1. A method of obtaining a loose powder containing at least 85 parts by weight, preferably at least 90 parts by weight and more preferably at least 95 parts by weight at least one quaternary ammonium compound spreading in air per 100 parts by weight powder based on dry weight； in which the free-flowing powder is obtained by drying an aqueous solution of the aforementioned quaternary ammonium compound to form a solid product and admixing at least one powdery fatty acid salt with medium and long chains and with a polyvalent counterion in an amount of at least 0.1 wt. . per 100 parts by weight said quaternary ammonium compound； Method, characterized in that before drying the specified aqueous solution, at least one water-soluble salt of a fatty acid with medium and long chains and with a monovalent counterion is introduced into it, dissolving at least 0.1 parts by weight said water-soluble salt per 100 parts of said quaternary ammonium compound in said aqueous solution. 2. The method according to claim 1, characterized in that at least 0.2 wt.h. preferably at least 0.3 parts by weight and more preferably at least 0.4 parts by weight said water-soluble salt is dissolved in said aqueous solution for 100 parts of said quaternary ammonium compound. 3. The method according to claim 1, characterized in that the aqueous solution is heated to a temperature above 50 ° C, preferably above 60 ° C and more preferably above 75 ° C to dissolve the mentioned water-soluble salt therein. The method according to claim 1, characterized in that more than 20%, preferably more than 50%, and1. Способ получения сыпучего порошка, содержащего по меньшей мере 85 мас.ч., предпочтительно по меньшей мере 90 мас.ч. и более предпочтительно по меньшей мере 95 мас.ч. по меньшей мере одного расплывающегося на воздухе четвертичного аммониевого соединения на 100 мас.ч. порошка в расчете на сухую массу； в котором сыпучий порошок получают высушиванием водного раствора упомянутого четвертичного аммониевого с
