Patents by Inventor Peter Langeluddeke

Peter Langeluddeke 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: 5712226
    Abstract: Opticalls active enantiomers of the formula I ##STR1## where R is a group of the formulae ##STR2## R.sub.1 and R.sub.2, among others, are halogen or CF.sub.3 and Z is a carboxyl, carboxylate, carboxylic acid ester, thioester, carbonamide, carboxylic acid anilide, carbohydrazide or thioamide group, are interesting herbicides the effect of which is considerably superior to that of the optically inactive racemates.
    Type: Grant
    Filed: June 6, 1995
    Date of Patent: January 27, 1998
    Assignee: Hoechst Aktiengesellschaft
    Inventors: Hans Jurgen Nestler, Gerhard Horlein, Reinhard Handte, Hermann Bieringer, Friedhelm Schwerdtle, Peter Langeluddeke, Peter Frisch
  • Patent number: 5525578
    Abstract: The agents according to the invention which containa) herbicides selected from the group of the imidazolinones of the formula (I) and (II) as claimed in claim 1 and, if desired, additionally phosphinothricin or known analogs,b) C.sub.10 -C.sub.18 -fatty alcohol polyglycol ether sulfates as wetting agents andc) customary additives,permit a surprisingly lower application rate of active ingredient compared with herbicidal agents without wetting agent b, while having the same effectiveness.
    Type: Grant
    Filed: November 28, 1994
    Date of Patent: June 11, 1996
    Assignee: Hoechst Aktiengesellschaft
    Inventors: Peter Langeluddeke, Jean Kocur, Walter Dannigkeit
  • Patent number: 5491125
    Abstract: Liquid herbicidal agents which contain a compound of the formula ##STR1## in the form of the racemate or of the L enantiomer, lower alkyl esters thereof or salts thereof with acids or bases (I) in combination with surfactants in the form ofa) alkyldimethyl-, fatty acid amidopropyldimethyl- or fatty acid amido ethyldimethylamine oxides orb) the betaine of coconut alkyldimethylaminoacetic acid or of coconut alkylaminopropionic acid orc) alkanesulfonates and mixtures thereof with fatty alcohol polyglycol ether sulfosuccinic acid monoesters or fatty alcohol polyglycol ether sulfates ord) alkylsulfosuccinic acid monoesters or fatty alcohol polyglycol ether sulfosuccinic acid monoesters and fatty alcohol polyglycol ether sulfosuccinic esters and their mixtures with fatty alcohol polyglycol ether sulfates ore) .alpha.
    Type: Grant
    Filed: December 1, 1992
    Date of Patent: February 13, 1996
    Assignee: Hoechst Aktiengesellschaft
    Inventors: Konrad Albrecht, Jean Kocur, Peter Langeluddeke
  • Patent number: 5258358
    Abstract: The invention relates to liquid herbicidal compositions comprising a compound of the formula ##STR1## and an alkyl polyglycoside or an alkyl polyglycoside and at least one surfactant from the series comprising fatty alcohol polyglycol ether sulfate, alkyldimethylamine oxide, alkyldimethylbenzylammonium chloride and coconut alkyldimethylaminoacetic acid or a salt thereof. The invention furthermore relates to a process for the preparation of these compositions and their use for controlling undesired vegetation.
    Type: Grant
    Filed: April 24, 1992
    Date of Patent: November 2, 1993
    Assignee: Hoechst Aktiengesellschaft
    Inventors: Jean Kocur, Thomas Maier, Peter Langeluddeke, Martin Hess
  • Patent number: 5254527
    Abstract: Optically active enantiomers of the formula I ##STR1## where R is a group of the formulae ##STR2## R.sub.1 and R.sub.2, among others, are halogen or CF.sub.3 and Z is a carboxyl, carboxylate, carboxylic acid ester, thioester, carbonamide, carboxylic acid anilide, carbohydrazide or thioamide group, are interesting herbicides the effect of which is considerably superior to that of the optically inactive racemates.
