengesellschaft
    Inventors: Wolfgang Reich, Erich Beck, Edmund Keil, Ulrich Jager, Matthias Lokai, Werner Fries, Eberhard Ambach
  • Iodophore composed of poly-N-vinyllactam and dextrin
    Patent number: 5731009
    Abstract: Iodophore containinga) 20-71% by weight of PVP or poly-N-vinylcaprolactam,b) 20-71% by weight of dextrin of DE 2-40,c) 6-25% by weight of elemental iodine,d) 3-12.5% by weight of iodide ions,and process for its preparation are disclosed.
    Type: Grant
    Filed: October 17, 1996
    Date of Patent: March 24, 1998
    Assignee: BASF Aktiengesellschaft
    Inventors: Jorg Breitenbach, Axel Sanner, Dietrich Thoma
  • Production of chlorofluorocarbon-free, urethane-containing moldings having a cellular core and an integral skin
    Patent number: 5731361
    Abstract: Chlorofluorocarbon-free, urethane-containing moldings having a cellular core and an integral skin with an essentially pore-free surface, ie.
    Type: Grant
    Filed: September 18, 1995
    Date of Patent: March 24, 1998
    Assignee: BASF Aktiengesellschaft
    Inventors: Peter Horn, Walter Denzinger, Harald Fuchs, Ralf Bohme
  • Recycling of plastics in a steam cracker
    Patent number: 5731483
    Abstract: A process for recycling plastic waste in a steam cracker, wherein a melt obtained from plastic waste is converted into products at from 400.degree. 550.degree. C., and a distillate fraction is separated off from the products at from 180.degree. to 280.degree. C. and is fed as feed material to a steam cracker.
    Type: Grant
    Filed: November 17, 1995
    Date of Patent: March 24, 1998
    Assignee: BASF Aktiengesellschaft
    Inventors: Uwe Stabel, Helmut Woerz, Ruediger Kotkamp, Andreas Fried