Patents Represented by Law Firm Sprung, Horn, Kramer & Woods
  • Process for the preparation of 2-chloro-6-nitrophenyl alkyl sulphides and novel 2-chloro-6-nitrophenyl alkyl sulphides
    Patent number: 5650542
    Abstract: 2-Chloro-6-nitrophenyl alkyl sulphides of the formula ##STR1## in which the substituents are as defined in the description, can be prepared by reacting 2,3-dichloro-nitrobenzenes of the formula ##STR2## with mercaptans of the formulaHS-R.sup.1 (III)in the presence of 1-1.2 equivalents of a base per mole of mercaptan and in the presence of a phase transfer catalyst, at a temperature of 0.degree.-100.degree. C., in an aqueous or aqueous-organic medium. The majority of the 2-chloro- 6-nitrophenyl alkyl sulphides obtainable in this way are novel.
    Type: Grant
    Filed: November 6, 1995
    Date of Patent: July 22, 1997
    Assignee: Bayer Aktiengesellschaft
    Inventors: Helmut Fiege, Ferdinand Hagedorn
  • Fungicidal active compound combinations
    Patent number: 5650423
    Abstract: New active compound combinations of valinamide derivatives of the formula (I) ##STR1## in which R.sup.1 and R.sup.2 has the meaning given in the description,with known fungicidal active substances, and their use for combating phytopathogenic fungi are described.
    Type: Grant
    Filed: November 6, 1995
    Date of Patent: July 22, 1997
    Assignee: Bayer Aktiengesellschaft
    Inventors: Heinz-Wilhelm Dehne, Wilhelm Brandes, Karl-Heinz Kuck, Thomas Seitz
  • Herbicidal 1-cyclopropyl tetrazolinones
    Patent number: 5650374
    Abstract: Herbicidal 1-cyclopropyl tetrazolinones of the formula ##STR1## wherein X represents C.sub.1-3 alkyl, C.sub.2-4 alkenyl or halogen,n represents 0 to 5,R.sup.1 and R.sup.2 each independently represents C.sub.1-6 alkyl, C.sub.2-6 alkenyl, C.sub.2-6 alkynyl, C.sub.3-7 cycloalkyl which may optionally be substituted by C.sub.1-3 alkyl, epoxy-C.sub.3-5 alkan-1-yl, phenyl which may optionally be substituted, or aralkyl which may optionally be substituted, orR.sup.1 and R.sup.2 together with the N-atom to which they are attached, represent a cyclic ring which may be substituted, and some novel intermediates therefor.
    Type: Grant
    Filed: November 7, 1995
    Date of Patent: July 22, 1997
    Assignee: Nihon Bayer Agrochem K.K.
    Inventors: Toshio Goto, Yoshinori Kitagawa, Seishi Ito, Katsuhiko Shibuya, Kazuhiro Ukawa, Yoshiko Kyo
  • Storage and selective information transmission system for personal data
    Patent number: 5651067
    Abstract: Storage and selective information transmission system of personal data comprising at least one optical memory card on which a defined memory field for storing a multiplicity of key terms is provided, a multiplicity of codes each assigned to at least one key term, at least one read/write device for the optical memory card having a multiplicity of key recognition functions, one key recognition function in each case pointing to one of a multiplicity of formatting functions contained in the read/write device and activating said formatting functions in interaction with the respective assigned code, each formatting function pointing to a data storage field of the optical card and being qualified, on the basis of the associated format specifications, for reading the data stored there.
    Type: Grant
    Filed: February 9, 1995
    Date of Patent: July 22, 1997
    Assignee: Bayer Aktiengesellschaft
    Inventors: Wolfgang Ahrens, Georg Hartmann, Gunnar Weikert
  • Process for preparing 6-oxo-(6H)-dibenz-[c,e][1,2]-oxaphosphorins (ODOPs)
    Patent number: 5650530
    Abstract: Optionally substituted ODOP is obtained by reaction of optionally substituted o-phenylphenol with PCl.sub.3 in the presence of Lewis acids at elevated temperature in a first stage, with according to the invention an excess of at least 0.05 mol of PCl.sub.3 per mol of o-phenylphenol being maintained during the entire reaction time, and, after removal of the PCl.sub.3, by hydrolysis in a second stage using 1-2 mol of H.sub.2 O per chlorine equivalent of the product of the first stage at 50.degree.-150.degree. C. and with removal of HCl and residual H.sub.2 O.
