Patents by Inventor Ludwig Eue

Ludwig Eue 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: 4721785
    Abstract: A compound of the formula ##STR1## in which Q is N or CH,M.sup.1 is hydrogen, C.sub.1 -C.sub.6 -alkyl (which is optionally substituted by fluorine, chlorine or cyano), C.sub.3 -C.sub.6 -alkenyl, C.sub.3 -C.sub.6 -alkinyl or benzyl in particular hydrogen,R.sup.37 is hydrogen or C.sub.1 -C.sub.4 -alkoxy, andR.sup.39 is C.sub.1 -C.sub.4 -alkyl or C.sub.1 -C.sub.4 -alkoxy.The compounds are intermediates in the preparation of new herbicides.
    Type: Grant
    Filed: April 18, 1986
    Date of Patent: January 26, 1988
    Assignee: Bayer Aktiengesellschaft
    Inventors: Koichi Moriya, Theodor Pfister, Hans-Jochem Riebel, Ludwig Eue, Robert R. Schmidt, Klaus Lurssen
  • Patent number: 4717417
    Abstract: New dextrorotatory enantiomers of phenoxy propionic acid derivatives of the formula ##STR1## in which R.sup.1 represents a radical of the formula ##STR2## wherein X.sup.1 represents hydrogen or halogen,X.sup.2 represents halogen or trifluoromethyl,X.sup.3 represents halogen or trifluoromethyl,X.sup.4 represents hydrogen or halogen andX.sup.5 represents hydrogen or halogen,Y represents oxygen or the radical SO.sub.m,whereinm represents 0, 1 or 2,R.sup.2 represents hydrogen or methyl,n represents 1 or 2 andR.sup.3 and R.sup.4 independently of one another represent hydrogen, halogen, alkyl with 1 to 4 carbon atoms, alkoxy with 1 to 4 carbon atoms, alkylthio with 1 to 4 carbon atoms, nitro, cyano or alkoxycarbonyl with 1 to 4 carbon atoms in the alkoxy group, and their use as herbicides.
    Type: Grant
    Filed: March 14, 1986
    Date of Patent: January 5, 1988
    Assignee: Bayer Aktiengesellschaft
    Inventors: Koichi Moriya, Uwe Priesnitz, Hans-Jochem Riebel, Ludwig Eue, Robert R. Schmidt
  • Patent number: 4708731
    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: December 21, 1984
    Date of Patent: November 24, 1987
    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: 4670044
    Abstract: Novel herbicidally active N-methyl-4-pyridones of the formula ##STR1## in which R represents hydrogen, alkyl, alkenyl, alkynyl, alkoxyalkyl, halogenoalkyl, cycloalkyl, optionally substituted aralkyl or one equivalent of an ammonium or metal cation andR.sup.1 and R.sup.2, together with the nitrogen atom to which they are bonded, represent an optionally substituted heterocyclic radical.
    Type: Grant
    Filed: July 29, 1985
    Date of Patent: June 2, 1987
    Assignee: Bayer Aktiengesellschaft
    Inventors: Hans-Joachim Knops, Peter Babczinski, Ludwig Eue, Hans-Joachim Santel, Robert R. Schmidt
  • Patent number: 4670040
    Abstract: Novel phenoxypropionyloxyalkanephosphonates of the formula ##STR1## in which R is optionally substituted alkyl andA is optionally substituted alkanediyl,and the use of such new compounds as herbicides.
    Type: Grant
    Filed: January 24, 1985
    Date of Patent: June 2, 1987
    Assignee: Bayer Aktiengesellschaft
    Inventors: Theodor Pfister, Heinz Forster, Ludwig Eue, Robert R. Schmidt, Hans-Joachim Santel
  • Patent number: 4659366
    Abstract: Herbicidally and fungicidally active novel 2-(alkoximiminoalkoxycarbonyl)-phenylsulphonylureas of the formula ##STR1## in which R.sup.1 represents hydrogen, halogen, alkyl, halogenoalkyl, alkoxy or nitro,R.sup.2 represents hydrogen, alkyl or optionally substituted aryl,R.sup.3 represents hydrogen or alkyl,R.sup.4 represents hydrogen, alkyl, alkoxy, alkylthio, alkoxyalkyl, alkylthioalkyl, cyano, alkoxycarbonyl or optionally substituted aryl,R.sup.5 represents hydrogen, alkyl, alkenyl, alkinyl, halogenoalkyl, halogenoalkenyl, alkoxyalkyl, alkylthioalkyl or optionally substituted aralkyl,Y represents oxygen or sulphur andHet represents a heterocyclic radical of the formula ##STR2## wherein E represents nitrogen or the CH group andR.sup.6 and R.sup.7 independently of one another each represent alkyl, alkoxy or alkoxyalkyl.
