Patents Represented by Law Firm Sprung, Horn, Kramer & Woods
  • Patent number: 5679676
    Abstract: The application relates to new azadioxacycloalkenes of the formula (I) ##STR1## in which Z, G, Ar, E and A have the meaning given in the description, to a process for their preparation, and to their use as fungicides.
    Type: Grant
    Filed: February 5, 1996
    Date of Patent: October 21, 1997
    Assignee: Bayer Aktiengesellschaft
    Inventors: Bernd-Wieland Kruger, Lutz Assmann, Herbert Gayer, Peter Gerdes, Ulrich Heinemann, Dietmar Kuhnt, Ulrich Philipp, Thomas Seitz, Jorg Stetter, Ralf Tiemann, Heinz-Wilhelm Dehne, Stefan Dutzmann, Gerd Hanssler
  • Patent number: 5679823
    Abstract: A method of producing alkyl halogen silanes, more particularly methyl chlorosilanes, by reacting silicon with an alkyl halide in the presence of at least one catalyst and easily volatile or gaseous halogen-containing and/or alkoxy-containing sulphur compound and optional promoter substances.
    Type: Grant
    Filed: August 26, 1996
    Date of Patent: October 21, 1997
    Assignee: Bayer Aktiengesellschaft
    Inventors: Matthias-Sven Steiner, Christoph Schild, Bruno Degen
  • Patent number: 5679826
    Abstract: 2-Chloroacrylonitrile is prepared in a particularly advantageous and readily industrially practicable manner by chlorinating acrylonitrile and then thermally cleaving the 2,3-diehloropropionitrile formed, by chlorinating acrylonitrile in the presence of a catalyst system comprising dimethylformamide and pyridine and/or pyridine derivatives and subjecting the resulting crude 2,3-dichloropropionitrile to thermal cleavage in the presence of the same catalyst system without the addition of further catalysts.
    Type: Grant
    Filed: October 23, 1996
    Date of Patent: October 21, 1997
    Assignee: Bayer Aktiengesellschaft
    Inventors: Franz-Josef Mais, Thomas Essert, Helmut Fiege, Friedrich Durholz, Guido Steffan
  • Patent number: 5677453
    Abstract: 4,6-Dichloropyrimidines are obtained by the reaction of 4,6-dihydroxypyrimidines with excess phosphoryl chloride in a particularly advantageous manner when no base is added, during and/or after the reaction 0.75 to 1.5 mol of phosphorus trichloride and 0.7 to 1.3 mol of chlorine are added per equivalent of exchanged hydroxyl groups so that an excess of phosphorus trichloride with respect to chlorine is always present, and finally phosphorus trichloride and phosphoryl chloride are separated off. This process can be carried out in a particularly simple manner and also continuously.
    Type: Grant
    Filed: August 19, 1996
    Date of Patent: October 14, 1997
    Assignee: Bayer Aktiengesellschaft
    Inventors: Gunther Cramm, Volker Kass, Guido Steffan
  • Patent number: 5675040
    Abstract: The invention relates to a process for the preparation of compounds of the formula ##STR1## characterized in that the radical X in sulphones of the formulaX--(CH.sub.2 --CH.sub.2 --O).sub.m --(CH.sub.2).sub.n --SO.sub.2 --CH.sub.2 --CH.sub.2 OH (2)is replaced by ##STR2## or a compound of the formula ##STR3## is added to the sulphone of the formulaCH.sub.2 .dbd.CH--SO.sub.2 --CH.sub.2 --CH.sub.2 --OH (3),the substituents having the meanings given in the description.
    Type: Grant
    Filed: September 19, 1996
    Date of Patent: October 7, 1997
    Assignee: Bayer Aktiengesellschaft
    Inventors: Wolfgang Harms, Udo-Winfried Hendricks, Karl-Josef Herd, Klaus Kunde
  • Patent number: 5675010
    Abstract: The present invention relates to new chloropyridinium chlorides of the general formula (I) ##STR1## in which R.sup.1 represents in each case optionally substituted alkyl, alkenyl, alkinyl, cycloalkyl, cycloalkylalkyl, arylalkyl or heteroarylalkyl,R.sup.2 represents optionally substituted alkyl, andR.sup.3 represents hydrogen, halogen or optionally substituted alkyl,to a process for their preparation and to their use for the preparation of chloropyridines.
