Patents Represented by Attorney Keil & Weinkauf
  • Patent number: 6790909
    Abstract: The invention relates to a process for preparing a reaction product (RP) which is functionalized by groups containing halogen or sulfonyl chloride by reaction of at least one free-radically polymerizable monomer, at least one compound of the formula (I), at least one free-radical initiator and at least one free-radically polymerizable monomer containing halogen or sulfonyl chloride groups under free-radical conditions, and to a reaction product (RP) which can be prepared by the process of the present invention and to the use of the reaction product (RP) as macroinitiator for the preparation of graft copolymers. Furthermore the invention relates to a process for preparing graft copolymers by reaction of the reaction product (RP) with at least one suitable monomer and to graft copolymers which can be prepared by the process of the present invention and also to the use of the graft copolymers of the present invention.
    Type: Grant
    Filed: July 14, 2003
    Date of Patent: September 14, 2004
    Assignee: BASF Aktiengesellschaft
    Inventors: Yvonne Heischkel, Nicolas Stöckel, Philipp Wieland, Marcus Schäfer, Oskar Nuyken
  • Patent number: 6790995
    Abstract: Mixtures of primary amines of the formula (I) X—CH2—NH2  (I) and secondary amines of the formula (II) (X—CH2—)2NH  (II) where X is C1-20-alkyl, C2-20-alkenyl or C3-8-cycloalkyl which may be unsubstituted or substituted by C1-20-alkyl, C3-8-cycloalkyl, C4-20-alkylcycloalkyl, C4-20-cycloalkylalkyl, C2-20-alkoxyalkyl, C6-14-aryl, C7-20-alkylaryl, C7-20-aralkyl, C1-20-alkoxy, hydroxy, C1-20-hydroxyalkyl, amino, C1-20-alkylamino, C2-20-dialkylamino, C2-12-alkenylamino. C3-8-cycloalkylamino, arylamino, diarylamino, aryl-C1-8-alkylamino, halogen, mercapto, C2-20-alkenyloxy, C3-8-cycloalkoxy, aryloxy and/or C2-8-alkoxycarbonyl are prepared by reacting nitriles of the formula (III) X—CN  (III) with hydrogen at from 50 to 250° C. and pressures of from 5 to 350 bar in the presence of a Pd-containing catalyst comprising, based on the total weight of the catalyst, from 0.1 to 10% by weight of Pd on a support.
    Type: Grant
    Filed: January 3, 2002
    Date of Patent: September 14, 2004
    Assignee: BASF Aktiengesellschaft
    Inventors: Joachim Pfeffinger, Michael Hüllmann, Arthur Höhn, Frank Funke, Frank Ohlbach, Till Gerlach
  • Patent number: 6787157
    Abstract: A solid or semisolid, at least two-phase active ingredient-containing formulation in which there is multiparticulate incorporation of one of the two phases into a matrix of the other phase, and at least one of the phases contains at least one active ingredient, obtainable by introducing particles of one phase into the other phase in a plastic state, and shaping the material while still plastic.
    Type: Grant
    Filed: March 10, 1998
    Date of Patent: September 7, 2004
    Assignee: Abbott Laboratories
    Inventors: Joerg Rosenberg, Jürgen Zeidler, Jörg Breitenbach, Gunther Berndl, Andreas Kleinke
  • Patent number: 6787677
    Abstract: In a process for the catalytic hydrogenation of a carbonyl compound or a mixture of two or more carbonyl compounds in the presence of catalyst tablets which comprise an inorganic, TiO2-containing support and, as active component, copper or a mixture of copper with at least one metal selected from the group consisting of zinc, aluminum, cerium, nobel metals and metals of transition group VIII and whose copper surface area is not more than 10 m2/g, the diameter d and/or the height h of the tablets is less than 3 mm.
