Patents Examined by Catherine L. Mills
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Patent number: 4932994Abstract: An evaporation inhibitor, having particular use with spray mixtures of agricultural chemicals applied by the low-volume method, in the form of a paraffin-containing aqueous dispersion or a self-emulsifying solution in an organic solvent, and having the following composition:______________________________________ from 15 to 40% by weight of paraffin waxes or a wax mixture containing paraffin waxes having a dropping point of from 35 to 80.degree. C., from 4 to 20% by weight of nonionic and/or anionic emulsifiers, from 35 to 81% by weight of water and/or an organic solvent which is one or more of a hydrocarbon, an ester and a ketone, which have boiling points of from 70 to 280.degree. C., and from 0 to 5.5% by weight of other auxiliaries.Type: GrantFiled: November 14, 1985Date of Patent: June 12, 1990Assignee: Henkel Kommanditgesellschaft auf AktienInventors: Josef Koester, Adolf Asbeck, Holger Tesmann, Margarete Gruenert, Konrad Albrecht, Paul Bittner, Fritz Keim
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Patent number: 4921525Abstract: An agent for defoliating plants, which contains a 1,3,4-thiadiazol-2-ylurea of the formula I ##STR1## where R.sup.1 is hydrogen or methyl, andR.sup.2 is C.sub.1 -C.sub.6 -alkyl, C.sub.3 -C.sub.8 -cycloalkyl, C.sub.2 -C.sub.4 -alkenyl, C.sub.3 -C.sub.6 -alknyl or phenyl which is unsubstituted or substituted by one or 2 chlorine or fluorine atoms, methyl groups, trifluoromethyl groups or methoxy groups, a process for the preparation of the agent, and its use in a method for defoliating plants.Type: GrantFiled: October 14, 1988Date of Patent: May 1, 1990Assignee: BASF AktiengesellschaftInventors: Klaus Grossman, Johann Jung, Guenter Schulz, Hubert Sauter, Peter Hofmeister, Wolfgang Tuerk
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Patent number: 4913728Abstract: Alkane- and monohaloalkane-sulfonanilides substituted in the para position by alkylthio, alkylsulfinyl and alkylsulfonyl groups and additionally substituted by halogen and optionally by trifluoromethyl and agriculturally acceptable salts thereof are useful herbicides.Type: GrantFiled: November 21, 1983Date of Patent: April 3, 1990Assignee: Minnesota Mining and Manufacturing CompanyInventors: Sharon L. Ruffing, James R. Throckmorton
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Patent number: 4911751Abstract: A novel process for selectively controlling weeds in crops of useful plants in the pre-emergence process by the use of herbicidal sulfonylurea derivatives, which process comprises applying the herbicidal active substance in close proximity to and simultaneously with the cultivated-plant seed to the cultivated area.Type: GrantFiled: September 18, 1986Date of Patent: March 27, 1990Assignee: Ciba-Geigy CorporationInventors: Andreas Nyffeler, Reinhold Stauss
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Patent number: 4911750Abstract: A plant growth-inhibiting composition comprising ##STR1## wherein the various radicals are as defined.Type: GrantFiled: February 8, 1984Date of Patent: March 27, 1990Assignee: Bayer AktiengesellschaftInventors: Klaus Lurssen, Graham Holmwood, Wolfgang Kramer, Erik Regel, Wolf Reiser, Rolf Schroder