    Type: Grant
    Filed: March 27, 1985
    Date of Patent: April 21, 1987
    Assignee: Bayer Aktiengesellschaft
    Inventors: Jorg Stetter, Robert R. Schmidt, Hans-Joachim Santel, Gerd Hanssler, Ludwig Eue
  • Patent number: 4657577
    Abstract: Novel substituted pyridyl-phenyl ethers of the formula ##STR1## in which X represents trifluoromethyl or chlorine,Y represents hydrogen or chlorine,R.sup.1 represents hydrogen or methyl andR.sup.2 represents formyl or the radicals of the formulae ##STR2## in which R.sup.3 represents alkyl with 1 to 4 carbon atoms, or the two radicals R.sup.3 together represent an alkylene chain with 2 or 3 carbon atoms,R.sup.4, R.sup.5, R.sup.6 and R.sup.7 independently of one another represent hydrogen or alkyl with 1 to 4 carbon atoms,m represents 1 or 2,n represents 0 or 1 andZ represents trimethylsilyl, optionally substituted azolyl which is bonded via nitrogen or the radicals of the formulae ##STR3## in which R.sup.8 represents alkyl with 1 to 4 carbon atoms,or the two radicals R.sup.8 together represent an alkylene chain with 2 or 3 carbon atoms,R.sup.9 represents alkyl with 1 to 4 carbon atoms,X.sup.1 represents oxygen or sulphur andR.sup.10 and R.sup.
    Type: Grant
    Filed: March 28, 1985
    Date of Patent: April 14, 1987
    Assignee: Bayer Aktiengesellschaft
    Inventors: Heinz Forster, Erich Klauke, Uwe Priesnitz, Hans-Jochem Riebel, Ludwig Eue, Robert R. Schmidt
  • Patent number: 4645525
    Abstract: Azolyloxy-carboxylic acid amides of the formula ##STR1## wherein R is a five-membered hetero-aromatic monocyclic radical which contains an oxygen atom or a sulfur atom and 1 to 3 nitrogen atoms; orR is said monocyclic radical substituted by halogen, nitro, cyano, amino, alkylamino, dialkylamino, arylamino, alkylcarbonylamino, alkylcarbonyl, carboxyl, alkoxycarbonyl, carbamoyl, alkylaminocarbonyl, dialkylaminocarbonyl, arylaminocarbonyl substituted arylaminocarbonyl wherein the substituents are halogen, nitro or alkyl, aryl, substituted aryl wherein the substituents are halogen, nitro, cyano, alkyl, halogenoalkyl or alkoxy, aralkyl, haloaralkyl, alkoxy, halo-alkoxy, alkenoxy, alkynoxy, alkoxycarbonylalkoxy, aralkoxy or aryloxy, optionally halogen-substituted alkylthio, alkenylthio, alkynylthio, alkoxycarbonylalkylthio, aralkylthio, arylthio, alkylsulphinyl or alkylsulphonyl, optionally halogen-substituted alkyl, alkenyl, alkynyl, alkoxyalkyl, aralkoxyalkyl, aryloxyalkyl, alkylthioalkyl, alkylsulphinylalkyl, al
    Type: Grant
    Filed: August 26, 1983
    Date of Patent: February 24, 1987
    Assignee: Bayer Aktiengesellschaft
    Inventors: Heinz Forster, Wolfgang Hofer, Volker Mues, Ludwig Eue, Robert R. Schmidt
  • Patent number: 4640923
    Abstract: 2,4-Diamino-6-halogeno-5-alkylthio-pyrimidines of the general formual (I) ##STR1## in which X represents halogen,R.sup.1 represents alkyl which is optionally substituted by halogen,R.sup.2 represents hydrogen or alkyl,R.sup.3 represents hydrogen, alkyl or alkoxyalkyl,R.sup.4 represents hydrogen or alkyl,Z represents a branched or straight-chain alkylene group andR.sup.5 represents alkyl,process for their preparation and their use as plant protecting agent, particularly as herbicides and fungicides.
