Patents Assigned to Bayer
  • Flame-resistant polycarbonate ABS moulding materials
    Patent number: 6747078
    Abstract: The present invention relates to thermoplastic polycarbonate molding compositions which contain phosphazenes and special graft polymers produced by means of redox initiator systems and are distinguished by substantially improved mechanical properties.
    Type: Grant
    Filed: December 21, 2000
    Date of Patent: June 8, 2004
    Assignee: Bayer Aktiengesellschaft
    Inventors: Thomas Eckel, Michael Zobel, Dieter Wittmann
  • Rapidly crosslinking fluoropolymer
    Patent number: 6743874
    Abstract: The invention relates to a rapidly cross-linking liquid fluoropolymer that contains as the essential components tetrafluoroethylene and at least one compound from the group consisting of diiodomethane, 1,2-diiodo-1,1-difluoroethane, 1-iodo-2-bromo-1,1-difluoroethane, 1-bromo-2-iodo-1,1-difluoroethane and/or 1,2-dibromo-1,1-difluoroethane that has certain fractions of the final group of the formula —CH2—X with X=Br and/or iodine, and iodine/bromine contents in the range of from 0.05 to 1 wt.-%. and that has a defined molecular weight and viscosity. The invention further relates to a method for producing said fluoropolymer and to its use.
    Type: Grant
    Filed: February 19, 2003
    Date of Patent: June 1, 2004
    Assignee: Bayer Aktiengesellschaft
    Inventors: David B. Harrison, Wilhelm-Franz Biener
  • Substituted pyrazole derivatives condensed with six-membered heterocyclic rings
    Patent number: 6743798
    Abstract: The present invention relates to novel substituted pyrazole derivatives of the general formula (I) in which R1, R2, R3 and A are each as defined, and to processes for their preparation and to their use as medicaments, in particular as medicaments for the treatment of cardiovascular disorders.
    Type: Grant
    Filed: April 11, 2001
    Date of Patent: June 1, 2004
    Assignee: Bayer Aktiengesellschaft
    Inventors: Alexander Straub, Achim Feurer, Cristina Alonso-Alija, Johannes-Peter Stasch, Elisabeth Perzborn, Joachim Hütter, Klaus Dembowsky, Elke Stahl
  • Substituted N-aryl nitrogen-containing heterocyclic compounds
    Patent number: 6743755
    Abstract: The invention relates to novel substituted N-aryl nitrogen-containing heterocyclic compounds of the general formula (I) and to the compounds isomeric to the substituted N-aryl nitrogen-containing heterocyclic compounds of the formula (I), of the formulae (Ia) and (Ib) in which Q1, Q2, R1, R2 and Ar have the meanings given in the description, processes for their preparation and their use as herbicides.
    Type: Grant
    Filed: May 2, 2002
    Date of Patent: June 1, 2004
    Assignee: Bayer Aktiengesellschaft
    Inventors: Karl-Heinz Linker, Kurt Findeisen, Otto Schallner, Andreas Lender, Hans-Joachim Santel, Markus Dollinger, Akihiko Yanagi, Toshio Goto
  • Nematicidal trifluorobutenes
    Patent number: 6743814
    Abstract: The present invention relates to novel trifluorobutenes of the formula (I) wherein R1 represents hydrogen; halogen; alkyl that is unsubstituted or substituted with halogen, hydroxy, alkoxy, alkylthio, alkylcarbonyloxy, haloalkylcarbonyloxy, or cyano; alkylsulfonyloxy; or phenyl that is unsubstituted or substituted with halogen, alkyl, haloalkyl, alkoxy, alkylthio, alkylsulfonyl, haloalkoxy, haloalkylthio, phenyl, phenoxy, cyano, or nitro; R2 represents hydrogen; halogen; alkyl that is unsubstituted or substituted with alkoxy or halogen; or alkoxycarbonyl; and n represents 0, 1 or 2, with the proviso that if R1 represents alkyl, then R2 does not represent halogen. The invention also relates to processes for their preparation and their use as nematicides.
    Type: Grant
    Filed: September 5, 2002
    Date of Patent: June 1, 2004
    Assignee: Nihon Bayer Agrochem K.K.
    Inventors: Yukiyoshi Watanabe, Koichi Ishikawa, Shinichi Narabu, Takuya Gomibuchi, Yuichi Otsu, Katsuhiko Shibuya
  • Media for water treatment
    Patent number: 6743372
    Abstract: The present invention relates to compositions for water treatment based on biodegradable polymers containing repeating succinyl units, biocidal oxidizing agents and unsubstituted or substituted amidosulphonic acid, their use in, and the process for, conditioning water of cooling circuits.
    Type: Grant
    Filed: February 13, 2001
    Date of Patent: June 1, 2004
    Assignee: Bayer Aktiengesellschaft
    Inventors: Roland Kleinstück, Torsten Groth, Winfried Joentgen
  • Methods for reducing amine odor in paper
    Patent number: 6743335
    Abstract: A method of reducing the level of malodorous amines emitted by paper when exposed to an alkaline environment is provided, which comprises making the paper so that it does not contain ammonium groups that are bonded to any polymer contained in the paper by only one chemical bond. Laminates which emit reduced levels of amines and which are comprised of this paper are also provided. In a preferred embodiment, the paper is sized with a sizing emulsion comprised of alkenyl succinic anhydride and a cationic water-soluble polymer having ammonium groups that are attached to the polymer by at least two chemical bonds.
