The present invention relates to a novel process for the preparation of N-methyl-N’-nitroguanidine by reacting nitroguanidine with aqueous methylamine solution buffered by the addition of inorganic or organic acids.

The invention relates to a process for preparing fluorinated acetophenones from fluorinated aryl compounds in the presence of N-hydroxyphthalimide and the use thereof.

The present invention relates to insecticidal mixtures of chloronicotinyl insecticides of the formula (I) ##STR00001## in which R.sup.1 represents C.sub.1-C.sub.5-alkyl, R.sup.2 represents hydrogen or C.sub.1-C.sub.5-alkyl or R.sup.1 and R.sup.2 together represent –CH.sub.2–CH.sub.2–; –CH.sub.2–CH.sub.2–CH.sub.2– or ##STR00002## X represents an NH group, NCH.sub.3 group or represents sulphur, Y represents nitrogen or a CH group and Z represents cyano or nitro, with one or more of the syne…

The present application relates to the use of active compound combinations containing phenolic active compounds and fungicidal active compounds for preserving animal hides and leather.

The invention relates to a process for preparing colourless dibenzylamine by adding ammonium chlorides or amines to the industrially obtained dibenzylamine and subsequent distillation.

A process for preparing a formulation containing tetrabutylammonium phenolate and phenol is disclosed. The process entails combining a solution of tetrabutylammonium bromide in phenol with a solution of sodium phenolate to form a mixture, excess phenol is removed by distillation, and sodium bromide is filtered off. The formulation, that contains tetrabutylammonium phenolate and phenol in a weight ratio of 40:60 to 70:30, has a solidification point of less than 25.degree. C. and finds use as a ca…

A method of making a plastic molding is disclosed. The multi-step method entails applying a metallic layer 20 to 150 nm thick to a translucent plastic film having a thickness of 50 to 750 .mu.m, removing part of the metallic layer, and applying to the metallized side of the film an adhesive layer 5 to 50 .mu.m in thickness to obtain a product, and injection molding the product with a translucent thermoplastic. The plastic molding thus made is suitable for the preparation of keys, fittings, trim …

Process for preparing dimethyl propanephosphonate, characterized in that dimethyl phosphite is reacted with propene in the presence of a free-radical former at a reaction temperature of 60 to 95.degree. C., the half life of the free-radical former being 0.1 to 20 min at the reaction temperature.

The present invention provides a process for joining plastics components by a combination of pressing and laser welding, wherein, at the joining points (1) of the components (3, 4), at least a first component (3) has a resilient and/or compressible sealing lip (5), wherein the sealing lip (5) is resiliently deformed by pressing the components (3, 4) together, while the external pressure is maintained, the laser beam is directed onto the joining point (1) and, by purposeful irradiation of the joi…

The present invention relates to a process for the production of an isocyanate corresponding to the formula R(NCO).sub.n wherein R represents a (cyclo)aliphatic or aromatic hydrocarbon residue having up to 15 carbon atoms, preferably 4 to 13 carbon atoms, provided that there are at least 2 carbon atoms arranged between each of the nitrogens and n represents the number 2 or 3, by a) separately heating an amine corresponding to the formula R(NH.sub.2).sub.n, wherein R and n are as previously defin…