Patents by Inventor Erich Klauke

Erich Klauke has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 5777181
    Abstract: 2,4,5-Trihalogenobenzene derivatives of the formula ##STR1## in which R is --COOH, --COCl, --COF, --CN, --CONH.sub.2, --CH.sub.2 OH, --CH.sub.2 Cl, --CHCl.sub.2, --CCl.sub.3 or --CHO,R.sup.1 is H, Cl or F, andR.sup.2 is Cl or F,it only being possible for R.sup.1 or R.sup.2 to be F, and processes for their preparation starting from benzonitriles reacted with potassium fluoride. The novel compounds are intermediates for antibacterials such as quinolone carboxylic acids.
    Type: Grant
    Filed: April 10, 1996
    Date of Patent: July 7, 1998
    Assignee: Bayer Aktiengesellschaft
    Inventors: Erich Klauke, Uwe Petersen, Klaus Grohe
  • Patent number: 5565614
    Abstract: 2,4,5-Trihalogenobenzene derivatives of the formula ##STR1## is which R is --COOH, --COCl, --COF, --CN, --CONH.sub.2, --CH.sub.2 OH, --CH.sub.2 Cl, --CHCl.sub.2, --CCl.sub.3 or --CHO,R.sup.1 is H, Cl or F, andR.sup.2 is Cl or F,it only being possible for R.sup.1 or R.sup.2 to be F, and processes for their preparation starting from benzonitriles reacted with potassium fluoride. The novel compounds are intermediates for antibacterials such as quinolone carboxylic acids.
    Type: Grant
    Filed: April 7, 1995
    Date of Patent: October 15, 1996
    Assignee: Bayer Aktiengesellschaft
    Inventors: Erich Klauke, Uwe Petersen, Klaus Grohe
  • Patent number: 5530158
    Abstract: 2,4,5-Trihalogenobenzene derivatives of the formula ##STR1## in which R is --COOH, --COCl, --COF, --CN, --CONH.sub.2, --CH.sub.2 OH, --CH.sub.2 Cl, --CHCl.sub.2, --CCl.sub.3 or --CHO,R.sup.1 is H, Cl or F, andR.sup.2 is Cl or F,it only being possible for R.sup.1 or R.sup.2 to be F, and processes for their preparation starting from benzonitriles reacted with potassium fluoride. The novel compounds are intermediates for antibacterials such as quinolone carboxylic acids.
    Type: Grant
    Filed: March 23, 1995
    Date of Patent: June 25, 1996
    Assignee: Bayer Aktiengesellschaft
    Inventors: Erich Klauke, Uwe Petersen, Klaus Grohe
  • Patent number: 5362909
    Abstract: 2,4,5-Trihalogenobenzene derivatives of the formula ##STR1## in which R is --COOH, --COCl, --COF, --CN, --CONH.sub.2, --CH.sub.2 OH, --CH.sub.2 Cl, --CHCl.sub.2, --CCl.sub.3 or --CHO,R.sup.1 is H, Cl or F, andR.sup.2 is Cl or F,it only being possible for R.sup.1 or R.sup.2 to be F, and processes for their preparation starting from benzonitriles reacted with potassium fluoride. The novel compounds are intermediates for antibacterials such as quinolone carboxylic acids.
    Type: Grant
    Filed: October 29, 1992
    Date of Patent: November 8, 1994
    Assignee: Bayer Aktiengesellschaft
    Inventors: Erich Klauke, Uwe Petersen, Klaus Grohe
  • Patent number: 5200548
    Abstract: 2,4,5-Trihalogenobenzene derivatives of the formula ##STR1## in which R is --COOH, --COCl, --COF, --CN, --CONH.sub.2, --CH.sub.2 OH, --CH.sub.2 Cl, --CHCl.sub.2, --CCl.sub.3 or --CHO,R.sup.1 is H, Cl or F, andR.sup.2 is Cl or F,it only being possible for R.sup.1 or R.sup.2 to be F, and processes for their preparation starting from benzonitriles reacted with potassium fluoride. The novel compounds are intermediates for antibacterials such as quinolone caboxylic acids.