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Patent number: 4911752Abstract: A method of combating unwanted vegetation which comprises applying to such vegetation or to a locus from which it is desired to exclude such vegetation a herbicidally effective amount of a halogenoalkoxyphenylsulphonylisothioureidoazine of the formula ##STR1## in which R.sup.1 represents halogeno-C.sub.1 -C.sub.4 -alkoxy,R.sup.2 represents hydrogen, halogen, hydroxyl, C.sub.1 -C.sub.4 -alkyl, C.sub.1 -C.sub.4 -halogenoalkyl, C.sub.1 -C.sub.4 -alkoxy, C.sub.1 -C.sub.4 -halogenoalkoxy, C.sub.1 -C.sub.4 -alkylthio, C.sub.1 -C.sub.4 -halogenoalkylthio, amino, C.sub.1 -C.sub.4 -alkylamino or di-(C.sub.1 -C.sub.4 -alkyl)amino,X represents nitrogen or a --CH-- grouping,Y represents nitrogen or a --CR.sup.4 -- grouping,whereinR.sup.4 represents hydrogen, halogen, cyano, C.sub.1 -C.sub.4 -alkyl, formyl, C.sub.1 -C.sub.4 -alkyl-carbonyl or C.sub.1 -C.sub.4 -alkoxy-carbonyl, andZ represents nitrogen or a --CR.sup.5 -- grouping,whereinR.sup.5 represents hydrogen, halogen, hydroxyl, C.sub.1 -C.sub.4 -alkyl, C.sub.1 -C.Type: GrantFiled: March 15, 1988Date of Patent: March 27, 1990Assignee: Bayer AktiengesellschaftInventors: Christa Fest, Klaus-Helmut Muller, Theodor Pfister, Hans-Jochem Riebel, Hans-Joachim Santel, Robert R. Schmidt
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Patent number: 4909831Abstract: Crops such as corn and other gramineous plants are protected from phytotoxic injury by the herbicide, 1-[2,4-dichloro-5-(N-methylsulfonylamino)phyenyl]-3-methyl-4-difluoromethy l-.DELTA..sup.2 -1,2,4-triazolin-5-one, by coating the seeds of the crops, prior to planting, with a nonphytotoxic quantity of 1,8-naphthalic anhydride. The crops are safened against phytotoxic injury when the herbicide is applied pre-emergent, post-emergent or in a pre-plant incorporated manner.Type: GrantFiled: February 6, 1989Date of Patent: March 20, 1990Assignee: FMC CorporationInventors: David W. Keifer, John M. Tymonko
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Patent number: 4906275Abstract: The invention relates to a new composition for defoliation of plants with synergistic activity, containing a mixture of 1-phenyl-3-(1,2,3-thiadiazol-5-yl)urea, a carboxamide or tributyl phosphate and 3-(3,4-dichlorophenyl)-1,1-dimethylurea and its use especially for the defoliation of cotton plants.Type: GrantFiled: December 18, 1987Date of Patent: March 6, 1990Assignee: Schering AktiengesellschaftInventor: Reinhart Rusch
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Patent number: 4902832Abstract: A compound of the formula: ##STR1## wherein R.sub.1 is a hydrogen atom, a fluorine atom or a methyl group and R.sub.2 is as C.sub.1 -C.sub.3 alkyl group, a C.sub.1 -C.sub.5 alkoxy group, a chloro(C.sub.2 -C.sub.4)alkoxy group, a dichloro(C.sub.2 -C.sub.4)alkoxy group, a cyclo(C.sub.3 -C.sub.7)alkoxy group, a phenoxy group, a C.sub.1 -C.sub.5 alkylthio group or a di(C.sub.1 -C.sub.5)alkylamino group, which is useful as a herbicide.Type: GrantFiled: January 10, 1986Date of Patent: February 20, 1990Assignee: Sumitomo Chemical Company, LimitedInventors: Toru Haga, Eiki Nagano, Ryo Yoshida, Shunichi Hashimoto
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Patent number: 4892946Abstract: N-(heterocyclicaminocarbonyl)arylsulfonamides in which the aryl radical is substituted in the 2-position by a carboxy radical, ester, thioester, or amide thereof; e.g. N-[(4,6-dimethylpyrimidin-2-yl)aminocarbonyl]-2-methoxycarbonylbenzenesulf onamide or N-[(4,6-dimethoxy-1,3,5-triazin-2-yl)aminocarbonyl]-2-methoxycarbonylbenze nesulfonamide; are useful for the regulation of plant growth and as pre-emergence and post-emergence herbicides.Type: GrantFiled: November 24, 1980Date of Patent: January 9, 1990Assignee: E. I. Du Pont De Nemours and CompanyInventor: George Levitt
