Zeolite P aluminosilicates and their manufacture and use in detergent compositions
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United States of America Patent
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Jul 10, 2001
Grant Date -
Oct 18, 2001
app pub date -
Aug 20, 1998
filing date -
Aug 4, 1995
priority date (Note) -
Expired
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Abstract
P-type zeolite having the oxide formula M.sub.2/n Al.sub.2 O.sub.3 (1.8-2.66) SiO2 y H2O and having a Calcium Binding Capacity of between 100 and 145 mg/g, preferably between 110 and 140 and a Calcium uptake rate of between 12 and 100 seconds, preferably below 50 seconds can be prepared from metakaolin.
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