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: 4080193
    Abstract: New (trifluoromethylphenoxy)-phenylureas of the formula: ##STR1## wherein R is hydrogen or methyl andn and m, which may be identical or different, are each 0, 1, 2, 3 or 4, but only n and m may be 0 if the trifluoromethyl group is in the 3-positionAnd have strong herbicidal properties.
    Type: Grant
    Filed: March 5, 1975
    Date of Patent: March 21, 1978
    Assignee: Bayer Aktiengesellschaft
    Inventors: Lothar Rohe, Jurgen Schramm, Ludwig Eue, Robert Rudolf Schmidt
  • Patent number: 4075235
    Abstract: New N-aryl-urea compounds of the formula ##STR1## in which X.sub.1 and X.sub.2 are difluorochloromethylmercapto, chlorine or hydrogen, with either X.sub.1 or X.sub.2 representing difluorochloromethylmercapto;Are outstandingly effective as selective herbicides.
    Type: Grant
    Filed: July 5, 1973
    Date of Patent: February 21, 1978
    Assignee: Bayer Aktiengesellschaft
    Inventors: Engelbert Kuhle, Erich Klauke, Ludwig Eue
  • Patent number: 4073636
    Abstract: New azolylamidines of the formula ##STR1## WHEREIN N IS AN INTEGER FROM 0 TO 5,R.sup.1 is halogen, alkyl, alkoxy, alkylthio, haloalkoxy, haloalkylthio, halophenoxy or haloalkyl;R.sup.2 and R.sup.3, independently of one another, are each hydrogen, alkyl, alkoxyalkyl, cycloalkyl, alkoxy or alkoxycarbonylalkyl, of, preferably not more than 7 carbon atoms; or taken together, represent a lower alkylene bridge which can be interrupted by one or more hetero-atoms; andAz represents an azolyl radical selected from imidazol-1-yl, pyrrol-1-yl, pyrazol-1-yl,1,2,4-triazol-1-yl, 1,2,4-triazol-4-yl or 1,2,3-triazol-1-yl,And their salts are outstandingly effective herbicides showing particularly selective action.
    Type: Grant
    Filed: August 26, 1975
    Date of Patent: February 14, 1978
    Assignee: Bayer Aktiengesellschaft
    Inventors: Erik Regel, Ludwig Eue, Robert R. Schmidt
  • Patent number: 4072500
    Abstract: Halogenated 4-trifluoromethyl-diphenyl-ether compounds of the formula ##STR1## in which R.sup.1 is alkythio of from 1 to 4 carbon atoms, alkylsulfinyl or alkylsulfonyl of from 1 to 4 carbon atoms, or aminothiocarbonyl;R.sup.2 is hydrogen or methyl;X.sup.1 is halogen; andX.sup.2 is hydrogen or halogen;Are outstandingly effective as herbicides, particularly as selective herbicides.
    Type: Grant
    Filed: February 27, 1976
    Date of Patent: February 7, 1978
    Assignee: Bayer Aktiengesellschaft
    Inventors: Lothar Rohe, Jurgen Schramm, Erich Klauke, Ludwig Eue, Robert R. Schmidt
  • Patent number: 4067726
    Abstract: New 3-amino-phenylacetic acid compounds of the formula: ##STR1## wherein X is hydrocarbyloxy or hydrocarbylthio optionally substituted by halogen, alkoxy, aryloxy, alkylmercapto or arylmercapto, or X is mono- or disubstituted amino, or represent a 5- to 8-membered heterocyclic ring;Y is oxygen or sulfur;Z is optionally substituted hydrocarbyl or hydrocarbyloxy or -thio, or Z can represent mono- or disubstituted amino, or a closed heterocyclic ring;Possess outstanding herbicidal activity, both pre-emergence and post-emergence.
    Type: Grant
    Filed: April 30, 1975
    Date of Patent: January 10, 1978
    Assignee: Bayer Aktiengesellschaft
    Inventors: Klaus Sasse, Ludwig Eue
  • Patent number: 4067724
    Abstract: N-(1,2,4-Triazin-5-on-4-yl)-glycine compounds of the formula ##STR1## in which R.sup.1 is alkyl, alkoxy, alkylthio or alkylamino,R.sup.2 is alkyl, cycloalkyl, phenyl or substituted phenyl,R.sup.3 is hydrogen, alkyl, alkenyl or alkynyl andR.sup.4 is hydroxyl, alkoxy, alkythio, amino, alkylamino or dialkylamino,Possess outstanding selective herbicidal properties.
