Modified clays, preparation thereof and therapeutical...

Details Modified clays, preparation thereof and therapeutical... Modified clays, preparation thereof and therapeutical...

A - Human Necessities

61

K

167/292

A61K 33/12 (2006.01) A61K 33/06 (2006.01) A61K 33/08 (2006.01) C01B 33/26 (2006.01)

Patent

CA 1203177

\ A B S T R A C T This invention relates to modified clays comprising a sheet-silicate clay - with a plate separation of from 1.5 to 1.6 nm, with a cation exchange capacity of from 170 to 1700 mEq per 100 g - combined with 0.05 to 0.5 part in weight of magnesium hydroxide per part of clay, and acidic addition products of the same. The invention relates also to a preparation process of these clays, consisting in treating at a temperature between 50°C and about 140°C, possibly under pressure, one part of an appropriate sheet-silicate clay by 0.05 to 0.5 part of magnesium hydroxide for about 3 hours to about 24 hours. The invention relates, finally to therapeutic composition of matter comprising as an essential ingredient therein, a sufficient amount of these clays.

426936

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