Methods of making ceramics, including ceramic abrasive particles, comprising alumina (in some embodiments, alpha alumina). The ceramic abrasive particles can be incorporated into a variety of abrasive articles, including bonded abrasives, coated abrasives, nonwoven abrasives, and abrasive brushes. ...http://www.google.de/patents/US20040148868?utm_source=gb-gplus-sharePatent US20040148868 - Methods of making ceramics