    Type: Grant
    Filed: August 25, 1976
    Date of Patent: January 10, 1978
    Assignee: Bayer Aktiengesellschaft
    Inventors: Wilfried Draber, Karlfried Dickore, Helmut Timmler, Ludwig Eue, Robert Rudolf Schmidt
  • Patent number: 4065288
    Abstract: Certain novel 2-chloroethane-(thiono)-phosphonic acid amido compounds of the formula ##STR1## in which X and Y, which may be the same or different, are oxygen or sulfur,R is hydrogen or alkyl, andR' is alkyl, or, if R is hydrogen or Y is sulfur,R' may additionally be phenyl which may be substituted by hydroxy, (lower) alkyl, halogen or nitroPossess marked plant growth regulant properties, e.g., selective herbicidal activity, growth promoting and growth altering properties.
    Type: Grant
    Filed: October 28, 1975
    Date of Patent: December 27, 1977
    Assignee: Bayer Aktiengesellschaft
    Inventors: Wolfgang Hofer, Reinhard Schliebs, Robert Schmidt, Ludwig Eue
  • Patent number: 4065292
    Abstract: Herbicidal methods employing, as an active herbicidal ingredient, N-(3,4-dichlorophenyl)-N',N'-dimethylthiourea of the formula ##STR1## ALONE OR IN ADMIXTURE WITH A DILUENT OR CARRIER.
    Type: Grant
    Filed: September 1, 1976
    Date of Patent: December 27, 1977
    Assignee: Bayer Aktiengesellschaft
    Inventors: Christa Fest, Edgar Enders, Ludwig Eue, Robert R. Schmidt
  • Patent number: 4058392
    Abstract: New N,N'-tetrasubstituted ureas of the formula ##STR1## in which X is oxygen, sulfur or an NR.sup.5 -- or SO.sub.2 --group,R is alkyl or an optionally substituted aryl group, or an optionally substituted aralkyl group,R.sup.1 and R.sup.4 are individually optionally substituted hydrocarbyl which may contain oxygen or sulfur,R.sup.2 is optionally substituted alkyl, optionally substituted alkenyl, optionally substituted alkoxy or cycloalkyl,R.sup.3 is alkyl, which may optionally be substituted by halogen, or is alkenyl, orR.sup.2 and R.sup.3 conjointly form an alkylene bridge, which can be interrupted by a hetero-atom, such as O, or N-alkyl group and which forms a heterocyclic ring with the adjoining nitrogen atom,R.sup.1 and R.sup.
    Type: Grant
    Filed: September 10, 1973
    Date of Patent: November 15, 1977
    Assignee: Bayer Aktiengesellschaft
    Inventors: Rudolf Thomas, Wolfgang Kramer, Ludwig Eue, Carl Metzger, Gerhard Jager
  • Patent number: 4058525
    Abstract: The invention provides new 4-amino-5-thione-1,2,4-triazine (4,5-H) of the formula ##STR1## in which R is alkyl of up to 8 carbon atoms, cycloalkyl of from 5 to 7 carbon atoms, cycloalkenyl of from 5 to 7 carbon atoms, phenyl, which can optionally be mono-substituted or polysubstituted by halogen, or alkoxyalkyl of from 1 to 4 carbon atoms per alkyl and alkoxy moiety, andR' is hydrogen or alkyl of up to 4 carbon atoms;Which are outstandingly effective as herbicides, particularly as selective herbicides.
    Type: Grant
    Filed: March 26, 1976
    Date of Patent: November 15, 1977
    Assignee: Bayer Aktiengesellschaft
    Inventors: Wolfgang Hofer, Fritz Maurer, Hans-Jochem Riebel, Lothar Rohe, Ludwig Eue, Robert R. Schmidt
  • Patent number: 4057417
    Abstract: New 6-sec.-butyl-1,2,4-triazin-5(4H)-one compounds of the formula: ##STR1## wherein R.sup.1 and R.sup.2 are each hydrogen, orR.sup.1 and R.sup.2 together represent alkylidene or substituted alkylidene of the formula: ##STR2## wherein R.sup.3 is hydrogen, alkyl or cycloalkyl, and R.sup.4 is alkyl, alkenyl, cycloalkyl, cycloalkenyl, aralkyl, aralkenyl, optionally substituted aryl or an optionally substituted heterocyclic radical, orR.sup.3 and R.sup.4 together with the carbon atom shown from a 5-membered to 7-membered ring, andY is sulfur, NH or NCH.sub.3 ;are outstandingly active herbicides.