    Type: Grant
    Filed: September 29, 2003
    Date of Patent: September 7, 2004
    Assignee: BASF Aktiengesellschaft
    Inventors: Michael Koch, Steffen Maas, Wolfgang Jürgen Pöpel, Matthias Dernbach
  • Patent number: 6783807
    Abstract: The surfaces of apparatuses and apparatus parts for chemical plant construction, including, for example, apparatus, container and reactor walls, discharge apparatuses, fittings, pumps, filters, compressors, centrifuges, columns, heat exchangers, dryers, comminuting machines, internals, packings and mixing elements, are coated by a process wherein protuberances having a mean height of from 100 nm to 50 &mgr;m with a mean spacing of from 100 nm to 100 &mgr;m are produced on the surface to be coated and the coating is applied thereon by currentless deposition of a metal layer or of a metal-polymer dispersion layer with the aid of a plating bath which contains a metal electrolyte, a reducing agent and optionally a polymer or polymer blend to be deposited, in dispersed form.
    Type: Grant
    Filed: September 26, 2002
    Date of Patent: August 31, 2004
    Assignee: BASF Aktiengesellschaft
    Inventors: Stephan Hüffer, Thilo Krebs, Klaus-Dieter Hungenberg, Ingolf Kühn, Ekkehard Jahns, Christian Lach, Harald Keller, Andreas Pfau, Thomas Frechen, Bernd Diebold, Peter Dillmann
  • Patent number: 6784305
    Abstract: Highly substituted alkyl-bridged ligand systems based of indene derivatives and transition metal compounds can be obtained in high yields by a novel process.
    Type: Grant
    Filed: February 25, 2003
    Date of Patent: August 31, 2004
    Assignee: Basell Polyolefine GmbH
    Inventors: Jörg Schulte, Carsten Bingel, Jörg Schottek
  • Patent number: 6783693
    Abstract: Hydraulic fluids, in particular brake fluids for motor vehicles, comprising from 0.01 to 50 wt % of one or more cyclic carboxylates, or cyclic carboxamides, which can carry a linear or branched C1-bis C20 alkyl group on the nitrogen atom.
    Type: Grant
    Filed: October 18, 2001
    Date of Patent: August 31, 2004
    Assignee: BASF Aktiengesellschaft
    Inventors: Bayram Aydin, Uwe Fidorra, Arthur Höhn, Ladislaus Meszaros, Jan Nouwen, Knut Oppenländer, Michael Roida, Michael Stösser, Bernd Wenderoth
  • Patent number: 6784303
    Abstract: A process is described for continuously preparing chromanol ester derivatives, in particular for continuously preparing carboxylic esters of tocopherols and tocotrienols by continuous acylation with carboxylic acids or carboxylic anhydrides.
    Type: Grant
    Filed: May 12, 2003
    Date of Patent: August 31, 2004
    Assignee: BASF Aktiengesellschaft
    Inventors: Carsten Oost, Gerd Kaibel, Harald Laas, Peter Schmitt, Jens von Erden
  • Patent number: 6783770
    Abstract: The present invention relates to hard capsules comprising (A) polymers obtainable by free-radical polymerization of a) at least one vinyl ester in the presence of b) polyether-containing compounds and c) where appropriate one or more other copolymerizable monomers c) and subsequent at least partial hydrolysis of the ester functions in the original monomers a), with the proviso that in the absence of another copolymerizable monomer c) the polyether-containing compound b) must have a number average molecular weight ≦10,000, (B) where appropriate structure-improving auxiliaries and (C) other conventional shell constituents, the production and use thereof.
    Type: Grant
    Filed: March 20, 2001
    Date of Patent: August 31, 2004
    Assignee: BASF Aktiengesellschaft
    Inventors: Maximilian Angel, Karl Kolter, Axel Sanner, Michael Gotsche
  • Patent number: 6784233
    Abstract: The invention relates to thermoplastic molding compound that contain A) 1 to 97.85% by weight of at least one thermoplastic polyester, B) 1 to 97.85% by weight of at least one polycarbonate, C) 1 to 50% by weight of a rubber-elastic polymer, D) 0.1 to 5% by weight of a phosphorous stabilizer, E) 0.05 to 2% by weight of an organic acid, F) 0 to 60% by weight of further additives. The weight percentages of the components A) to F) add up to 100%.
