Abstract: This invention concerns certain substituted 1,3,4-thiadiazol-2-yl-4-hydroxy-1-methyl-2-imidazolidinones having herbicidal activity, their preparation, and the control of weeds therewith.

Abstract: This invention concerns certain substituted diphenyl ethers having herbicidal activity, their preparation, and the control of weeds therewith.

Abstract: A stable, flowable aqueous dispersion of agriculturally acceptable carbamate compound is prepared by wet-milling an aqueous carbamate suspension, said suspension prepared by subsurface injection of molten carbamate into a stirred aqueous salt solution.

Abstract: A process is disclosed for increasing the silica to alkali metal oxide weight ratio of aqueous alkali metal silicate solution by electrodialysis of the alkali metal silicate solution.

Abstract: Disclosed are compounds such as 3-[5-(1,1-dimethylethyl)-3-isoxazolyl]-1-methyl-4-hydroxy-2-imidazolidinon e; their control of weeds such as johnsongrass; the process of making them; and intermediates for making them, the compounds being represented by a Formula I: ##STR1## wherein A is ##STR2## where R is an alkyl of up to six carbon atoms; an alkenyl of up to five carbon atoms; an alkynyl of up to five carbon atoms; a cycloalkyl selected from the group consisting of cyclopropyl, cyclobutyl, cyclopentyl, and cyclohexyl; a haloalkyl of up to six carbon atoms; --R.sup.4 --O--R.sup.5, or --R.sup.4 --S--R.sup.5, where R.sup.4 is an alkylene of up to six carbon atoms and R.sup.5 is an alkyl of up to six carbon atoms; ##STR3## where Z is nitro (NO.sub.2), chloro (Cl), bromo (Br), fluoro (F), or R.sup.5, and n is 0, 1, 2, or 3; R.sup.1 is an alkyl of up to three carbon atoms, or allyl; R.sup.2 is hydroxy (OH), chloro (Cl) or bromo (Br); and R.sup.

Abstract: In the preparation of methylchloroform by vapor phase chlorination of 1,1-dichloroethane, the formation of undesirable chlorohydrocarbon reaction products is suppressed by conducting the vapor phase reaction in the presence of a controlled amount of elemental oxygen.

Abstract: Disclosed are antidotal compounds for use with active thiocarbamate and/or chloroacetanilide herbicides to control weeds without affecting crops such as corn and soybeans. Compositions of the antidote and the active thiocarbamates and/or chloroacetanilides are also disclosed.

Abstract: This invention concerns certain substituted diphenyl ethers having herbicidal activity, their preparation, and the control of weeds therewith.

Abstract: Trichlorophenoxy alkanoic acid including hydrolyzable salts, aliphatic esters and amides thereof said compounds being free of chlorinated dibenzo-p-dioxins are prepared by liquid phase alkaline condensation of 3-chlorophenol or 3,4-dichlorophenol with an alpha halo alkanoic acid, ester or amide followed by liquid phase chlorination of the condensation product.

Abstract: The ultraviolet light transmittance of ethylene glycol containing ultraviolet light absorbing impurities is increased by exposing the ethylene glycol to ultraviolet radiation at a wavelength of at least 220 nanometers from a controllable ultraviolet radiation emission source.

Abstract: This invention relates to herbicidally active diphenyl ether compounds, herbicidal compositions thereof and the control of weeds therewith, said compounds represented by the formula ##STR1## wherein A is: ##STR2## wherein: X is hydrogen or halogen;Y is hydrogen, halogen, cyano, trifluoromethyl, or alkyl containing up to 4 carbon atoms;Z is nitro, halogen, or cyano; andR and R.sup.1 are the same or different and represent hydrogen, halogen, or alkyl containing up to 10 carbon atoms, or R and R.sup.1 may join together to form a benzene ring.