    Type: Grant
    Filed: January 8, 1986
    Date of Patent: February 3, 1987
    Assignee: Bayer Aktiengesellschaft
    Inventors: Michael Schwamborn, Engelbert Kuhle, Erich Klauke, Ludwig Eue, Robert R. Schmidt, Hans-Joachim Santel, Gerd Hanssler
  • Patent number: 4639526
    Abstract: 2-(alkyl, alkenyl and alkylmercapto)-5-[N-(alkanoyl, chloroalkanoyl, alkoxycarbonyl, phenoxy carbonyl, N'-[alkyl and alkenyl]-aminocarbonyl and N'-alkyl-N'-[alkyl and alkenyl]-aminocarbonyl)-amino]-1,3,4-thiadiazoles, i.e. 2-(alkyl, alkenyl and alkylmercapto)-5-[N-(alkanoylamino, chloroalkanoylamino, alkoxycarbonylamino, phenoxycarbonylamino, N'-[alkyl and alkenyl]-ureido and N'-alkyl-N'-[alkyl and alkenyl]-ureido)]-1,3,4-thiadiazoles, which possess herbicidal properties, and which may be produced by conventional methods.
    Type: Grant
    Filed: August 29, 1968
    Date of Patent: January 27, 1987
    Assignee: Bayer Aktiengesellschaft
    Inventors: Carl Metzger, Ludwig Eue, Helmuth Hack
  • Patent number: 4639537
    Abstract: New laevorotatory enantiomers of phenoxy propionic acid derivatives of the formula ##STR1## in which R.sup.2 represents a radical of the formula ##STR2## wherein Y represents oxygen or the radical SO.sub.m,whereinm represents 0, 1 or 2,R.sup.2 represents hydrogen or methyl,n represents 1 or 2 andR.sup.3 and R.sup.4 independently of one another represent hydrogen, halogen, alkyl with 1 to 4 carbon atoms, alkoxy with 1 to 4 carbon atoms, alkylthio with 1 to 4 carbon atoms, nitro, cyano or alkoxycarbonyl with 1 to 4 carbon atoms in the alkoxy group, and their use as intermediates for preparing herbicides.
    Type: Grant
    Filed: May 24, 1985
    Date of Patent: January 27, 1987
    Assignee: Bayer Aktiengesellschaft
    Inventors: Koichi Moriya, Uwe Priesnitz, Hans-Jochem Riebel, Ludwig Eue, Robert R. Schmidt
  • Patent number: 4636245
    Abstract: Novel substituted tetrahydrothiopyran-2,4-dione herbicides of the formula ##STR1## in which R.sup.1 is hydrogen, alkyl, alkenyl, alkinyl, alkoxyalkyl, alkylthioalkyl, halogenoalkyl, cycloalkyl or optionally substituted aryl,R.sup.2 is alkyl, alkenyl, alkinyl, alkoxyalkyl, alkylthioalkyl, halogenoalkyl, halogenoalkenyl, alkoxycarbonylalkyl, alkoximinoalkyl, optionally substituted aralkyl or optionally substituted heterocyclylalkyl, andR.sup.3 and R.sup.4 each independently is hydrogen, alkyl, alkoxyalkyl, alkylthioalkyl, cycloalkyl, optionally substituted aryl, optionally substituted aryloxyalkyl or optionally substituted aralkyl,or metal salts thereof.
