Abstract: In a process for the preparation of a diphenyl ether substituted in the 4,4'-position and/or the 2,2'-position relative to the ether oxygen atom by reaction of a reactive benzene compound substituted in the 1-position and the 2- or 4-position with a salt of nitrous acid, the improvement in that the reaction is carried out in the presence of a quaternary onium salt in water.

Abstract: A superior antimicrobial composition consists of an aqueous solution of 65 to 75 parts by weight of at least one propanol and 0.1 to 1 part by weight of a dichlorobenzyl alcohol. The solution can be utilized in the preparation of microbicidal formulations for topical application.

Abstract: O-Alkyl-O-trifluoromethylsulphinylphenyl-thiono (thiol)-phosphoric acid esters of the formula ##STR1## wherein R and R.sup.1 each independently is alkyl,R.sup.2 is hydrogen, halogen or alkyl, andX is oxygen or sulphur,Which possess arthropodicidal and nematicidal properties.

Abstract: Combating fungi with dicarboxylic acid mono-aryl-hydrazides of the formula ##STR1## in which R.sup.1 and R.sup.2 each independently is hydrogen, halogen, C.sub.1 -C.sub.4 alkyl, C.sub.1 -C.sub.4 alkoxy, C.sub.1 -C.sub.4 alkylmercapto, trihalogenomethyl, trihalogenomethoxy, trihalogenomethylmercapto or nitro,X is an alkylene, alkenylene, cycloalkylene, cycloalkenylene, cycloalkadienylene or phenylene radical, andM is hydrogen or one equivalent of a metal, or a salt thereof.

Abstract: Process for the preparation of triazines containing a mixture of chlorine and fluorine substituents, characterized in that cyanuric chloride is heated with cyanuric fluoride to temperatures from 30.degree.-300.degree. C. in the presence of suitable catalysts.

Abstract: A process for preparing an m-bromo-benzotrifluoride by brominating an unsubstituted, halo or alkyl substituted benzotrichloride in the presence of a catalyst and thereafter fluorinating the brominated product at elevated temperature and pressure. Also disclosed are new m-bromo-benzotrifluorides including 4-fluoro-3-bromo-benzotrifluoride and 4-methyl-3-bromobenzotrifluoride.

Abstract: 1-Phenyl-1,6-dihydropyridaz-6-on-3-yl-(thiono)-phosphoric(phosphonic) acid esters of the formula ##STR1## in which R is alkyl,R.sup.1 is alkyl or alkoxy,R.sup.2 is halogenoalkyl, andX and Y each independently is oxygen or sulphur,Which possess arthropodicidal properties.

Abstract: Novel heterocyclic diisocyanates are prepared by reacting a urea diisocyanate of the formula ##STR1## IN WHICH B is a divalent organic radical and n is an integer of 1 to 3 with a compound having the formulaHal--y--Halin which y is --C--C--; --C--S--; --C--N--C--; --S--N--C. The novel heterocyclic diisocyanates are useful in making polyurethanes and polyurethane-ureas having improved chemical and temperature resistance.

Abstract: 1-(Substituted-phenylcarbamoyl)-3-halophenyl-2-pyrazolines of the forumla ##STR1## in which R represents hydrogen or alkyl,R.sup.1 represents hydrogen or halogenophenyl,R.sup.2 represents hydrogen, halogenoalkoxy or halogenoalkylthio,R.sup.3 represents hydrogen, halogen, halogenoalkoxy or halogenoalkylthio andR.sup.4 represents halogen,With the proviso that one of the radicals R.sup.2 and R.sup.3 must represent halogenoalkoxy or halogenoalkylthio, which possess arthropodicidal properties.

Abstract: 1-[(Haloalkyl-phenyl)-carbamoyl]-3-(4-halophenyl)-2-pyrazolines of the formula ##STR1## in which R is halogen,R.sup.1 is hydrogen or alkyl,R.sup.2 is hydrogen or halogen, andR.sup.3 is halogenoalkylWhich possess arthropodicidal properties.

Abstract: O-Alkyl-S-alkyl-O-(4-trifluoromethylthiophenyl)-(thiono)-thiol-phosphoric acid esters of the formula ##STR1## in which R and R.sup.1 each independently is alkyl,R.sup.2 is hydrogen or alkyl, andX is oxygen or sulphur,Which possess insecticidal, acaricidal and nematicidal properties.