    Type: Grant
    Filed: November 5, 2002
    Date of Patent: June 1, 2004
    Assignee: Bayer Chemicals Corporation
    Inventors: Robert J. Proverb, Michael J. Scanlon
  • Herbicidal compositions
    Patent number: 6743753
    Abstract: This invention relates to new herbicidal compositions comprising a mixture of (a) an alkoxypyrimidyloxybenzoic acid derivatives of formula (I): wherein X is a hydrogen atom or a group (C6H5)2C═N—, or an agriculturally acceptable salts thereof, for example alkali or alkaline earth metal salts and (b) a partner herbicide. This invention additionally relates to a method of controlling weeds comprising applying these new herbicidal compositions to a locus.
    Type: Grant
    Filed: July 7, 1999
    Date of Patent: June 1, 2004
    Assignee: Bayer CropScience S.A.
    Inventors: Hideshi Mukaida, Marc Montagnon, Jean Paviot
  • Inhibition of p38 kinase using symmetrical and unsymmetrical diphenyl ureas
    Publication number: 20040102636
    Abstract: This invention relates to the use of a group of aryl ureas in treating cytokine mediated diseases and proteolytic enzyme mediated diseases, and pharmaceutical compositions for use in such therapy.
    Type: Application
    Filed: February 1, 2002
    Publication date: May 27, 2004
    Applicant: BAYER CORPORATION
    Inventors: Scott Miller, Martin Osterhout, Jacques Dumas, Uday Khire, Timothy B. Lowinger, William J. Scott, Roger A. Smith, Jill E. Wood, David E. Gunn, Holia Hatoum-Mokdad, Marell Rodriguez, Robert Sibley, Ming Wang, Tiffany Turner, Catherine Brennan
  • Imidazotriazinone-containing compositions for nasal administration
    Patent number: 6740306
    Abstract: The present invention relates to imidazotriazinone-containing compositions for nasal administration which, besides the cGMP PDE inhibitor, contain a small amount of a local anaesthetic.
    Type: Grant
    Filed: April 11, 2002
    Date of Patent: May 25, 2004
    Assignee: Bayer Aktiengesellschaft
    Inventors: Peter Serno, Andreas Ohm, Wolfgang Barth, Richard-Josef Bauer, Hans-Martin Siefert, Dieter Zimmer
  • Process for preparing 2-alkyl-3aryl-and-heteroaryloxaziridines and novel 2-alkyl-3-aryloxaziridines
    Patent number: 6740761
    Abstract: 2-Alkyl-3-aryl- or -heteroaryloxaziridines are prepared in a particularly advantageous manner by oxidizing corresponding N-alkyl-aryl- or -heteroarylaldimines with an aromatic percarboxylic acid or a salt thereof in the presence of water, a water-soluble base, and a water-miscible solvent, at temperatures below 30° C. Using this method, it is also possible to obtain novel 2-alkyl-3-aryloxaziridines.
    Type: Grant
    Filed: July 5, 2001
    Date of Patent: May 25, 2004
    Assignee: Bayer Aktiengesellschaft
    Inventors: Alexander Klausener, Reinhard Langer, Stephan Ratsch, Michael Dockner
  • Process for separating reaction mixtures and recycling quaternary salts and bases
    Patent number: 6740781
    Abstract: A process for the removal and recovery of quaternary salt (A) and base (D) from a reaction mixture is disclosed. The reaction mixture resulting from oxidative direct carbonylation contains in addition to (A) and (D), at least one hydroxyaromatic compound (B) and at least one reaction product (C) and optionally a solvent, and the process entails a) adding acid to the reaction mixture to cause conversion of (D) into a hydroxyaromatic compound (B2) b) separating the reaction mixture into b1.) that contains (C) and optionally (B) and/or (B2) and b2.) that contains (A) and optionally (B) and/or (B2), and c) reacting b1.) with a base (E) to re-form (D).
    Type: Grant
    Filed: December 16, 2002
    Date of Patent: May 25, 2004
    Assignee: Bayer Aktiengesellschaft
    Inventors: Peter Fischer, Sven Michael Hansen, Claus-Peter Reisinger
  • Polycarbonate and molded polycarbonate articles
    Patent number: 6740730
    Abstract: The invention relates to a novel polycarbonate and its use a material in the production of molded articles and semifinished products, especially for transparent articles such as data memories or radio compact discs, slabs, cellular sheets, films, housings, panes, especially panes for motor vehicles, diffusion glasses, but also for electrical applications or the constructions of houses.
