cleaning ready installed can be used as such in the inventive method in step a of the inventive method namely the fabric material for cleaning is immersed in a sufficiently large volume of the dry cleaning solvent so as to dissolve out the dirt materials adhering to the fabric material into the solvent instead of immersion in the dry cleaning solvent the fabric material can be soaked with a limited volume of the solvent for example by spraying the solvent application of ultrasonic waves to the fabric material or increase of the temperature up to 60 u00b0 c or in the range from 10 to 60 u00b0 c is sometimes effective to promote dissolution of the dirt materials in the solvent in step b of the inventive method the fabric material is separated from the solvent containing the dirt material dissolved therein in a solid liquid separating method such as centrifugation and roller squeezing as completely as possible and in step c the fabric material still wet with the solvent is dried by air drying hot air circulation drying or drying under reduced pressure in the following the present invention is described in more detail by way of examples which however never limit the scope of the invention in any way the examples are preceded by the description of the synthetic preparation of the tris trimethylsiloxy silane compounds methyl tris trimethylsiloxy silane was prepared in the following manner thus 1296 g 8 moles of hexamethyl disiloxane 100 g of concentrated hydrochloric acid and 30 g.