    Type: Grant
    Filed: September 12, 1995
    Date of Patent: July 22, 1997
    Assignee: Bayer Aktiengesellschaft
    Inventors: Hans-Josef Buysch, Volker Glock, Bernd Griehsel, Joachim Komoschinski
  • Cosmetic deodorant preparation containing di- or triglycerin esters
    Patent number: 5648067
    Abstract: Cosmetic deodorants, characterized by an active content of monocarboxylic acid esters of di- and/or triglycerol.
    Type: Grant
    Filed: August 17, 1995
    Date of Patent: July 15, 1997
    Assignees: Beiersdorf Aktiengesellschaft, Solvay Fluor und Derivate GmbH
    Inventors: Helmut Dillenburg, Gerald Jakobson, Winfried Klein, Werner Siemanowski, Karlheinz Uhlig, Florian Wolf
  • Methyleneperfluorocycloalkanes and their use in the production of thermoplastic fluororesins
    Patent number: 5648566
    Abstract: Monomers of the formula (I) (for example, 3,3,4,4,5,5,6,6-octafluoromethylenecyclopentane) are described, as well as copolymers prepared from them and from one or more monomers copolymerizable with them. ##STR1## wherein n=3 to 5 The compounds are suitable for the production of a multiplicity of thermoplastically processable copolymers having various sets of properties which permit applications both as compact moulded parts and as coatings.
    Type: Grant
    Filed: May 31, 1995
    Date of Patent: July 15, 1997
    Assignee: Bayer Aktiengesellschaft
    Inventors: Ralf Kruger, Michael Negele, Norbert Lui, Albrecht Marhold
  • Fluoro-trifluoromethylbenzoic acid derivatives
    Patent number: 5648567
    Abstract: The new fluoro-trifluoromethylbenzoic acid derivatives of the general formula (I) ##STR1## wherein the substituents R, R.sup.1, R.sup.2, R.sup.3, R.sup.4 and R.sup.5 have the meaning given in the description, are suitable as starting substances for the preparation of antibacterial agents and feed additives.
    Type: Grant
    Filed: August 14, 1995
    Date of Patent: July 15, 1997
    Assignee: Bayer Aktiengesellschaft
    Inventors: Albrecht Marhold, Peter Andres
  • Substituted (1,4) Dioxino (2,3-F) Benzoimidazole derivative and their use in pest control
    Patent number: 5648316
    Abstract: Described herein are new benzimidazole derivatives of the formula ##STR1## in which R represents cyano or the group ##STR2## X.sup.1, X.sup.2, X.sup.3 and X.sup.4 are identical or different and represent halogen;Y represents alkyl, alkenyl or alkinyl, each of which is optionally substituted by halogen; or represents optionally substituted phenylalkyl or in each case optionally substituted cycloalkyl and cycloalkenyl; andZ represents hydrogen or halogen, a process for the preparation of these substances, and their use for controlling pests.
    Type: Grant
    Filed: October 29, 1996
    Date of Patent: July 15, 1997
    Assignee: Bayer Aktiengesellschaft
    Inventors: Lutz Assmann, Albrecht Marhold, Heinz-Wilhelm Dehne, Gerd Hanssler, Klaus Stenzel, Ulrike Wachendorff-Neumann
  • Process for the adiabatic preparation of mononitrotoluenes
    Patent number: 5648565
    Abstract: Mononitrotoluenes can be prepared by intensively mixing together toluene, nitric acid, sulphuric acid and water, simultaneously or successively in their total amount, and, in the case of continuous preparation, redispersing the mixture at least twice, for which purpose a mixing energy of 1 to 40 watts per liter of the total reaction mixture, preferably 3 to 30 W/l, is employed per volume of the reactor, and, for the continuous procedure, the back mixing is substantially repressed. Adiabatic reaction conditions are maintained.