    Type: Grant
    Filed: January 15, 2002
    Date of Patent: May 25, 2004
    Assignee: Bayer Aktiengesellschaft
    Inventors: Silke Kratschmer, Uwe Hucks, Lothar Bunzel
  • Flame resistant polycarbonate/ABS plastic molding materials
    Patent number: 6740695
    Abstract: The present invention relates to polycarbonate/ABS moulding compositions with incorporated phosphazenes which exhibit excellent flame resistance and very good processing characteristics, wherein the graft polymer is produced by bulk, solution or bulk/suspension polymerization processes.
    Type: Grant
    Filed: December 21, 2000
    Date of Patent: May 25, 2004
    Assignee: Bayer Aktiengesellschaft
    Inventors: Thomas Eckel, Michael Zobel, Dieter Wittmann
  • Polycarbonate moulding compounds
    Patent number: 6740693
    Abstract: A Polycarbonate molding composition is disclosed. The composition that contains a compound conforming to the general formula (I) wherein A represents a C10 to C40-fatty acid radical, B represents a trivalent alcohol having 3 to 20 carbon atoms, C represents a dicarboxylic acid radical having 4 to 40 carbon atoms, and n represents an integer from 0 to 15, is suitable for making a variety of molded articles having surface of good quality.
    Type: Grant
    Filed: May 8, 2002
    Date of Patent: May 25, 2004
    Assignee: Bayer Aktiengesellschaft
    Inventors: Rüdiger Gorny, Siegfried Anders, Wolfgang Nising
  • Flame-resistant thermoplastic molding material
    Patent number: 6740697
    Abstract: A flame retardant thermoplastic molding composition is disclosed. The composition contains an amorphous thermoplastic polymer, at least one flame retardant in the form of a fully or partially halogenated sulfonic acid salt and at least on alkaline earth metal sulfate and/or one oxide having an average particle size of up to 400 nm.
    Type: Grant
    Filed: August 17, 2001
    Date of Patent: May 25, 2004
    Assignee: Bayer Aktiengesellschaft
    Inventors: Axel Brenner, Walter Köhler, Martin Döbler
  • Polycarbonate blends
    Patent number: 6740714
    Abstract: A thermoplastic molding composition suitable for making articles having good combination of properties is disclosed. The composition contains (A) a copolycarbonate derived from compounds of formula (I) wherein R1 to R4 independently of one another represent H, C1-C4-alkyl, phenyl, substituted phenyl or halogen, and compounds of formula (II) wherein R5 to R8 independently of the others denote H, CH3, Cl or Br and X is C1-C5-alkylene, C2-C5-alkylidene, C5-C6-cycloalkylene, C5-C10-cycloalkylidene, and (B) a homopolycarbonate derived from bisphenol A. The composition that features resistance to stress cracking and good low-temperature properties is suitable for automotive construction and exterior applications.
    Type: Grant
    Filed: July 17, 2002
    Date of Patent: May 25, 2004
    Assignee: Bayer Aktiengesellschaft
    Inventors: Silke Kratschmer, Klaus Horn, Michael Erkelenz
  • Ozone-induced gene expression in plants
    Patent number: 6740749
    Abstract: The present invention relates to new DNA sequences, a method for producing new plants which contain a new DNA sequence, the coding sequence thereof being expressed after ozone induction. The invention also relates to said new plants and the use of DNA sequences to produce ozone-responsive gene expression in plants and plant cells. Moreover, it relates to a new promoter, the specificity thereof being increased by removal of the ozone response capacity thereof.
    Type: Grant
    Filed: March 3, 1999
    Date of Patent: May 25, 2004
    Assignees: GSF-Forschungszentrum fur Umwelt, Bayer AG
    Inventors: Roland Schubert, Heinrich Sandermann, Dietrich Ernst, Rudiger Hain, Regina Fischer
  • Changeable process window
    Patent number: 6741411
    Abstract: A process window unit for the spectroscopic study of process mixtures The process window is comprised of a window frame for holding a window, a screw cylinder, with a radiation passage in its core and an external thread for screwing the screw cylinder into the window frame as well as an elastic seal between the window and the screw cylinder, the window being designed with a conically tapering profile on the process side opposite the screw cylinder.
    Type: Grant
    Filed: December 20, 2002
    Date of Patent: May 25, 2004
    Assignee: Bayer Aktiengesellschaft
    Inventors: Karl Isbert, Lutz Spauschus, Ulrich Heesen
  • Thermally stable, weather-resistant polyamide moulding compositions
    Patent number: 6737462
    Abstract: The invention relates to thermally stable, weather-resistant polyamide moulding compositions containing as stabiliser, a mixture of a copper halide, one or more halogen compounds and hypophosphorous acid or an alkali metal or alkaline earth metal salt of this acid, wherein the individual components of the stabiliser mixture are added in an amount such that the molar amount of halogen contained in the moulding composition is greater than or equal to six times the molar amount of and less than or equal to fifteen times the molar amount of copper contained in the moulding composition and the molar amount of phosphorus is greater than or equal to the molar amount of and less than or equal to ten times the molar amount of copper contained in the moulding composition.
    Type: Grant
    Filed: November 20, 2001
    Date of Patent: May 18, 2004
    Assignee: Bayer AG
    Inventors: Andreas Gittinger, Aziz El-Sayed, Edgar Ostlinning, Ralf Lange