Water, hydrocarbylaluminum such as trimethylaluminum, and organic solvent such as toluene are fed to a reactor in controlled proportions and under temperature control to form a dilute reaction product mixture of specified composition and concentration. This solution is then processed so as to form at...http://www.google.fr/patents/US5663394?utm_source=gb-gplus-shareBrevet US5663394 - High yield aluminoxane synthesis process