    Type: Grant
    Filed: May 23, 1985
    Date of Patent: January 13, 1987
    Assignee: Bayer Aktiengesellschaft
    Inventors: Heinz-Jurgen Wroblowsky, Jorg Stetter, Ludwig Eue, Robert R. Schmidt, Hans-Joachim Santel
  • Patent number: 4627871
    Abstract: The novel substituted carboxylic acid anilides of the formula ##STR1## in which X represents oxygen or sulphur,R.sup.1 represents hydrogen, halogen, alkyl with 1 to 6 carbon atoms, trifluoromethyl, optionally substituted phenyl, alkoxy with 1 to 6 carbon atoms or alkylmercapto with 1 to 6 carbon atoms,R.sup.2 represents halogen or methyl,n represents 0, 1 or 2,R.sup.3 represents hydrogen, halogen, optionally substituted alkyl with 1 to 6 carbon atoms, optionally substituted aryl, optionally substituted aralkyl or the radicals --OR.sup.6 or --SO.sub.m --R.sup.6,whereinR.sup.6 represents optionally substituted alkyl with 1 to 6 carbon atoms or optionally substituted aryl andm represents 0, 1 or 2, andR.sup.4 and R.sup.5 independently of one another represent halogen or optionally substituted alkyl with 1 to 6 carbon atoms, orR.sup.4 and R.sup.
    Type: Grant
    Filed: May 24, 1985
    Date of Patent: December 9, 1986
    Assignee: Bayer Aktiengesellschaft
    Inventors: Klaus Sasse, Ludwig Eue, Hans-Joachim Santel, Robert R. Schmidt
  • Patent number: 4627872
    Abstract: New herbicidally active 2,4-diamino pyrimidines of the formula ##STR1## wherein R.sup.1 is hydrogen or halogen, R.sup.2 is an optionally halogen-substituted alkyl or is halogen or alkoxy; R.sup.3 is hydrogen or alkyl; Y is oxygen or sulfur; and Z is a branched or unbranched alkylene.
    Type: Grant
    Filed: December 5, 1985
    Date of Patent: December 9, 1986
    Assignee: Bayer Aktiengesellschaft
    Inventors: Michael Schwamborn, Engelbert Kuhle, Ludwig Eue, Robert R. Schmidt, Hans-Joachim Santel
  • Patent number: 4622415
    Abstract: There is disclosed an R enantiomer of phenoxypropionic acid compound of the formula ##STR1## in which X represents hydrogen or halogen, and R represents hydroxyl, alkoxy, halogen or the radical of the formula ##STR2## wherein R.sup.1 and R.sup.2 independently of one another represent hydrogen or methyl, n represents 0, 1 or 2 and Y represents trimethylsilyl, or optionally substituted azolyl bonded via nitrogen, or represents alkoxy, alkoxycarbonyl or the radical of the formula ##STR3## wherein Q represents oxygen, sulphur, SO or SO.sub.2 and R.sup.3 and R.sup.4 independently of one another represent hydrogen, halogen, alkyl having 1 to 4 carbon atoms, alkoxy having 1 to 4 carbon atoms, alkylthio having 1 to 4 carbon atoms, nitro, cyano or alkoxycarbonyl having 1 to 4 carbon atoms in the alkoxy group; compositions containing herbicidally effective amounts of such R enantiomers and the use of such R enantiomers as herbicides.
    Type: Grant
    Filed: July 31, 1985
    Date of Patent: November 11, 1986
    Assignee: Bayer Aktiengesellschaft
    Inventors: Heinz Forster, Bernd Gallenkamp, Uwe Priesnitz, Hans-Jochem Riebel, Ludwig Eue, Robert R. Schmidt
  • Patent number: 4614534
    Abstract: 5-Amino-4-heterocyclyl-1-phenylpyrazoles of the formula ##STR1## in which R.sup.1 represents hydrogen or alkyl,R.sup.2 represents hydrogen or a radical ##STR2## R.sup.3 represents hydrogen, ##STR3## alkyl, alkenyl or alkinyl, R.sup.4, R.sup.5, R.sup.6, R.sup.7 and R.sup.8 independently of one another represent hydrogen, cyano, nitro, halogen, alkyl, alkoxy, alkoxycarbonyl, halogenoalkyl, halogenoalkoxy or a radical --S(O).sub.n --R.sup.10,R.sup.9 represents hydrogen, alkyl, alkenyl, alkinyl, halogenoalkyl, alkoxyalkyl, alkylthioalkyl, optionally substituted cycloalkyl, optionally substituted aryl, alkoxy, alkylthio, optionally substituted aryloxy or aryloxyalkyl, optionally substituted arylthio, alkylamino, dialkylamino or optionally substituted arylamino,R.sup.