Abstract: N-phenyl-N'-benzoyl-ureas of the formula ##STR1## in which R represents halogenoalkyl with 1 to 4 carbon atoms,R.sup.1 represents hydrogen or halogen,R.sup.2 represents halogen, nitro, alkyl with 1 to 3 carbon atoms or alkoxy with 1 to 3 carbon atoms,X represents an oxygen atom or sulfur atom, andn denotes 0, 1, 2, 3, 4 or 5;Which possess arthropodicidal properties.

Abstract: 4-Nitro-4'-[N-(N'-benzoyl)-ureido]-diphenyl ethers of the general formula ##STR1## in which R is chlorine, fluorine or methyl,R' is hydrogen, chlorine or fluorine, andR" and R'" are identical and are each hydrogen or chlorine, but if R is chlorine and R' is hydrogen, R" and R'" can only be hydrogen,Which possess insecticidal properties.

Abstract: Reactive dyestuffs are disclosed having the formula ##STR1## in which D is the radical of an organic nonanthraquinoid dyestuff; R is hydrogen or a lower alkyl; R.sub.1 is amino or substrated amino with substituents attached by a single bond, optionally etherified hydroxy, optionally etherified mercapto or an optionally substituted hydrocarbon radical; Q is an alkylene, aralkylene, arylene, --CO-- or --SO-- which is directly linked to a carbon atom of the ring of the dyestuff D; n is the number 0 or 1 and F is a fluoro substituent. The group --N(R) is directly linked to a carbon atom of the triazine ring and on the other side, the group --N(R) is linked to a carbon atom of the ring of the dyestuff D either directly (if n = 0) or (if n = 1) via one of the bridge members mentioned above. These dyestuffs are primarily suitable for dyeing of textile materials containing hydroxyl or nitrogen such as natural and regenerated cellulose, wood silk, polyamide and polyurethane.

Abstract: 4-Novel hydroxyanthrones of the formula ##STR1## wherein R.sup.11 and R.sup.17 are as set forth in the specification. AND A PROCESS FOR THE PREPARATION OF 4-HYDROXYANTHRONES WHEREIN (2-HALOGENO-METHYL)-PHENYL HALOFORMATES OF THE FORMULA ##STR2## wherein R.sup.5 -R.sup.7 are as set forth in the specification are reacted, with an aromatic carbocyclic compound of the formula ##STR3## wherein R.sup.1 to R.sup.4 are as set forth in the specification in the presence of a Friedel-Crafts catalyst, optionally in a solvent, at a temperature in the range of from 0.degree. to 300.degree. C.

Abstract: Halogenated 4-trifluoromethyl-4'-nitro-diphenyl-ether compounds of the formula ##STR1## in which R is halogen or methylthio, andX is hydrogen or chlorine,Are outstandingly effective as herbicides, particularly as selective herbicides.

Abstract: A process for the preparation of a trichloromethyl-trifluoromethyl-benzene of the formula ##STR1## wherein R.sup.1 and R.sup.2 are identical or different and represent hydrogen, fluorine or chlorine,By contacting at least one molecule of the formula ##STR2## wherein R.sup.1 and R.sup.2 are as previously identified, m and n are independently 0 to 3With another molecule of the formula ##STR3## wherein M AND N ARE INDEPENDENTLY 0 TO 3In the presence of a halogen transfer catalyst, optionally in the presence of a promoter.

Abstract: 4-(3-Trifluoromethylphenoxy)-phenylurea compounds of the formula ##STR1## wherein R is hydrogen or methyl,Exhibit powerful herbicidal properties.

Abstract: N-(Substituted phenyl)-N'-benzoyl ureas of the formula ##STR1## in which R is chlorine or fluorine,R' is chlorine, fluorine or hydrogen, andR" is fluorine, chlorine or bromine.Which possess insecticidal properties.

Abstract: A process for the preparation of a trichloromethyl-trifluoromethylbenzene of the formula ##STR1## wherein R.sup.1 and R.sup.2 are independently selected from the group consisting of hydrogen, fluorine, chlorine and bromine which comprises contacting a bis-(trichloromethyl)-benzene of the formula ##STR2## wherein R.sup.1 and R.sup.2 have the previously assigned significance with less than 6 mols of anhydrous hydrogen fluoride in the presence of a halogen transfer catalyst.