    Type: Grant
    Filed: December 19, 2001
    Date of Patent: August 31, 2004
    Assignee: BASF Aktiengesellschaft
    Inventors: Martin Weber, Ingolf Hennig
  • Patent number: 6780897
    Abstract: Solid compositions comprising (A) at least one solid (meth)acrylate copolymer with a number-average molecular weight of from 850 to 10 000 and a molecular weight polydispersity Mw/Mn of from 1.0 to 5.0, containing at least one group (a) having at least one bond which can be activated with actinic radiation; and (B) at least one solid compound comprising a parent structure and, attached thereto, on average per molecule more than one group (a) having at least one bond which can be activated with actinic radiation; and their use as coating materials, adhesives or sealing compounds which can be crosslinked thermally and/or with actinic radiation, or for preparing coating materials, adhesives or sealing compounds which can be crosslinked thermally and/or with actinic radiation.
    Type: Grant
    Filed: March 27, 2002
    Date of Patent: August 24, 2004
    Assignee: BASF Coating AG
    Inventors: Rainer Blum, Reinhold Schwalm, Horst Hintze-Bruening, Horst Binder, Wolfgang Paulus, Bernd Bruchmann
  • Patent number: 6781004
    Abstract: The invention relates to a process for the preparation of cis-6-hexadecenoic acid of the formula I, which comprises reacting a1) a triphenylphosphonium salt of the formula II, R1OOC—(CH2)5—P(R2)3+X−  II  with decanal of the formula III H3C—(CH2)8—CH═O  III  or a2) a triphenylphosphonium salt of the formula IV, H3C—(CH2)9—P(R2)3+X−  IV  with an aldehyde of the formula V, R1OOC—(CH2)4—CH═O  V  in a Wittig reaction, and b) saponifying the ester, formed by process step a1) or a2), of the formula VI,  where the substituents R1, R2 and X− have the meanings given in the description.
    Type: Grant
    Filed: February 4, 2002
    Date of Patent: August 24, 2004
    Assignee: BASF Aktiengesellschaft
    Inventors: Daniela Klein, Hansgeorg Ernst, Jürgen Koppenhöfer
  • Patent number: 6776095
    Abstract: A process for the production of flexographic printing plates by laser engraving, in which the recording layer of a crosslinkable, laser-engravable flexographic printing element is crosslinked by the combination of a full-area crosslinking step with a crosslinking step which only acts at the surface, and a printing relief is engraved into the crosslinked recording layer by means of a laser, and flexographic printing plates obtainable by the process.
    Type: Grant
    Filed: December 4, 2002
    Date of Patent: August 17, 2004
    Assignee: BASF Drucksysteme GmbH
    Inventors: Thomas Telser, Margit Hiller, Jens Schadebrodt, Jürgen Kaczun
  • Patent number: 6776996
    Abstract: The present invention provides improved coated pesticidal matrices and a process for their preparation. The present invention also provides a wettable powder pesticidal composition containing the improved coated pesticidal matrices.
    Type: Grant
    Filed: June 9, 1998
    Date of Patent: August 17, 2004
    Assignee: BASF Aktiengesellschaft
    Inventors: Guanglin Sun, Fakhruddin Ahmed, Bruce Christian Black
  • Patent number: 6777503
    Abstract: A process for the hydroformylation of olefins having from 20 to 400 carbon atoms by reaction of the olefins with synthesis gas in the presence of a cobalt carbonyl catalyst and recovery of the cobalt catalyst by extraction of the reaction product with an aqueous acidic solution in the presence of oxygen and separation of the organic and aqueous phases, wherein (a) the aqueous phase is separated from the organic phase by means of gravitational forces to the extent that the proportion of aqueous phase dispersed in the organic phase is 2% by weight or less, based on the organic phase, and (b) the organic phase obtained in step (a) is exposed to an electric field to coalesce the remaining dispersed aqueous phase, is described. In this way, the residual cobalt content of the hydroformylation product can be reduced to less than 1 ppm.