    Type: Grant
    Filed: September 20, 1991
    Date of Patent: April 6, 1993
    Assignee: Bayer Aktiengesellschaft
    Inventors: Erich Klauke, Uwe Petersen, Klaus Grohe
  • Patent number: 5104439
    Abstract: Herbicidally active 5-amino-1-phenyl-pyrazoles, most of which are new, of the formula ##STR1##
    Type: Grant
    Filed: August 20, 1990
    Date of Patent: April 14, 1992
    Assignee: Bayer Aktiengesellschaft
    Inventors: Otto Schallner, Reinhold Gehring, Erich Klauke, Jorg Stetter, Heinz-Jurgen Wroblowsky, Robert R. Schmidt, Hans-Joachim Santel
  • Patent number: 5072038
    Abstract: 2,3,4,5-trihalogenobenzene derivatives of the formula ##STR1## in which R is --COOH, --COCl, --COF, --CN, --CONH.sub.2, --CH.sub.2 OH, --CH.sub.2 Cl, --CHCl.sub.2, --CCl.sub.3 or --CHO,R.sup.1 is H, Cl or F, andR.sup.2 is Cl or F,it only being possible for R.sup.1 or R.sup.2 to be F, and processes for their preparation starting from benzonitriles reacted with potassium fluoride. The novel compounds are intermediates for antibacterials such as quinolone carboxylic acids.
    Type: Grant
    Filed: January 2, 1990
    Date of Patent: December 10, 1991
    Assignee: Bayer Aktiengesellschaft
    Inventors: Erich Klauke, Uwe Petersen, Klaus Grohe
  • Patent number: 4929743
    Abstract: Herbicidally active novel 4,5-disubstituted 1,3-thiazol-2-yloxyacetamides of the formula ##STR1## in which R.sup.1 is fluorine or chlorine,R.sup.2 is alkyl or halogenoalkyl, andR.sup.3 and R.sup.4 each independently is alkyl, alkenyl, alkinyl, optionally substituted cycloalkyl, optionally substituted cycloalkenyl, halogenoalkyl, alkoxyalkyl, alkoxyalkyleneoxy, alkoxy, aralkyl or optionally substituted aryl, orR.sub.3 and R.sub.4, conjointly with the nitrogen atom to which they are bonded form an optionally substituted, heterocyclic ring which can contain further hetero-atoms.
    Type: Grant
    Filed: June 15, 1988
    Date of Patent: May 29, 1990
    Assignee: Bayer Aktiengesellschaft
    Inventors: Heinz Forster, Gunther Beck, Erich Klauke, Hans-Joachim Santel, Robert R. Schmidt
  • Patent number: 4914123
    Abstract: Acyloxythiophenes of the formula ##STR1## in which R.sup.1 represents alkyl, alkoxyalkyl, alkylthioalkyl, halogenoalkyl, cyanoalkyl, trialkylsilylmethyl, alkenyl or alkinyl,R.sup.2 represents alkyl,n represents 0 or 1 andR.sup.3 to R.sup.5 are identical or different and represent hydrogen, alkyl, alkoxy, halogenoalkyl, halogenoalkoxy, halogenoalkylthio, halogenoalkylsulphinyl, halogenoalkylsulphonyl, N-halogenoalkyl-N-halogenoalkylthioamino, chlorine or fluorine andR.sup.6 and R.sup.7 represent hydrogen, fluorine, chlorine, nitro or trifluoromethyl, with the proviso that one of the radicals R.sup.3 to R.sup.7 is a fluorine-containing radical or at least 3 of the radicals R.sup.3 to R.sup.7 represent fluorine and/or chlorine,which possess fungicidal activity.