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Patent number: 4892577Abstract: In the preparation of an aqueous herbicidal composition containing a 3-alkylthio-4-amino-5-tert.-butyl 1,2,4-triazin-5-one and a N-aryl-N-alkoxyalkyl haloacetamide, the improvement which comprises dissolving the triazinone in at least twice its weight of the haloacetamide, and adding such solution to water. Advantageously an emulsifier is present and, if desired, prior to addition to water the solution is diluted with a solvent selected from the group consisting of a normally liquid optionally halogenated and/or alkylated aromatic hydrocarbon. This permits simplified preparation by the farmer of the aqueous dispersion he will apply to crops and fields.Type: GrantFiled: November 26, 1985Date of Patent: January 9, 1990Assignee: Mobay CorporationInventor: Joseph Synek
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Patent number: 4891434Abstract: The invention discloses a novel class of organosilane compounds containing 1 to 3 alkenyloxy groups directly bonded to the silicon atom and a 3,4-epoxycyclohexyl-substituted alkyl group bonded to the silicon atom. The compound is prepared by the reaction of 1-vinyl-3,4-epoxycyclohexane and a hydrogen alkenyloxy silane and useful as a coupling agent or an adhesion-improving agent.Type: GrantFiled: November 10, 1987Date of Patent: January 2, 1990Assignee: Shin-Etsu Chemical Co., Ltd.Inventors: Toshio Takago, Masatoshi Arai, Koji Futatsumori
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Patent number: 4888041Abstract: Certain 5-(substituted phenoxy and substituted 2-pyridinyloxy)-3-methylbenzisoxazoles are selective herbicides for use in grain crops. The control of weeds in rice by the post-emergence application of 5-(2-chloro-4-(trifluoromethyl)phenoxy)-3-methylbenzisoxazole is exemplary. The pyridinyloxy substituted compounds are novel.Type: GrantFiled: May 18, 1987Date of Patent: December 19, 1989Assignee: The Dow Chemical CompanyInventors: Lucinda A. Jackson, Sudarshan K. Malhotra
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Patent number: 4886541Abstract: Commercially produced chitosan applied to cereal crop seeds at rates of 60 .mu.g to 1000 .mu.g per gram of seed enhances root development, crown diameter, mature straw strength and crop yield. Dry chitosan, when dissolved in dilute acid and neutralized, is applied directly to cereal crop seed with only minor modification to seed treating machinery and methods. In addition to a clear benefit in cereal crop yield, the chitosan treated seed can be planted early to reduce erosion and it can be planted in regions having soil infested with root rotting organisms and not suffer extensive lodging that would prevent seed recovery by commercial harvesters.Type: GrantFiled: May 25, 1988Date of Patent: December 12, 1989Assignee: Washington State University Research FoundationInventor: Lee A. Hadwiger
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Patent number: 4886543Abstract: Aqueous plant cryoprotectant composition containing between about 0.005 and 25 wt. % tetrahydrofurfuryl alcohol, tetrahydrofurfuryl amine or mixtures thereof and method of increasing the resistance of plant tissue to damage caused by freezing conditions comprising applying to the plant tissue surfaces at ambient non-freezing temperatures an aqueous solution containing an effective amount of tetrahydrofurfuryl alcohol, tetrahydrofurfuryl amine or mixtures thereof.Type: GrantFiled: July 7, 1988Date of Patent: December 12, 1989Assignee: Great Lakes Chemical CorporationInventors: Charles C. Shin, Nicolai A. Favstritsky, Ahmad Dadgar
