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).
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Patent number: 5712226Abstract: 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: GrantFiled: June 6, 1995Date of Patent: January 27, 1998Assignee: Hoechst AktiengesellschaftInventors: Hans Jurgen Nestler, Gerhard Horlein, Reinhard Handte, Hermann Bieringer, Friedhelm Schwerdtle, Peter Langeluddeke, Peter Frisch
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Patent number: 5525578Abstract: 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: GrantFiled: November 28, 1994Date of Patent: June 11, 1996Assignee: Hoechst AktiengesellschaftInventors: Peter Langeluddeke, Jean Kocur, Walter Dannigkeit
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Patent number: 5491125Abstract: 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: GrantFiled: December 1, 1992Date of Patent: February 13, 1996Assignee: Hoechst AktiengesellschaftInventors: Konrad Albrecht, Jean Kocur, Peter Langeluddeke
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Patent number: 5258358Abstract: 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: GrantFiled: April 24, 1992Date of Patent: November 2, 1993Assignee: Hoechst AktiengesellschaftInventors: Jean Kocur, Thomas Maier, Peter Langeluddeke, Martin Hess
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Patent number: 5254527Abstract: 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: GrantFiled: November 7, 1991Date of Patent: October 19, 1993Assignee: Hoechst AktiengesellschaftInventors: Hans J. Nestler, Gerhard Horlein, Reinhard Handte, Hermann Bieringer, Friedhelm Schwerdtle, Peter Langeluddeke, Peter Frisch
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Patent number: 4531969Abstract: 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: GrantFiled: December 20, 1978Date of Patent: July 30, 1985Assignee: Hoechst AktiengesellschaftInventors: Hans J. Nestler, Gerhard Horlein, Reinhard Handte, Hermann Bieringer, Friedhelm Schwerdtle, Peter Langeluddeke
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Patent number: 4493731Abstract: 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: GrantFiled: September 16, 1980Date of Patent: January 15, 1985Assignee: Hoechst AktiengesellschaftInventors: Gerhard Horlein, Hubert Schonowsky, Hermann Bieringer, Peter Langeluddeke
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Patent number: 4400196Abstract: 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: GrantFiled: September 18, 1981Date of Patent: August 23, 1983Assignee: Hoechst AktiengesellschaftInventors: Konrad Albrecht, Peter Langeluddeke
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Patent number: 4370489Abstract: 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: GrantFiled: January 14, 1977Date of Patent: January 25, 1983Assignee: Hoechst AktiengesellschaftInventors: Heinz Boesenberg, Gerhard Horlein, Helmut Kocher, Peter Langeluddeke
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Patent number: 4332960Abstract: 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: GrantFiled: July 8, 1975Date of Patent: June 1, 1982Assignee: Hoechst AktiengesellschaftInventors: Jurgen Trosken, Gerhard Horlein, Ernst-Friedrich Schulze, Peter Langeluddeke
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Patent number: 4278461Abstract: 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: GrantFiled: September 13, 1978Date of Patent: July 14, 1981Assignee: Hoechst AktiengesellschaftInventors: Gerhard Salbeck, Hubert Schonowsky, Gerhard Horlein, Peter Langeluddeke, Helmut Kocher
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Patent number: 4227009Abstract: 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: GrantFiled: May 24, 1977Date of Patent: October 7, 1980Assignee: Hoechst AktiengesellschaftInventors: Manfred Koch, Reinhard Handte, Gerhard Horlein, Heinrich Leditschke, Helmut Kocher, Peter Langeluddeke
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Patent number: 4182624Abstract: 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: GrantFiled: July 17, 1978Date of Patent: January 8, 1980Assignee: Hoechst AktiengesellschaftInventors: Alfons Soder, Hermann Bieringer, Helmut Burstell, Peter Langeluddeke, Burkhard Sachse
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Patent number: 4175947Abstract: 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: GrantFiled: April 21, 1977Date of Patent: November 27, 1979Assignee: Hoechst AktiengesellschaftInventors: Manfred Koch, Reinhard Handte, Gerhard Horlein, Hermann Bieringer, Peter Langeluddeke
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Patent number: 4168963Abstract: 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: GrantFiled: May 16, 1977Date of Patent: September 25, 1979Assignee: Hoechst AktiengesellschaftInventors: Walter Rupp, Manfred Finke, Hermann Bieringer, Peter Langeluddeke, Hans-Jerg Kleiner
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Patent number: 4140774Abstract: 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: GrantFiled: February 2, 1977Date of Patent: February 20, 1979Assignee: Hoechst AktiengesellschaftInventors: Gerhard Salbeck, Hubert Schonowsky, Gerhard Horlein, Hermann Bieringer, Peter Langeluddeke, Ludwig Emmel, Anna Waltersdorfer
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Patent number: 4134753Abstract: 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: GrantFiled: July 18, 1977Date of Patent: January 16, 1979Assignee: Hoechst AktiengesellschaftInventors: Gerhard Horlein, Hubert Schonowsky, Hermann Bieringer, Peter Langeluddeke
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Patent number: 4130413Abstract: 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: GrantFiled: September 8, 1977Date of Patent: December 19, 1978Assignee: Hoechst AktiengesellschaftInventors: Reinhard Handte, Gerhard Horlein, Helmut Kocher, Peter Langeluddeke
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Patent number: 4088474Abstract: 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: GrantFiled: April 8, 1975Date of Patent: May 9, 1978Assignee: Hoechst AktiengesellschaftInventors: Karl Matterstock, Peter Langeluddeke, Ernst-Friedrich Schulze
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Patent number: 4047932Abstract: 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: GrantFiled: June 4, 1975Date of Patent: September 13, 1977Assignee: Hoechst AktiengesellschaftInventors: Konrad Albrecht, Peter Langeluddeke, Hans Schumacher, Friedhelm Schwerdtle