    Type: Grant
    Filed: January 11, 1985
    Date of Patent: April 3, 1990
    Assignee: Bayer Aktiengesellschaft
    Inventors: Werner Daum, Erich Klauke, Engelbert Kuhle, Wilhelm Brandes, Paul Reinecke
  • Patent number: 4882437
    Abstract: A 5-aminopyrazole of the formula ##STR1## in which R.sup.1 represents alkoxycarbonyl, alkenyloxycarbonyl or alkinyloxycarbonyl, andR.sup.3, R.sup.4, R.sup.5, R.sup.6, and R.sup.7, which are identical or different, represent hydrogen, halogen, cyano, nitro, alkyl, alkoxy, alkylsulphonyl, alkoxycarbonyl or a radical --(X)n--R.sup.8whereinX represents oxygen, sulphur, sulphinyl or sulphyonyl,n represents 0 or 1 andR.sup.8 represents halogenoalkyl, with the proviso that at least one of the radicals R.sup.3, R.sup.4, R.sup.5, R.sup.6 or R.sup.7 represents a radical --(X).sub.n --R.sup.8, and R.sup.1 does not represent cyano if R.sup.1 represents trifluoromethyl,These compounds are intermediates useful in the preparation of herbicidally active substituted 5-acylamino-1-phenylpyrazoles.
    Type: Grant
    Filed: September 23, 1988
    Date of Patent: November 21, 1989
    Assignee: Bayer Aktiengesellschaft
    Inventors: Reinhold Gehring, Erich Klauke, Otto Schallner, Jorg Stetter, Hans-Joachim Santel, Robert R. Schmidt
  • Patent number: 4877443
    Abstract: Herbicidally active 2,4-diamino-6-haloalkylpyrimidines of the formula ##STR1## in which R.sup.1 and R.sup.3, independently of one another, represent hydrogen or alkyl,R.sup.2 and R.sup.4, independently of one another, represent hydrogen, alkyl which is optionally substituted by halogen, cyano, alkoxy, alkylthio or by cyclopropyl, represent cycloalkyl, alkenyl which is optionally substituted by halogen, or alkinyl, andR.sup.5 represents alkyl which is substituted by halogen, with the proviso that R.sup.1, R.sup.2, R.sup.3 andR.sup.4 do not simultaneously represent hydrogen whenR.sup.5 represents trichloromethyl, and with the provisio that R.sup.1 and R.sup.2 do not simultaneously represent hydrogen when R.sup.4 represents alkyl which is substituted by alkoxy or alkylthio.
    Type: Grant
    Filed: January 13, 1987
    Date of Patent: October 31, 1989
    Assignee: Bayer Aktiengesellschaft
    Inventors: Michael Schwamborn, Erich Klauke, Robert R. Schmidt, Hans-Joachim Santel, Robert H. Strang
  • Patent number: 4845249
    Abstract: The new compound ##STR1## is prepared and converted to the new acetal ##STR2## which is reacted with an alkali phenolate or alkaline earth metal phenolate in the presence of copper or a copper compound as a catalyst and in the presence of a diluent at a temperature between about 100.degree. and 200.degree. C. to produce the new acetal ##STR3## which can be hydrolyzed to the corresponding aldehyde which is a known intermediate for pyrethroid-like insecticides.
    Type: Grant
    Filed: March 2, 1988
    Date of Patent: July 4, 1989
    Assignee: Bayer Aktiengesellschaft
    Inventors: Rainer Fuchs, Fritz Maurer, Uwe Priesnitz, Hans-Jochem Riebel, Erich Klauke
  • Patent number: 4826988
    Abstract: Substituted furazans of the formula ##STR1## in which R and R.sup.1 are identical or different and represent optionally substituted aromatic or heteroaromatic radicals,R.sup.2 represents hydrogen, an OH or COOH grouping or an optionally substituted radical from the series comprising alkyl, alkoxy, cycloalkyl, cycloalkenyl, alkoxycarbonyl, alkoxythiocarbonyl, alkylsulphonyl, arylsulphonyl and aralkyl,Y represents oxygen or an S(O).sub.m, --CR.sup.3 R.sup.4, CO or NR.sup.5 grouping,in whichm represents the number 0, 1 or 2 andR.sup.3, R.sup.4 and R.sup.5 are identical or different andrepresent hydrogen or alkyl,n represents the number 0 or 1 andx represents oxygen or sulphur,and wherein, ifR represents phenyl,R.sup.1 represents phenyl,R.sup.2 represents hydrogen andx represents oxygen or sulphur,thenn represents the number 1,or ifn represents the number 0,R represents 4-bromophenyl,R.sup.1 represents 4-chlorophenyl andR.sup.2 represents hydrogen,thenX represents sulphur, which possess pesticidal activity.