Abstract: Both novel and known S-(substituted-phenyl) N-alkylthiolcarbamates such as 4-fluorophenyl N-methylthiolcarbamate, and S-(substituted-phenyl) N,N-dialkylthiolcarbamates such as 2-chlorophenyl N,N-dimethylthiolcarbamate are disclosed. These are useful to control plant pests such as Phytophthorans infestans (Late Blight of Tomatoes) and Pythium ultimum (Damping Off). Also disclosed are the methods of controlling this plant pest with these compounds.

Abstract: The disclosed compounds, such as 3-[5-[1-(2-chlorophenoxy)ethyl]-1,3,4-thiadiazol-2-yl]-4-hydroxy-1-methyl- 2-imidazolidinone, are useful for preemergence and postemergence control of weeds, such as jimsonweed.

Abstract: Disclosed are compounds such as 3-[5-(1,1-dimethylethyl)-3-isoxazolyl]-1-methyl-4-hydroxy-2-imidazolidinon e; their control of weeds such as johnsongrass; the process of making them; and intermediates for making them, the compounds being represented by a Formula I: ##STR1## wherein A is ##STR2## where R is an alkyl of up to six carbon atoms; an alkenyl of up to five carbon atoms; an alkynyl of up to five carbon atoms; a cycloalkyl selected from the group consisting of cyclopropyl, cyclobutyl, cyclopentyl, and cyclohexyl; a haloalkyl of up to six carbon atoms; --R.sup.4 --O--R.sup.5, or --R.sup.4 --S--R.sup.5, where R.sup.4 is an alkylene of up to six carbon atoms and R.sup.5 is an alkyl of up to six carbon atoms; ##STR3## where Z is nitro (NO.sub.2), chloro (Cl), bromo (Br), fluoro (F), or R.sup.5, and n is 0, 1, 2, or 3; R.sup.1 is an alkyl of up to three carbon atoms, or allyl; R.sup.2 is hydroxy (OH), chloro (Cl) or bromo (Br); and R.sup.

Abstract: The disclosed compounds, such as 3-[5-[1-(3,5-dichlorophenoxy) ethyl]-1,3,4-thiadiazol-2-yl]-4-hydroxy-1-methyl-2-imidazolidinone, are useful for preemergence control of weeds, such as jimsonweed.

Abstract: The disclosed compounds, such as 3-[5-[1-(4-chlorophenoxy)ethyl]-1,3,4-thiadiazol-2-yl]-4-hydroxy-1-methyl- 2-imidazolidinone, are useful for preemergence and postemergence control of weeds, such as jimsonweeds.

Abstract: Disclosed are compounds, for example, methyl N-[5-(2-chloro-4-trifluoromethylphenoxy)-2-nitrobenzoyl]carbamate; the process of making the compounds; and the method of controlling weeds such as yellow foxtail and johnsongrass when growing among crops with the compounds represented by Formula I: ##STR1## wherein X is hydrogen (H), chloro (Cl), or bromo (Br); Z is nitro (NO.sub.2), halogen, or cyano (CN); and R is an alkyl of up to four carbon atoms or ##STR2## where A is halogen, an alkyl of up to three carbon atoms, an alkoxy of up to three carbon atoms, an alkylthio of up to three carbon atoms; cyano (CN), trifluoromethyl (CF.sub.3), nitro (NO.sub.2), or CO.sub.2 R.sup.2, where R.sup.2 is an alkyl of up to four carbon atoms, and n is an integer of 0, 1, 2, or 3.

Abstract: Disclosed are compounds such as 5-(2-chloro-4-trifluoromethylphenoxy)-2-nitroacetophenone oxime-O-methyl ether, and the method of controlling weeds, such as wild oats with the compounds.

Abstract: Disclosed are novel herbicides, such as ethyl N-3,5-dimethyl benzoyl-N-isopropylaminoacetate, as well as their use against weeds.

Abstract: An aqueous alkaline waste stream containing chlorinated hydrocarbons is treated in an electrolytic diaphragm cell both to reduce the organics content of the waste stream as well as to recover chlorine and caustic values.