A crystalline composition having an X-ray diffraction pattern essentially the same as the high cristobalite form of silica comprising SiO2, Al2O3 and a metal oxide (MexO) in which Me is selected from Na, Ca, Sr and mixtures thereof.
申请公布号
DE69118807(D1)
申请公布日期
1996.05.23
申请号
DE1991618807
申请日期
1991.10.19
申请人
E.I. DU PONT DE NEMOURS & CO., WILMINGTON, DEL., US
发明人
HU, YUNG-HAW, WILMINGTON, DE 19707, US;SALTZBERG, MICHAEL AARON, GLEN MILLS, PA 19342, US