    Type: Grant
    Filed: April 28, 1987
    Date of Patent: May 2, 1989
    Assignee: Bayer Aktiengesellschaft
    Inventors: Wilhelm Sirrenberg, Erich Klauke, Gerhard Zoebelein, Benedikt Becker, Wilhelm Stendel
  • Patent number: 4792635
    Abstract: Symmetric benzophenones substituted by groups containing fluorine are prepared by reacting aromatic compounds substituted by groups containing fluorine with formaldehyde and/or a formaldehyde derivative, with the addition of hydrogen fluoride, fluorosulphonic acid and/or sulphuric acid, to give the corresponding diphenylmethanes and oxidizing these. The symmetric benzophenones substituted by groups containing fluorine are used for the preparation of polyether ketones by reacting them with diols. New symmetric benzophenones substituted by groups containing fluorine are also disclosed.
    Type: Grant
    Filed: March 19, 1985
    Date of Patent: December 20, 1988
    Assignee: Bayer Aktiengesellschaft
    Inventors: Albrecht Marhold, Erich Klauke, Ernst Kysela
  • Patent number: 4791208
    Abstract: 5-Halogenoalkyl-1,3,4-thiadiazol-2-yloxyacetamides of the formula ##STR1## in which R.sup.1 is halogenoalkyl, with the exception of trifluoromethyl, andR.sup.2 and R.sup.3 each independently is hydrogen, alkyl, alkenyl, alkinyl, in each case optionally substituted cycloalkyl or cycloalkenyl, halogenoalkyl, alkoxyalkyl, alkoxyalkylenoxy, alkoxy, aralkyl or optionally substituted aryl, orR.sup.2 and R.sup.3, together with the nitrogen atom to which they are bonded, form an optionally substituted heterocyclic radical which can contain further hetero-atoms,which possess herbicidal and fungicidal activity. The intermediates 5-chlorodifluoromethyl- and 5-dichlorofluoromethyl-2-chloro-1,3,4- thiadiazole are also new.
    Type: Grant
    Filed: August 7, 1987
    Date of Patent: December 13, 1988
    Assignee: Bayer Aktiengesellschaft
    Inventors: Heinz Forster, Hans-Joachim Diehr, Fritz Maurer, Erich Klauke, Ludwig Eue, Hans-Joachim Santel, Robert R. Schmidt, Paul Reinecke, Gerd Hanssler
  • Patent number: 4791212
    Abstract: A 5-aminopyrazole of the formula ##STR1## in which R.sup.1 represents alkoxycarbonyl, alkenyloxycarbonyl, alkinyloxycarbonyl, alkenylaminocarbonyl or alkinylaminocarbonyl andR.sup.3, R.sup.4, R.sup.5, R.sup.6 and R.sup.7, which are identical or different, represent hydrogen, halogen, cyano, nitro, alkyl, alkoxy, alkylsulphonyl, alkoxycarbonyl or a radical --(X)n--R.sup.8whereinX represents oxygen, sulphur, sulphinyl or sulphonyl,n represents 0 or 1 andR.sup.8 represents halogenoalkyl, with the proviso that at least one of the radicals R.sup.3, R.sup.4, R.sup.5, R.sup.6 and R.sup.7 represents a radical --(X).sub.n --R.sup.8, but R.sup.1 does not represent cyano if R.sup.1 represents trifluoromethyl.These compounds are intermediates useful in the preparation of herbicidally active substituted 5-acylamino-1-phenylpyrazoles.