    Type: Grant
    Filed: November 7, 1991
    Date of Patent: October 19, 1993
    Assignee: Hoechst Aktiengesellschaft
    Inventors: Hans J. Nestler, Gerhard Horlein, Reinhard Handte, Hermann Bieringer, Friedhelm Schwerdtle, Peter Langeluddeke, Peter Frisch
  • Patent number: 4531969
    Abstract: Optically active enantiomers of the formula I ##STR1## where R is a group of the formulae ##STR2## R.sub.1 and R.sub.2, among others, are halogen or CF.sub.3 and Z is a carboxyl, carboxylate, carboxylic acid ester, thioester, carbonamide, carboxylic acid anilide, carbohydrazide or thioamide group, are interesting herbicides the effect of which is considerably superior to that of the optically inactive racemates.
    Type: Grant
    Filed: December 20, 1978
    Date of Patent: July 30, 1985
    Assignee: Hoechst Aktiengesellschaft
    Inventors: Hans J. Nestler, Gerhard Horlein, Reinhard Handte, Hermann Bieringer, Friedhelm Schwerdtle, Peter Langeluddeke
  • Patent number: 4493731
    Abstract: Compounds of the formula ##STR1## exhibit, in the pre-emergence process and in the post-emergence process, a good herbicidal action against a number of dicotyledonous weeds, they are well tolerated in monocotyledonous crops, such as wheat, barley, rice, sorghum and maize, and are also selectively active in some dicotyledonous crops such as soy beans, groundnuts and the like.
    Type: Grant
    Filed: September 16, 1980
    Date of Patent: January 15, 1985
    Assignee: Hoechst Aktiengesellschaft
    Inventors: Gerhard Horlein, Hubert Schonowsky, Hermann Bieringer, Peter Langeluddeke
  • Patent number: 4400196
    Abstract: Herbicidal agents, containing a compound of the formula ##STR1## the lower alkyl ester thereof or the salts thereof with acids or bases as the active ingredient (I) and coconut fatty alkyl-benzyldimethylammoniumchloride (II) or the alkali metal salt or ammonium salt of a (C.sub.12 -C.sub.16) alcohol polyglycol ether sulfate (III) as an additive, exhibit an increased herbicidal activity compared to active ingredient preparations which do not contain the additives (II) or (III), and, in addition, can form stable aqueous solutions.
    Type: Grant
    Filed: September 18, 1981
    Date of Patent: August 23, 1983
    Assignee: Hoechst Aktiengesellschaft
    Inventors: Konrad Albrecht, Peter Langeluddeke
  • Patent number: 4370489
    Abstract: Compounds of the formula ##STR1## in which R represents hydroxyl, (C.sub.1 -C.sub.10)alkoxy, (C.sub.1 -C.sub.6)alkylthio, (C.sub.2 -C.sub.4)alkenyloxy, cyclohexyloxy, cyclopentyloxy, phenoxy or phenylthio both optionally substituted once or twice with halogen, benzyloxy, benzylthio or -O-cat in which "cat" stands for the cation of an inorganic or organic base, have a very good effect on wild oat, barnyard grass, bristle grass and rayegrass in a much lower concentration than known analogous compounds.
    Type: Grant
    Filed: January 14, 1977
    Date of Patent: January 25, 1983
    Assignee: Hoechst Aktiengesellschaft
    Inventors: Heinz Boesenberg, Gerhard Horlein, Helmut Kocher, Peter Langeluddeke
  • Patent number: 4332960
    Abstract: Compounds of the formula ##STR1## where R.sub.1 is H or Hal and R.sub.2 is a variety of functional groups among which is hydroxy, alkoxy and (substituted) amino, are valuable grass herbicides.
    Type: Grant
    Filed: July 8, 1975
    Date of Patent: June 1, 1982
    Assignee: Hoechst Aktiengesellschaft
    Inventors: Jurgen Trosken, Gerhard Horlein, Ernst-Friedrich Schulze, Peter Langeluddeke
  • Patent number: 4278461
    Abstract: Herbicidal agents containing as active ingredient a compound of the formula ##STR1## in which R represents halogen, C.sub.1 -C.sub.4 -alkyl, C.sub.1 -C.sub.2 -alkoxy or C.sub.1 -C.sub.2 -alkylthio, C.sub.1 -C.sub.2 -halogeno-alkyl, NO.sub.2 SO.sub.2 CH.sub.3, SO.sub.2 NH.sub.2, --COOCH.sub.3, CN, with the proviso that R.sub.2 cannot be alkoxy when (R).sub.n is alkyl, R.sub.1 and R.sub.3 represent C.sub.1 -C.sub.6 -alkyl, R.sub.2 represents C.sub.1 -C.sub.6 -alkyl, CH.sub.2 Cl or C.sub.1 -C.sub.6 -alkoxy, X is oxygen or sulfur and n is an integer of from 1 to 3 are especially useful for combatting annual weed grasses in dicotyledonous and even monocotyledonous crop plants.