    Type: Grant
    Filed: July 18, 2002
    Date of Patent: August 17, 2004
    Assignee: BASF Aktiengesellschaft
    Inventors: Harald Schwahn, Gerhard Borchert, Klaus Diehl, Armin Volker Grenacher, Friedrich Sauer
  • Patent number: 6777411
    Abstract: Fungicidal mixtures comprising as active components a) an amide compound of the formula I A—CO—NR1R2  I  in which A is an aryl group or an aromatic or non-aromatic, 5- or 6-membered heterocycle which has from 1 to 3 hetero atoms selected from O, N and S; where the aryl group or the heterocycle may or may not have 1, 2 or 3 substituents which are selected, independently of one another, from alkyl, halogen, CHF2, CF3, alkoxy, haloalkoxy, alkylthio, alkylsulfynyl and alkylsulfonyl; R1 is a hydrogen atom; R2 is a phenyl or cycloalkyl group which may or may not have 1, 2 or 3 substituents which are selected, independently of one another, from alkyl, alkenyl, alkynyl, alkoxy, alkenyloxy, alkynyloxy, cycloalkyl, cycloalkenyl, cycloalkyloxy, cyclo-alkenyloxy, phenyl and halogen, where the aliphatic and cycloaliphatic radicals may be partially or fully halogenated and/or the cycloaliphatic radicals may be substituted by from 1 to 3 alkyl groups and where the phenyl group may have from
    Type: Grant
    Filed: June 19, 2000
    Date of Patent: August 17, 2004
    Assignee: BASF Aktiengesellschaft
    Inventors: Klaus Schelberger, Maria Scherer, Karl Eicken, Manfred Hampel, Eberhard Ammermann, Gisela Lorenz, Siegfried Strathmann
  • Patent number: 6774167
    Abstract: Undesirable changes in shade brought about by low temperatures (Cold Stress Whitening) in impact-modified thermoplastic molding compositions F which comprise at least one elastomeric graft polymer A and at least one thermoplastic polymer B are reduced by adding from 10 to 200 ppm, based on the molding compositions F, of at least one polyorganosiloxane S to the impact-modified thermoplastic molding composition F.
    Type: Grant
    Filed: April 25, 2002
    Date of Patent: August 10, 2004
    Assignee: BASF Aktiengesellschaft
    Inventors: Sabine Oepen, Norbert Niessner, Michael Breulmann, Norbert Güntherberg, Wil Duijzings
  • Patent number: 6774246
    Abstract: A process for preparing phthalic anhydride by gas-phase oxidation of xylene, naphthalene or mixtures thereof over two different fixed-bed catalysts arranged in zones in a shell-and-tube reactor which is thermostated by means of a heat transfer medium is carried out so that the maximum temperature in the second catalyst zone in the flow direction is at least 52° C. lower than the maximum temperature in the first catalyst zone. The process of the present invention makes it possible to prepare phthalic anhydride in high yields under conditions relevant to industrial practice.
    Type: Grant
    Filed: February 12, 2003
    Date of Patent: August 10, 2004
    Assignee: BASF Aktiengesellschaft
    Inventors: Peter Reuter, Guido Voit, Thomas Heidemann
  • Patent number: 6774205
    Abstract: A process for the preparation of novel polyamides, the use of such polyamides for the production of fibers, sheets and moldings, and fibers, sheets and moldings obtainable from such polyamides, are provided.
    Type: Grant
    Filed: December 26, 2002
    Date of Patent: August 10, 2004
    Assignee: BASF Aktiengesellschaft
    Inventors: Paul-Michael Bever, Ulrike Breiner, Bernd-Steffen von Bernstorff, Gerhard Conzelmann
  • Patent number: 6770463
    Abstract: There is provided a process for the preparation of a chiral insecticidal and acaricidal compound of formula I. Also provided are intermediate compounds useful in the process of the present invention.
    Type: Grant
    Filed: August 2, 2001
    Date of Patent: August 3, 2004
    Assignee: BASF Aktiengesellschaft
    Inventors: John Francis Chiarello, Brian Lee Buckwalter, Timothy Claude Barden