B - Operations – Transporting – 01 – J
Patent
B - Operations, Transporting
01
J
252/2.A
B01J 29/06 (2006.01) B01J 29/08 (2006.01) B01J 29/50 (2006.01) B01J 29/80 (2006.01) C01B 39/30 (2006.01) C10G 11/05 (2006.01)
Patent
CA 2017760
ABSTRACT "ZEOLITES" A crystalline aluminosilicate having the x-ray diffraction diagram of offretite and stable up to at least 900°C is characterised by a crystallite size range of from about 0.05 micron to about 2.0 micron forming open structure particles having an average particle size in the range from about 0.1 micron to about 10 micron. It can be prepared by reacting a synthesis gel comprising silica, potassium hydroxide and metakaolin in the presence of a nucleating gel comprising silica, potassium hyroxide, metakaolin and a cationic template, the metakaolin having been obtained by calcination at a temperature of at least about 550°C and having an average particle size below 5 micron.
Bereskin & Parr Llp/s.e.n.c.r.l.,s.r.l.
Plc Unilever
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