Preparation of Clay-Supported Sn Catalysts and Application to .Preparation of Clay-Supported Sn Catalysts and Application to. Baeyer-Villiger . Pure Chemical Industry, Ltd. and Tokyo Chemical Industry, Ltd.. Tin(II or IV).industrial preparation of clay,Manufacturing of Brick - Brick Industry AssociationDec 9, 2006 . Manufacturing of Brick. Abstract: This Technical Note presents fundamental procedures for the manufacture of clay brick. The types of clay used.