Modified clays, preparation thereof and therapeutical compositio

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

1987-04-10

1989-06-13

Waddell, Frederick E.

Drug, bio-affecting and body treating compositions

Inorganic active ingredient containing

Aluminum, calcium or magnesium element, or compound containing

424692, A61K 3312

Patent

active

048391735

ABSTRACT:
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 neutralizing power of from 170 to 1200 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.degree. C. and about 140.degree. 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 modified clays.

REFERENCES:
patent: 3041238 (1962-06-01), Allegrini
patent: 3959444 (1976-05-01), Yokoi et al.
patent: 4040974 (1977-08-01), Wright et al.
patent: 4054537 (1977-10-01), Wright et al.

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