    Type: Grant
    Filed: July 12, 1996
    Date of Patent: July 15, 1997
    Assignee: Bayer Aktiengesellschaft
    Inventors: Bernd-Michael Konig, Helmut Judat, Heinz Ulrich Blank
  • Process for the preparation of 5-substituted 2-chloropyridines
    Patent number: 5648495
    Abstract: The present invention relates to a process for the preparation of 5-substituted 2-chloropyridines of the formula (I) ##STR1## by reaction of acetenamides of the formula (II) ##STR2## with Vilsmeier reagent, which is prepared by reaction of dialkylformamides of the formula (III) ##STR3## with a chlorinating agent, the excess of which is removed from the reaction mixture by distillation or by addition of dialkylformamide after completion of the reaction of the Vilsmeier reagent with the acetenamide of the formula (II), wherein in the formulae (I)-(III):R represents optionally substituted alkyl or aralkyl,R.sup.1 represents C.sub.1 -C.sub.4 -alkyl or aryl-C.sub.1 -C.sub.4 -alkyl,R.sup.2 and R.sup.3 represent straight-chain, branched or cyclic C.sub.4 -C.sub.8 -alkyl.
    Type: Grant
    Filed: January 11, 1996
    Date of Patent: July 15, 1997
    Assignee: Bayer Aktiengesellschaft
    Inventors: Klaus Jelich, Hans Lindel, Christoph Mannheims, Reinhard Lantzsch, Walter Merz
  • Process for preparing substituted chloroaromatics
    Patent number: 5648570
    Abstract: Substituted chloroaromatics are obtained in a simple manner in virtually isomer-free form when substituted phenols of the formula (II) ##STR1## where R.sup.1 to R.sup.5 are each, independently of one another, hydrogen, C.sub.1 -C.sub.10 -alkyl, unsubstituted or substituted C.sub.6 -C.sub.10 -aryl or halogen, with at least one of these radicals being different from hydrogen,are reacted with dichlorotriphenylphosphorus.
    Type: Grant
    Filed: June 21, 1996
    Date of Patent: July 15, 1997
    Assignee: Bayer Aktiengesellschaft
    Inventors: Heinz Landscheidt, Witold Broda, Alexander Klausener
  • Process for the preparation of substituted 1,2,3,4-tetrahydrocarbazoles
    Patent number: 5648500
    Abstract: Substituted 1,2,3,4-tetrahydrocarbazoles of the formula ##STR1## having the meaning for R.sup.1 to R.sup.8 indicated in the description, can be prepared by catalytically hydrogenating a substituted phenol of the formula ##STR2## reacting the hydrogenation solution with a phenylhydrazine of the formula ##STR3## to give the hydrazone and cyclizing the hydrazone under acidic conditions.
    Type: Grant
    Filed: February 29, 1996
    Date of Patent: July 15, 1997
    Assignee: Bayer Aktiengesellschaft
    Inventors: Heinz Landscheidt, Alexander Klausener, Eberhard Zirngiebl, Jorg-Dietrich Jentsch
  • Process for the preparation of C.sub.1 -C.sub.4 -alkyl nitrites
    Patent number: 5649322
    Abstract: C.sub.1 -C.sub.4 -Alkyl nitrites can be prepared by reaction of C.sub.1 -C.sub.4 -alkanols with nitrogen oxides with the participation of oxygen in a reactor designed as a scrubber column, nitrogen oxides having a proportion of more than 50% of NO of the total amount of gram atoms of N of the nitrogen oxides, oxygen and optionally inert gas being fed into the lower part of the reactor. 5 to 60% of the total amount of C.sub.1 -C.sub.4 -alkanol used is likewise fed into the lower part of the reactor in vaporous or atomized form, while the remaining C.sub.1 -C.sub.4 -alkanol is delivered to the column head.
    Type: Grant
    Filed: December 11, 1995
    Date of Patent: July 15, 1997
    Assignee: Bayer Aktiengesellschaft
    Inventors: Heinz Landscheidt, Paul Wagner, Zoltan Kricsfalussy, Alexander Klausener
  • Sliding surface bearing
    Patent number: 5648620
    Abstract: A cast sliding surface bearing for guiding and supporting moving machine members consists of a light alloy matrix (4), which contains a cast-in shaped body (2), which constitutes portions of the sliding surface (6) and is made of a hard material and has open cavities, which contain infiltrated matrix material. In order to achieve improved tibological properties the open cavities of the shaped body are filled with matrix material, each of the hard portions of the shaped body which lie in the sliding surface has a size, measured in an axis, of .ltoreq.0.1 mm, and the distance between the hard portions of the shaped body, measured in an axis, is .ltoreq.2 mm.