    Type: Grant
    Filed: May 8, 1996
    Date of Patent: October 7, 1997
    Assignee: Bayer Aktiengesellschaft
    Inventors: Reinhard Lantzsch, Klaus Jelich, Carl Casser, Christoph Mannheims, Knud Lawrenz
  • Patent number: 5674754
    Abstract: Elevated plasma levels of proMMP-9 and proMMP-9/TIMP-1 complex have been shown to correlate with and are useful in aiding the diagnosis of rheumatoid arthritis and inflammatory bowel disease; a hybridoma which produces a monoclonal antibody which specifically binds to and recognizes proMMP-9 and proMMP-9/TIMP-1 complex is disclosed and is designated mAb 277.13.
    Type: Grant
    Filed: April 27, 1995
    Date of Patent: October 7, 1997
    Assignee: Bayer Corporation
    Inventors: Diane Ahrens, Michael J. Niedbala
  • Patent number: 5674963
    Abstract: In the reaction of a polysiloxane with an alkoxysilane to produce polysiloxanes with special terminal groups, the improvement which comprises effecting the reaction in the presence of fluoride ions as activator.
    Type: Grant
    Filed: August 23, 1996
    Date of Patent: October 7, 1997
    Assignee: Bayer Aktiengesellschaft
    Inventor: Robert Friebe
  • Patent number: 5672718
    Abstract: The present invention relates to novel N-phenylacetamino nitriles of the general formula (I), ##STR1## in which R.sup.1 represents hydrogen, or represents alkyl, alkenyl, cycloalkyl, aryl or heterocyclyl which are in each case optionally substituted, andR.sup.2 represents hydrogen, or represents alkyl which is optionally substituted, orR.sup.1 and R.sup.2, together with the carbon atom to which they are bonded, represent cycloalkyl or heterocyclyl which are in each case optionally substituted,R.sup.3 represents halogen, alkyl or alkoxy,R.sup.4 represents hydrogen, halogen, alkyl, halogenoalkyl or alkoxy,R.sup.5 represents halogen, alkyl or alkoxy, andm represents a number 0, 1, 2 or 3, processes for their preparation and their use for the preparation of agents for controlling pests.
    Type: Grant
    Filed: November 15, 1995
    Date of Patent: September 30, 1997
    Assignee: Bayer Aktiengesellschaft
    Inventors: Reiner Fischer, Gunther Beck
  • Patent number: 5672763
    Abstract: 2-Substituted cyclopentanones are prepared by reacting adipic ester with an alkoxide in the presence of an inert solvent, thus obtaining a salt of the cyclopentanone-2-carboxylic ester, alkylating this without isolation, thus obtaining a 2-alkyl-cyclopentanone-2-carboxylic ester and, without isolation, hydrolysing and decarboxylating this by treatment with an acid and heating.
    Type: Grant
    Filed: June 21, 1996
    Date of Patent: September 30, 1997
    Assignee: Bayer Aktiengesellschaft
    Inventors: Nikolaus Muller, Thomas Essert
  • Patent number: 5672422
    Abstract: A packing material for a column comprises a porous support coated with silicone polymer having an Si--R bond, wherein R is a hydrophobic group and an Si--R' bond, wherein R' is a hydrophilic group, and a process for the production thereof.
    Type: Grant
    Filed: February 25, 1992
    Date of Patent: September 30, 1997
    Assignee: Shiseido Company Ltd.
    Inventors: Taketoshi Kanda, Atsuo Sakamoto, Michio Yokouchi, Yutaka Ohtsu
  • Patent number: 5672765
    Abstract: Aromatic, ring-fluorinated compounds are prepared by reaction of corresponding chlorine compounds or bromine compounds with alkali metal fluorides using a diamide as solvent. Most of the diamides which can be used are novel compounds.
    Type: Grant
    Filed: July 14, 1995
    Date of Patent: September 30, 1997
    Assignee: Bayer Aktiengesellschaft
    Inventors: Albrecht Marhold, Marianne Lohr, Heinrich Wamhoff
  • Patent number: 5672708
    Abstract: N-arylaminoacrylic acid derivatives are obtained in good yields and in high purities when benzoylacetic acid derivatives are reacted with N-arylimino ethers. The products thus prepared are used, in particular, for the preparation of 4-quinolone-3-carboxylic acid derivatives, which have an outstanding bactericidal action.
    Type: Grant
    Filed: August 31, 1995
    Date of Patent: September 30, 1997
    Assignee: Bayer Aktiengesellschaft
    Inventors: Gunter Rauchschwalbe, Bernhard Beitzke, Wolfgang Eymann, Helmut Fiege
  • Patent number: 5672568
    Abstract: There is described the use of compounds of the formula (II) ##STR1## in which R has the meaning given in the description, as root penetration inhibitors.