    Type: Grant
    Filed: March 26, 1975
    Date of Patent: November 8, 1977
    Assignee: Bayer Aktiengesellschaft
    Inventors: Karlfried Dickore, Ludwig Eue, Robert Rudolf Schmidt
  • Patent number: 4057418
    Abstract: Novel benzoic acid compounds of the formula ##STR1## in which R is alkyl or substituted alkyl of up to 6 carbon atoms, where the substituents are selected from halogen, orR is aryl which is optionally substituted by halogen and/or by alkyl of up to 4 carbon atoms,R.sup.1 is alkyl, alkoxy or alkylmercapto, of in each case up to 4 carbon atoms, or halogen,R.sup.2 is hydrogen,R.sup.3 is hydrogen or halogen,R.sup.4 is hydroxyl, alkoxy of 1 to 6 carbon atoms or an amino group which is optionally substituted by one or two alkyl radicals each of up to 6 carbon atoms, andR.sup.5 is halogen or alkyl of up to 4 carbon atoms; are outstandingly effective and selective as herbicides.
    Type: Grant
    Filed: January 19, 1976
    Date of Patent: November 8, 1977
    Assignee: Bayer Aktiengesellschaft
    Inventors: Wolfgang Hofer, Fritz Maurer, Hans-Jochem Riebel, Rolf Schroder, Ludwig Eue
  • Patent number: 4057419
    Abstract: Novel 2,4-bis-(trifluoromethyl)-6-nitrophenol compounds of the formula ##STR1## in which X is hydrogen; M; HNR.spsp.+.sup.1 R.sup.2 R.sup.3 ; --COR.sup.4 ; --COOR.sup.5 ; N,N-dimethylaminocarbonyl; --SO.sub.2 R.sup.6 or --CO--NH--R.sup.7 ;M is an equivalent of an alkali metal or alkaline earth metal,R.sup.1, r.sup.2 and R.sup.3 (individually) are hydrogen, alkyl, alkoxyalkyl, alkenyl, hydroxyalkyl, cycloalkyl, phenyalkyl, phenyl or substituted phenyl, R.sup.4 and R.sup.5 individually are alkyl, substituted alkyl, alkenyl, phenyl or substituted phenyl,R.sup.6 is alkyl, substituted alkyl, phenyl, substituted phenyl or dimethylamino, andR.sup.7 is alkyl, alkenyl, cycloalkyl, phenyl or substituted phenyl;Are outstandingly effective selective herbicides.
    Type: Grant
    Filed: October 23, 1975
    Date of Patent: November 8, 1977
    Assignee: Bayer Aktiengesellschaft
    Inventors: Klaus Wagner, Ludwig Eue, Robert R. Schmidt, Ernst Roos
  • Patent number: 4056527
    Abstract: New tetrahydro-1,3,5-triazine-2,6-dione compounds of the formula ##STR1## in which R.sup.1 is optionally substituted aliphatic or aromatic hydrocarbyl,R.sup.2 is hydrogen, alkyl, cycloalkyl, aralkyl, aryl, hydroxy, alkoxy, acyloxy, or --NR.sup.4 R.sup.5,R.sup.4 and R.sup.5 are individually hydrogen, alkyl or acyl, optionally substituted with nitrile, hydroxyl and/or halogen, orR.sup.4 and R.sup.5 together represent alkylidene, andR.sup.3 is hydrogen, alkyl, halogenoalkyl, halogen, aryloxy or an --NR.sup.6 R.sup.7 radical wherein R.sup.6 and R.sup.7 individually are selected from hydrogen, alkyl, cycloalkyl, aralkyl, aryl, hydroxyl, amino or alkoxy and R.sup.6 and R.sup.7 together with the nitrogen atom, represent a heterocyclic radical;R.sup.3, with the proviso that R.sup.2 is other than hydrogen, can also be alkoxy or alkylmercapto.
    Type: Grant
    Filed: October 18, 1973
    Date of Patent: November 1, 1977
    Assignee: Bayer Aktiengesellschaft
    Inventors: Hans Georg Schlee, Klaus Sasse, Ludwig Eue
  • Patent number: 4049670
    Abstract: 1,3,4-Thiadiazol-5-yl-ureas, i.e. N-[2-(alkyl, alkylmercapto, alkenylmercapto, alkynylmercapto, chloro-substituted benzylmercapto, carboxy-alkylmercapto, aminocarbonyl-alkylmercapto, chlorophenyl-aminocarbonyl-alkylmercapto, alkylsulfonyl, benzylsulfonyl and alkoxy)-1,3,4-thiadiazol-5-yl]-N-alkyl-[N'-mono- and N',N'-di- alkyl]-ureas, which possess herbicidal properties, and which may be produced by conventional methods.
    Type: Grant
    Filed: May 19, 1975
    Date of Patent: September 20, 1977
    Assignee: Bayer Aktiengesellschaft
    Inventors: Carl Metzger, Ludwig Eue, Helmuth Hack
  • Patent number: 4047929
    Abstract: Herbicidal compositions containing (1) 3-methyl-4-amino-6-phenyl-1,2,4-triazin-5-one of the formula ##STR1## and (2) a 4-phenoxy-phenoxy-alkanecarboxylic acid derivative of the general formula ##STR2## wherein R and R.sup.1 may be hydrogen or halogenn and n.sup.1 are integers from 1 to 3R.sup.2 is hydrogen or alkylR.sup.3 is hydrogen or alkyl or a cationDisplay outstanding synergistic effects when applied as herbicides.