    Type: Grant
    Filed: February 24, 1995
    Date of Patent: July 15, 1997
    Assignee: KS Aluminium-Technologie Aktiengesellschaft
    Inventors: Otto W. Stenzel, Georg Sick, Eduard Kohler, Herbert Moding, Jurgen Niehues
  • Preparation of 7-(3-amino- and 3-amino-methyl-1-pyrrolidinyl)-3-quinolonecarboxylic acids and -naphthyridonecarboxylic acids
    Patent number: 5648493
    Abstract: Process for the preparation of antibacterial compounds of the formula ##STR1## comprises condensing an oxo compound of the formula ##STR2## with an amino compound of the formula ##STR3## to produce a compound of the formula ##STR4## reacting the compound of the formula (III) with a compound of the formula ##STR5## to give a compound of the formula ##STR6## and then eliminating the amino-protective group ##STR7##
    Type: Grant
    Filed: June 19, 1991
    Date of Patent: July 15, 1997
    Assignee: Bayer Aktiengesellschaft
    Inventors: Uwe Petersen, Andreas Krebs, Thomas Schenke, Klaus Grohe, Michael Schriewer, Ingo Haller, Karl Georg Metzger, Rainer Endermann, Hans-Joachim Zeiler
  • Process for the preparation of dialkyl maleates
    Patent number: 5648517
    Abstract: A process has been found for the preparation of dialkyl maleates from maleic acid, maleic anhydride or monoalkyl maleates with C.sub.1 -C.sub.8 -alcohols, in particular ethanol, in the presence or absence of an acidic catalyst and at boiling heat, which is characterized in that the escaping water/alcohol/vapour mixture, together with its condensed phase if appropriate, is conducted as feed along a hydrophilic membrane at which it is purged of water and the dehydrated alcohol is returned to the reaction mixture.
    Type: Grant
    Filed: June 2, 1995
    Date of Patent: July 15, 1997
    Assignee: Bayer Aktiengesellschaft
    Inventors: Nikolaus Muller, Andreas Groschl, Ingo Janisch
  • Recombinant foamy virus vectors for medicinal, and diagnostic uses, and processes for preparing recombinant foamy virus vectors
    Patent number: 5646032
    Abstract: The present invention relates to the preparation of novel vector systems which are generated by in-vitro recombination, using gene technology, of nucleic acids from foamy virus species and of exogenous nucleic acid, and are produced by suitable host cells or by recombinantly altered packaging cell lines. The recombinant preparation of particularly suitable packaging cell lines is likewise a constituent of this invention. The invention is distinguished by the safe and efficient transfer by foamy virus vectors of therapeutic and other genes into eukaryotic cells.
    Type: Grant
    Filed: November 28, 1994
    Date of Patent: July 8, 1997
    Assignee: Bayer Aktiengesellschaft
    Inventors: Volker ter Meulen, Axel Rethwilm
  • Pseudopeptides with antiviral activity
    Patent number: 5646121
    Abstract: The present invention relates to novel pseudopeptides with antiviral activity of the general formula (I) ##STR1## in which the substituents have the meaning given in the description, to a process for their preparation, and to their use as antiviral agents, especially against cytomegaloviruses.
    Type: Grant
    Filed: September 7, 1994
    Date of Patent: July 8, 1997
    Assignee: Bayer Aktiengesellschaft
    Inventors: Dieter Habich, Thomas-J. Schulze, Jurgen Reefschlager, Jutta Hansen, Rainer Neumann, Gert Streissle, Arnold Paessens
  • Use of 5-acyl-1,4-dihydropyridines
    Patent number: 5646166
    Abstract: The present invention relates to the new use of 1-alkyl-3,5-diacyl-1,4-dihydropyridines which are known in some cases, of the general formula (I) ##STR1## in which R.sup.1 to R.sup.4 have the meaning indicated in the description, processes for their preparation and their use as medicaments, as selective potassium channel modulators, in particular for the treatment of the central nervous system.
    Type: Grant
    Filed: December 8, 1995
    Date of Patent: July 8, 1997
    Assignee: Bayer Aktiengesellschaft
    Inventors: Klaus Urbahns, Hans-Georg Heine, Thomas Glaser, Reilinde Wittka, Jean-Marie-Viktor De Vry, Henning Sommermeyer