    Type: Grant
    Filed: September 13, 1978
    Date of Patent: July 14, 1981
    Assignee: Hoechst Aktiengesellschaft
    Inventors: Gerhard Salbeck, Hubert Schonowsky, Gerhard Horlein, Peter Langeluddeke, Helmut Kocher
  • Patent number: 4227009
    Abstract: Phenoxyphenoxy-propionic acid derivatives of the formula ##STR1## exhibit an outstanding herbicidal activity against a wide variety of weed grasses and are well tolerated by dicotyledonous crop plants and various cereals.
    Type: Grant
    Filed: May 24, 1977
    Date of Patent: October 7, 1980
    Assignee: Hoechst Aktiengesellschaft
    Inventors: Manfred Koch, Reinhard Handte, Gerhard Horlein, Heinrich Leditschke, Helmut Kocher, Peter Langeluddeke
  • Patent number: 4182624
    Abstract: Benzhydryl-imidazole derivatives having carboxyl functions in the imidazole ring have valuable properties in plant protection and growth regulation in agriculture and horticulture. They are also effective as antimycotis, fungicides and herbicides and can be used for combating plant-pathogenic bacteria.
    Type: Grant
    Filed: July 17, 1978
    Date of Patent: January 8, 1980
    Assignee: Hoechst Aktiengesellschaft
    Inventors: Alfons Soder, Hermann Bieringer, Helmut Burstell, Peter Langeluddeke, Burkhard Sachse
  • Patent number: 4175947
    Abstract: Phenoxy-phenoxypropionic acid derivatives of the formula ##STR1## wherein R is hydrogen or halogen, and R.sub.1 is substituted alkyl, cyclohexenyl, phenylalkenyl or (substituted) alkinyl, are interesting selective herbicides having a special activity against weed grasses. They are obtained for example by reaction of corresponding phenoxypropionic acid halides with hydroxy compounds of the formula HO--R.sub.1.
    Type: Grant
    Filed: April 21, 1977
    Date of Patent: November 27, 1979
    Assignee: Hoechst Aktiengesellschaft
    Inventors: Manfred Koch, Reinhard Handte, Gerhard Horlein, Hermann Bieringer, Peter Langeluddeke
  • Patent number: 4168963
    Abstract: Herbicidal agents, containing as active ingredient a compound of the formula ##STR1## or their salts with acids, are useful for combatting a great variety of mono- and dicotyledonous weeds. In the formula R.sub.1 is methyl or halomethyl, R.sub.2 is OH, SH, OM or SM (M=equivalent of a base), R.sub.3 is the same as R.sub.2 or an ester, amide or hydrazide group, R.sub.4 and R.sub.5 are preferably hydrogen and X is oxygen or sulfur.
    Type: Grant
    Filed: May 16, 1977
    Date of Patent: September 25, 1979
    Assignee: Hoechst Aktiengesellschaft
    Inventors: Walter Rupp, Manfred Finke, Hermann Bieringer, Peter Langeluddeke, Hans-Jerg Kleiner
  • Patent number: 4140774
    Abstract: Compounds of the formula ##STR1## in which R represents halogen, C.sub.1 -C.sub.6 -alkyl, C.sub.1 -C.sub.3 -haloalkyl, C.sub.1 -C.sub.2 alkoxy, NO.sub.2 or S-CH.sub.3, R.sub.1 represents hydrogen or C.sub.1 -C.sub.6 -alkyl, R.sub.2 represents C.sub.1 -C.sub.6 -alkylamino, C.sub.3 -C.sub.8 -alkenylamino, N,N-di-(C.sub.1 -C.sub.6 -alkylamino), C.sub.5 -C.sub.8 -cycloalkylamino or a saturated N-heterocycle having from 4 to 8 C-atoms altogether of which 1 or 2 may stand in the side chain and in which one CH.sub.2 group of the cycle may be replaced by oxygen or sulfur, R.sub.3 represents C.sub.1 -C.sub.6 -alkyl, X is oxygen or sulfur and n is zero or a whole number in the range of from 1 to 3 exhibit a good herbicidal effect on some economically important weed grasses and dicotyledonous weeds and simultaneously they have excellent insecticidal and acaricidal properties.