    Type: Grant
    Filed: June 4, 1985
    Date of Patent: September 30, 1986
    Assignee: Bayer Aktiengesellschaft
    Inventors: Jorg Stetter, Reinhold Gehring, Markus Lindig, Otto Schallner, Ludwig Eue, Robert R. Schmidt, Hans-Joachim Santel, Klaus Lurssen
  • Patent number: 4614537
    Abstract: N-Acyl-piperidone ketal compounds of the formula ##STR1## in which R.sup.1 represents alkyl or halogen,R.sup.2 represents halogen,R.sup.3 represents alkyl andR.sup.4 represents alkyl, orR.sup.3 and R.sup.4 together represent an optionally branched alkylene chain, andR.sup.5, R.sup.6, R.sup.7 and R.sup.8 independently of one another represent hydrogen or alkyl,and their use as antidotes for protecting crop plants from herbicidal damage.
    Type: Grant
    Filed: October 25, 1983
    Date of Patent: September 30, 1986
    Assignee: Bayer Aktiengesellschaft
    Inventors: Hans-Jochem Riebel, Ludwig Eue, Wilfried Faust, Uwe Priesnitz
  • Patent number: 4614532
    Abstract: 2,4-Diamino-6-halogeno-5-alkylthio-pyrimidines of the general formula (I) ##STR1## in which X represents halogen,R.sup.1 represents alkyl which is optionally substituted by halogen,R.sup.2 represents hydrogen or alkyl,R.sup.3 represents hydrogen, alkyl or alkoxyalkyl,R.sup.4 represents hydrogen or alkyl,Z represents a branched or straight-chain alkylene group andR.sup.5 represents alkyl,process for their preparation and their use as plant protecting agent, particularly as herbicides and fungicides.
    Type: Grant
    Filed: May 3, 1985
    Date of Patent: September 30, 1986
    Assignee: Bayer Aktiengesellschaft
    Inventors: Michael Schwamborn, Engelbert Kuhle, Erich Klauke, Ludwig Eue, Robert R. Schmidt, Hans-Joachim Santel, Gerd Hanssler
  • Patent number: 4602931
    Abstract: Chlorinated phosphorylmethylcarbonylpyrazoles of the formula ##STR1## in which R.sup.1 is an optionally substituted alkyl, aryl, aralkyl, alkoxy or aralkoxy radical,R.sup.2 is an optionally substituted alkoxy or aralkoxy radical, orR.sup.1 and R.sup.2 together are an alkanedioxy radical,X is hydrogen or chlorine,R.sup.3 and R.sup.5 each independently is hydrogen or alkyl, andR.sup.4 is hydrogen, halogen or alkyl,which possess herbicidal and fungicidal activity.
    Type: Grant
    Filed: March 5, 1985
    Date of Patent: July 29, 1986
    Assignee: Bayer Aktiengesellschaft
    Inventors: Theodor Pfister, Ludwig Eue, Hans-Joachim Santel, Robert R. Schmidt, Gerd Hanssler
  • Patent number: 4602938
    Abstract: Guanidine derivatives of the formula ##STR1## in which R.sup.2 represents a six-membered aromatic heterocyclic structure which contains at least one nitrogen atom and is substituted by halogen, amino, cyano or formyl and/or by optionally substituted radicals from the series comprising alkyl, alkoxy, alkylamino, dialkylamino, alkylcarbonyl and alkoxycarbonyl, and/or is optionally fused,R.sup.3 represents hydrogen, an optionally substituted radical from the series comprising alkyl, cycloalkyl, alkenyl, alkinyl and aralkyl, or the radical --S(O).sub.n --R.sup.6,the other radicals can have varied meanings, andacid adducts and salts thereof,which possess herbicidal and plant growth regulating activity.
    Type: Grant
    Filed: February 9, 1984
    Date of Patent: July 29, 1986
    Assignee: Bayer Aktiengesellschaft
    Inventors: Koichi Moriya, Theodor Pfister, Hans-Jochem Riebel, Ludwig Eue, Robert R. Schmidt, Klaus Lurssen