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Patent number: 4875927Abstract: A process of preparing a herbicidal emulsion comprising 75 grams per liter or more of a salt of a herbicidal bipyridylium diquaternary cation as an active ingredient comprising as a first step agitating an aqueous solution of a herbicidal bipyridylium diquaternary salt with an oil and a first emulsifier having a low HLB value to give a first emulsion comprising droplets of herbicidal bipyridylium diquaternary salt solution dispersed in a continuous oil phase, and as a second step, agitating the first emulsion with water and a second emulsifier having a high HLB value, to give a second emulsion comprising drops of the first emulsion dispersed in a continuous aqueous phase. The emulsions have a lower oral toxicity than conventional aqueous formulations.Type: GrantFiled: January 13, 1988Date of Patent: October 24, 1989Assignee: Imperial Chemical Industries PLCInventor: Tharwat F. Tadros
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Patent number: 4874424Abstract: A method of combating unwanted vegetation which comprises applying to such vegetation or to a locus from which it is desired to exclude such vegetation a herbicidally effective amount of an alkoximinoalkylamide of the formula ##STR1## in which R represents hydrogen or alkyl,R.sup.1 represents hydrogen, halogen, cyano, nitro, alkyl, alkoxy, alkylthio, halogenoalkyl, halogenoalkoxy, halogenoalkylthio, phenyl, phenoxy, formyl, alkoxycarbonyl, alkanoyl or alkoximinoalkyl andR.sup.2 represents halogen, cyano, nitro, alkyl, alkoxy, alkylthio, halogenoalkyl, halogenoalkoxy, halogenoalkylthio, phenyl phenoxy, formyl, alkoxycarbonyl, alkanoyl or alkoximinoalkyl.Type: GrantFiled: April 27, 1988Date of Patent: October 17, 1989Assignee: Bayer AktiengesellschaftInventors: Klaus Jelich, Herbert Gayer, Wolfgang Kramer, Hans-Joachim Santel, Robert R. Schmidt, Harry Strang
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Patent number: 4874421Abstract: The selectivity of aryloxyphenoxypropanoate herbicides, such as methyl 2-(4-((3-chloro-5-(trifluoromethyl)-2-pyridinyl)oxy)phenoxy)propanoate, when used for the control of weeds in grassy crops, such as rice, can be improved by pre-treating the grassy crop seeds or plants with an amount of an aryloxyphenoxypropanoate herbicide sufficient to elevate the acetyl-coenzyme A carboxylase enzyme activity level, but insufficient to cause phytotoxicity.Type: GrantFiled: June 14, 1988Date of Patent: October 17, 1989Assignee: The Dow Chemical CompanyInventors: William A. Kleschick, Jacob Secor, Theodore W. Holmsen
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Patent number: 4871388Abstract: The present invention relates to liquid concentrate compositions of herbicidal imidazolinyl benzoic acid esters and a method for their preparation.Type: GrantFiled: June 15, 1987Date of Patent: October 3, 1989Assignee: American Cyanamid CompanyInventors: Nunzio R. Pasarela, William S. Steller
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Patent number: 4863908Abstract: Mono(2-ammonium-2-hydroxymethyl-1,3-propanediol)(2R-cis)-(3-methyloxiranyl) phosphonate endowed with therapeutic activity as broad-spectrum antibiotic, as well as a method for preparing same from bis(2-ammonium-2-hydroxymethyl-1,3-propanediol)(2R-cis)-(3-methyloxiranyl) phosphonate and a sulphonic acid. Pharmaceutical compositions containing the novel mono(2-ammonium-2-hydroxymethyl-1,3-propanediol)(2R-cis)-(3-methyloxiranyl ) phosphonate are disclosed.Type: GrantFiled: September 15, 1987Date of Patent: September 5, 1989Assignee: Zambon S.p.A.Inventors: Dario Chiarino, Davide Della Bella, Vittorio Ferrari