    Type: Grant
    Filed: February 2, 1977
    Date of Patent: February 20, 1979
    Assignee: Hoechst Aktiengesellschaft
    Inventors: Gerhard Salbeck, Hubert Schonowsky, Gerhard Horlein, Hermann Bieringer, Peter Langeluddeke, Ludwig Emmel, Anna Waltersdorfer
  • Patent number: 4134753
    Abstract: Compounds of the formula ##STR1## exhibit, in the pre-emergence process and in the post-emergence process, a good herbicidal action against a number of dicotyledonous weeds, they are well tolerated in monocotyledonous crops, such as wheat, barley, rice, sorghum and maize, and are also selectively active in some dicotyledonous crops such as soy beans, groundnuts and the like.
    Type: Grant
    Filed: July 18, 1977
    Date of Patent: January 16, 1979
    Assignee: Hoechst Aktiengesellschaft
    Inventors: Gerhard Horlein, Hubert Schonowsky, Hermann Bieringer, Peter Langeluddeke
  • Patent number: 4130413
    Abstract: Compounds of the formula ##STR1## in which (R).sub.n is hydrogen, halogen, CF.sub.3, NO.sub.2, CN, alkyl, alkoxy or alkylthio,A is O, S, NH, or N-alkyl,R.sub.1 is hydrogen or alkyl andZ is a carboxylic acid, carboxylic ester, thiol ester, carbonamide, carbohydrazide, thioamide, nitrile, hydroxymethyl, acyloxymethyl, carbamoylmethyl, or sulfonyloxymethyl group,Are valuable herbicides for the selective control of weed grasses. The novel compounds are prepared by known methods, for example by reacting halo-benzthiazoles, -benzoxazoles or -benzimidazoles with unilaterally etherified hydroquinones.
    Type: Grant
    Filed: September 8, 1977
    Date of Patent: December 19, 1978
    Assignee: Hoechst Aktiengesellschaft
    Inventors: Reinhard Handte, Gerhard Horlein, Helmut Kocher, Peter Langeluddeke
  • Patent number: 4088474
    Abstract: Compounds of the formula ##STR1## WHEREIN R is halogen, (C.sub.1 -C.sub.4)alkyl, halo-(C.sub.1 -C.sub.4)alkyl, (C.sub.1 -C.sub.4)alkoxy, halo(C.sub.1 -C.sub.4)alkoxy, phenyl, --NO.sub.2, --NH.sub.2 or --CN;R' is (C.sub.1 -C.sub.4)alkyl or halogen;n is an integer of from 1 to 3;n.sub.1 is zero or an integer of from 1 to 3;Y is (C.sub.1 -C.sub.6)alkylene andX is --COOH, --COO--(C.sub.1 -C.sub.8)alkyl, --CONH.sub.2, --CONH--NH.sub.2, --CN or --COO--Cat,"Cat" being the cation of an inorganic or organic base, are useful as selective grass herbicides.
    Type: Grant
    Filed: April 8, 1975
    Date of Patent: May 9, 1978
    Assignee: Hoechst Aktiengesellschaft
    Inventors: Karl Matterstock, Peter Langeluddeke, Ernst-Friedrich Schulze
  • Patent number: 4047932
    Abstract: Compositions containing (I) chlorophenoxy-phenoxy-.alpha.-propionic acid (esters) and (II) 3-methoxy-carbonylaminophenyl-N-(3'-methylphenyl)-carbamate as active ingredients are used as synergistic herbicides against grassy and broad-leaf weeds.
    Type: Grant
    Filed: June 4, 1975
    Date of Patent: September 13, 1977
    Assignee: Hoechst Aktiengesellschaft
    Inventors: Konrad Albrecht, Peter Langeluddeke, Hans Schumacher, Friedhelm Schwerdtle