Abstract: The present invention relates to a process for producing monodisperse anion-exchanger gels with high stability, purity and coarse particle size greater than 800 ?m starting from a monodisperse bead polymer with a swelling index of from 2.5 to 7.5 and more than one subsequent feed procedure without any separation between the polymerization steps and then modifying to give the anion exchanger.

Abstract: Disclosed herein is the polymerization of monodisperse microencapsulated monomer droplets to produce monodisperse non-microencapsulated bead polymers through the addition strong alkalis or strong acids during the polymerization.

Abstract: The present invention relates to a process for producing monodisperse anion-exchanger gels with high stability, purity and coarse particle size greater than 800 &mgr;m starting from a monodisperse bead polymer with a swelling index of from 2.5 to 7.5 and more than one subsequent feed procedure without any separation between the polymerization steps and then modifying to give the anion exchanger.

Abstract: Sodium salts of aromatic sulphinic acids containing nitro groups are obtained in particularly pure form and good yield by introducing the corresponding sulphonyl chlorides into an aqueous alkali metal sulphite solution which is at a temperature of -10.degree. to 45.degree. C. and has a pH of 6 to 10, then cooling the suspension to -10.degree. to 0.degree. C., then metering in sodium hydroxide solution in such a way that the temperature does not exceed 0.degree. C. throughout the reaction, and then raising the temperature, maintaining stirring and simultaneously keeping the pH at 8 to 9 by the addition of sodium hydroxide solution.

Abstract: Microbicidal, especially fungicidal, azolyl derivatives of the formula ##STR1## in which R.sup.1 represents halogenoalkyl or halogenoalkylthio,R.sup.2 represents hydrogen, halogen, cyano, optionally substituted alkyl, optionally substituted alkenyl, alkoxy, alkylthio, aryl or aryloxy,R.sup.3 represents hydrogen, halogen, cyano, optionally substituted alkyl, optionally substituted alkenyl, alkoxy, alkylthio, aryl or aryloxy,R.sup.4 represents hydrogen,R.sup.5 represents hydrogen or alkyl,W represents hydrogen or halogen,X represents nitrogen or a CH group,Y represents alkylene,m represents the number 0 or 1 andZ represents the grouping ##STR2## wherein R.sup.6 represents hydrogen, alkyl or optionally substituted phenyl, orR.sup.6, together with R.sup.4, represents the grouping ##STR3## R.sup.7 represents hydrogen or alkyl, R.sup.8 represents hydrogen or alkyl,R.sup.9 represents hydrogen or alkyl,R.sup.10 represents hydrogen or alkyl,R.sup.

Abstract: Microbicidally effective (azolyl-vinyl)phenol alkenyl ethers of the formula ##STR1## in which the various substituents are defined hereinbelow and addition products thereof with acids and metal salts.

Abstract: The invention relates to new cyanonhydrin iodopropargyl ethers of the formula ##STR1## in which R denotes C.sub.1 -C.sub.10 -alkyl, C.sub.2 -C.sub.10 -alkenyl, C.sub.5-C.sub.8 -cycloalkyl or -cycloalkenyl, which can be optionally substituted by C.sub.1 -C.sub.4 -alkyl or halogen, a process for their preparation and their use as microbicides for the preservation of industrial materials.

Abstract: Iodopropargyl ethers of the formula ##STR1## wherein A represents oxygen or a methylene group,R.sup.1 denotes hydrogen or lower alkyl,R.sup.2 and R.sup.3 are identical or different and represent hydrogen, lower alkyl, alkenyl or unsubstituted or halogen-substituted phenyl, or R.sup.2 and R.sup.3 together form a carbocyclic ring with 4 to 7 C atoms,l and m represent 0, 1 or 2,k denotes 0 or 1 andn denotes an integer from 0 to 4, with the proviso that if l is 0, n represents 1, 2, 3 or 4,can be prepared by reaction of the corresponding propargyl ethers with iodinating agents. The iodopropargyl ethers are active compounds in microbicidal agents.

Abstract: The present invention relates to the preparation of thiocyanatomethylthiobenzothiazoles by the reaction of halomethylthiobenzothiazoles with thiocyanates at elevated temperature in aqueous solution in the presence of a phase transfer catalyst.

Abstract: Iodopropargyl ethers of the formula ##STR1## wherein A represents oxygen or a methylene group,R.sup.1 denotes hydrogen or lower alkyl,R.sup.2 and R.sup.3 are identical or different and represent hydrogen, lower alkyl, alkenyl or unsubstituted or halogen-substituted phenyl, or R.sup.2 and R.sup.3 together form a carbocyclic ring with 4 to 7 C atoms,L and m represent 0, 1 or 2,k denotes 0 or 1 andn denotes an integer from 0 to 4, with the proviso that if 1 is 0, n represents 1, 2, 3 or 4,can be prepared by reaction of the corresponding propargyl ethers with iodinating agents. The iodopropargyl ethers are active compounds in microbicidal agents.

Abstract: 3-(3-iodopropargyloxy)-propionitrile of the formulaIC.tbd.C--CH.sub.2 --O--CH.sub.2 --CH.sub.2 --CNis prepared by iodination of propargyloxypropionitrile. The 3-(3-iodopropargyloxy)-propionitrile is used as an active compound in microbicidal agents.

Abstract: The new halogenated sulphides of the formula ##STR1## in which R.sup.1 to R.sup.8 are identical or different and denote hydrogen or halogen, at least one of the radicals R.sup.1 to R.sup.8 representing halogen,and whereinR.sup.1 and R.sup.2, and/or R.sup.3 and R.sup.4 can optionally form an olefinic bond, andA and B are identical or different and denote nitrile, carboxyl, carboxylate or carboxamide,can be prepared by halogenation of bis-(cyanoethyl) sulphide, or by splitting off hydrogen halide from a halogenated bis-(cyanoethyl) sulphide, or by reacting 3-halogeno-acrylonitriles with sulphides. The new compounds can be active compounds in microbicidal agents.