    Type: Grant
    Filed: July 21, 1976
    Date of Patent: September 13, 1977
    Assignee: Bayer Aktiengesellschaft
    Inventors: Robert R. Schmidt, Ludwig Eue, Wilfried Draber
  • Patent number: 4039315
    Abstract: Novel N-(Difluoromethylmercaptophenyl) urea compounds of the formula ##STR1## in which X.sub.1 and X.sub.2 individually are difluorochloromethylmercapto, chlorine or hydrogen, provided that at least one of X.sub.1 or X.sub.2 is difluorochloromethylmercapto;R.sub.1 is hydrogen, alkyl of from 1 to 4 carbon atoms, or alkenyl of from 2 to 4 carbon atoms; andR.sub.2 is alkyl of from 1 to 4 carbon atoms or alkenyl of from 2 to 4 carbon atoms;Are outstandingly effective as herbicides, particularly as selective herbicides.
    Type: Grant
    Filed: August 22, 1975
    Date of Patent: August 2, 1977
    Assignee: Bayer Aktiengesellschaft
    Inventors: Erich Klauke, Engelbert Kuhle, Ludwig Eue
  • Patent number: 4036632
    Abstract: 3-[Hydrogen-, (unsubstituted and halo, amino, alkyl-amino, nitro, alkyl, alkoxy, alkylmercapto, aryloxy and/or haloarylmercapto, -substituted) aliphatic-, cycloaliphatic-, araliphatic-, aryl-, or N-heterocyclic- or O-alkanoyl-, -substituted oxy, mercapto or amino]- 4-[amino; mono and di (unsubstituted and cyano, hydroxy and/or halo, -substituted) alkyl- and/or alkanoyl-, -amino; N- (unsubstituted and cyclo- alkyl, aryl, haloaryl, alkaryl, alkoxy aryl, nitroaryl, halo-nitro-aryl, aryl-alkenyl, heterocyclic and/or nitro-heterocyclic- -substituted) alkylidene-amino or cycloalkylidene-amino; or N-heterocyclic]-6-[(unsubstituted and halo, nitro, carbo lower alkoxy, alkyl, alkoxy, aryloxy, alkylmercapto, arylmercapto and/or aralkylmercapto, -substituted) aliphatic, cycloaliphatic, araliphatic, aryl, heterocyclic or heterocyclicalkyl]-1,2,4-triazine-5-ones, which possess herbicidal properties, and which may be produced by conventional methods; herbicidal compositions containing such compounds; and methods of using s
    Type: Grant
    Filed: January 19, 1976
    Date of Patent: July 19, 1977
    Assignee: Bayer Aktiengesellschaft
    Inventors: Kurt Westphal, Werner Meiser, Ludwig Eue, Helmuth Hack
  • Patent number: 4023958
    Abstract: Halogenated 4-trifluoromethyl-diphenyl-ether compounds of the formula ##STR1## in which R.sup.1 is alkylthio of from 1 to 4 carbon atoms, alkylsulfinyl or alkylsulfonyl of from 1 to 4 carbon atoms, or aminothiocarbonyl;R.sup.2 is hydrogen or methyl;X.sup.1 is halogen; andX.sup.2 is hydrogen or halogen;Are outstandingly effective as herbicides, particularly as selective herbicides.
    Type: Grant
    Filed: February 27, 1976
    Date of Patent: May 17, 1977
    Assignee: Bayer Aktiengesellschaft
    Inventors: Lothar Rohe, Jurgen Schramm, Erich Klauke, Ludwig Eue, Robert Rudolf Schmidt
  • Patent number: 4017300
    Abstract: Halogenated 4-trifluoromethyl-diphenyl-ether compounds of the formula ##STR1## in which R.sup.1 is alkylthio of from 1 to 4 carbon atoms, alkylsulfinyl or alkylsulfonyl of from 1 to 4 carbon atoms, or aminothiocarbonyl;R.sup.2 is hydrogen or methyl;X.sup.1 is halogen; andX.sup.2 is hydrogen or halogen;Are outstandingly effective as herbicides, particularly as selective herbicides.
    Type: Grant
    Filed: February 27, 1976
    Date of Patent: April 12, 1977
    Assignee: Bayer Aktiengesellschaft
    Inventors: Lothar Rohe, Jurgen Schramm, Erich Klauke, Ludwig Eue, Robert Rudolf Schmidt