    Type: Grant
    Filed: February 28, 1996
    Date of Patent: September 30, 1997
    Assignee: Bayer Aktiengesellschaft
    Inventors: Lutz Heuer, Heinz-Joachim Rother
  • Patent number: 5672713
    Abstract: Herbicidal and fungicidal substituted triazolinones of the formula ##STR1## in which R.sup.1 represents hydrogen, alkyl, alkenyl, alkinyl, halogenoalkyl, halogenoalkenyl, halogenoalkinyl, alkoxyalkyl, cycloalkyl or cycloalkylalkyl, or represents tetrahydrofuranyl or tetrahydrofuranylalkyl, or represents in each case optionally substituted aralkyl or aryl,R.sup.2 represents hydrogen, alkyl, alkenyl, alkinyl halogenoalkyl, halogenoalkenyl, halogenoalkinyl, cyanoalkyl, hydroxyalkyl, alkoxyalkyl, aryloxyalkyl, alkoxycarbonylalkyl, alkoxycarbonylalkenyl, alkylaminoalkyl or dialkylaminoalkyl, or represents in each case optionally substituted cycloalkyl, cycloalkylalkyl, cycloalkenyl or cycloalkenylalkyl, or represents optionally substituted heterocyclylalkyl, or represents in each case optionally substituted aralkyl, aroyl, aryl, aralkyloxy or aryloxy, or represents alkoxy, alkenyloxy of alkinyloxy,R.sup.
    Type: Grant
    Filed: March 1, 1996
    Date of Patent: September 30, 1997
    Assignee: Bayer Aktiengesellschaft
    Inventors: Klaus-Helmut Muller, Klaus Konig, Kurt Findeisen, Hans-Joachim Santel, Klaus Lurssen, Robert R. Schmidt, Stefan Dutzmann
  • Patent number: 5672787
    Abstract: 1,1,1,4,4,4-Hexafluorobutane (R 356) can be obtained in a simple manner and in excellent yields and with excellent selectivities when 1,1,1,4,4,4-hexafluorobutene is reacted in the liquid phase with hydrogen in the presence of a noble metal catalyst.
    Type: Grant
    Filed: June 17, 1996
    Date of Patent: September 30, 1997
    Assignee: Bayer Aktiengesellschaft
    Inventors: Dietmar Bielefeldt, Norbert Lui, Albrecht Marhold
  • Patent number: 5672617
    Abstract: This application relates to new thiocarbamoyl compounds of the formula (I) ##STR1## in which R.sup.1, R.sup.2, R.sup.3 and R.sup.4 have the meanings given in the description.
    Type: Grant
    Filed: February 9, 1996
    Date of Patent: September 30, 1997
    Assignee: Bayer Aktiengesellschaft
    Inventors: Peter Wachtler, Lutz Heuer, Martin Kugler, Heinrich Schrage
  • Patent number: 5672791
    Abstract: Nuclear-halogenated benzotrichlorides are prepared in a particularly advantageous manner from the corresponding nuclear-halogenated benzotrifluorides by reacting nuclear-halogenated benzotrifluorides with silicon tetrachloride in the presence of catalytic amounts of aluminium trichloride.
    Type: Grant
    Filed: January 24, 1996
    Date of Patent: September 30, 1997
    Assignee: Bayer Aktiengesellschaft
    Inventors: Fritz Doring, Reinhold Gehring, Josef Heinrich
  • Patent number: 5672719
    Abstract: Isobenzofurandiones are obtained in particularly advantageous manner by the dehydrogenation of tetrahydroisobenzofurandiones in the presence of catalysts at elevated temperature by a process in which distilled tetrahydro-isobenzofurandiones are heated to temperatures of between 120.degree. and 300.degree. C. in the presence of supported palladium and/or platinum catalysts and in the presence of maleic acid derivatives in a trickle-phase or liquid-phase procedure, the temperature in the liquid-phase procedure being increased at a rate of 0.6.degree. to 3.degree. C. per minute above 80.degree. to 110.degree. C.
    Type: Grant
    Filed: September 13, 1995
    Date of Patent: September 30, 1997
    Assignee: Bayer Aktiengesellschaft
    Inventors: Josef Kasbauer, Helmut Fiege
  • Patent number: 5672619
    Abstract: There are described new active compound combinations of a compound of the formula (I) ##STR1## with known fungicidal active compounds, and their use for the control of phytopathogenic fungi.
    Type: Grant
    Filed: April 8, 1996
    Date of Patent: September 30, 1997
    Assignee: Bayer Aktiengesellschaft
    Inventors: Wilhelm Brandes, Heinz-Wilhelm Dehne, Stefan Dutzmann, Karl-Heinz Kuck, Bernd-Wieland Kruger