    Type: Grant
    Filed: December 30, 1986
    Date of Patent: December 13, 1988
    Assignee: Bayer Aktiengesellschaft
    Inventors: Reinhold Gehring, Erich Klauke, Otto Schallner, Jorg Stetter, Hans-Joachim Santel, Robert R. Schmidt
  • Patent number: 4788291
    Abstract: Herbicidally active novel 4,5-disubstituted 1,3-thiazol-2-yloxyacetamides of the formula ##STR1## in which R.sup.1 is fluorine or chlorine,R.sup.2 is alkyl or halogenoalkyl, andR.sup.3 and R.sup.4 each independently is alkyl, alkenyl, alkinyl, optionally substituted cycloalkyl, optionally substituted cycloalkenyl, halogenoalkyl, alkoxyalkyl, alkoxyalkyleneoxy, alkoxy, aralkyl or optionally substituted aryl, orR.sub.3 and R.sub.4, conjointly with the nitrogen atom to which they are bonded form an optionally substituted, heterocyclic ring which can contain further hetero-atoms.
    Type: Grant
    Filed: February 5, 1986
    Date of Patent: November 29, 1988
    Assignee: Bayer Aktiengesellschaft
    Inventors: Heinz Forster, Gunther Beck, Erich Klauke, Hans-Joachim Santel, Robert R. Schmidt
  • Patent number: 4774260
    Abstract: 1-Phenyl-3-benzoyl-(thio)ureas of the formula ##STR1## in which X represents oxygen or sulphur,R.sup.1 represents hydrogen, halogen, nitro, alkyl or alkylthio,R.sup.2, R.sup.4 and R.sup.5 are identical or different and represent hydrogen or halogen,R.sup.3 represents hydrogen, halogen or nitro,R.sup.6 and R.sup.7 are identical or different and represent hydrogen, halogen or alkyl,R.sup.8 and R.sup.9 are identical or different and represent hydrogen or halogen andR.sup.10 represents halogenoalkylthio or halogenoalkoxy,with certain exclusions, which possess insecticidal and acaricidal activity.
    Type: Grant
    Filed: March 24, 1986
    Date of Patent: September 27, 1988
    Assignee: Bayer Aktiengesellschaft
    Inventors: Wilhelm Sirrenberg, Erich Klauke, Benedikt Becker, Ingomar Krehan, Wilhelm Stendel
  • Patent number: 4770693
    Abstract: Herbicidally active novel substituted 5-acylamino-1-phenylpyrazoles of the formula ##STR1## in which R.sup.1 represents cyano, alkoxycarbonyl, alkenyloxycarbonyl, alkinyloxycarbonyl, aminocarbonyl, alkylaminocarbonyl, alkenylaminocarbonyl or alkinylaminocarbonyl,R.sup.2 represents hydrogen, alkyl, alkenyl, alkinyl, optionally substituted cycloalkyl, alkoxyalkyl, alkylthioalkyl, halogenoalkyl or optionally substituted aryl andR.sup.3, R.sup.4, R.sup.5, R.sup.6 and R.sup.7, which are identical or different, represent hydrogen, halogen, cyano, nitro, alkyl, alkoxy, alkylsulphonyl, alkoxycarbonyl or a radical --R.sup.8,whereinR.sup.8 represents halogenoalkyl, with the proviso that at least one of the radicals R.sup.3, R.sup.4, R.sup.5, R.sup.6 or R.sup.7 represents a radical --R.sup.8, but R.sup.1 does not represent cyano if R.sup.5 represents trifluoromethyl. Many of the intermediates are also novel.
    Type: Grant
    Filed: December 30, 1986
    Date of Patent: September 13, 1988
    Assignee: Bayer Aktiengesellschaft
    Inventors: Reinhold Gehring, Erich Klauke, Otto Schallner, Jorg Stetter, Hans-Joachim Santel, Robert R. Schmidt
  • Patent number: 4764611
    Abstract: Chlorine-containing pyrimidines are selectively hydrogenated with elimination of hydrogen chloride, without other substituents and/or the aromatic ring being significantly attacked, by using a hydrogenation catalyst and a hydrogen chloride acceptor. This process gives predominantly new pyrimidines.
    Type: Grant
    Filed: January 22, 1985
    Date of Patent: August 16, 1988
    Assignee: Bayer Aktiengesellschaft
    Inventors: Bernd Baasner, Erich Klauke, Karl-Heinz Schundehutte