Silica-gel based antimicrobial composition having an antimicrobi

Details Silica-gel based antimicrobial composition having an antimicrobi Silica-gel based antimicrobial composition having an antimicrobi

1991-02-28

1993-09-14

Page, Thurman K.

Drug, bio-affecting and body treating compositions

Preparations characterized by special physical form

Biocides; animal or insect repellents or attractants

424489, 424618, 424630, 424641, 424644, 424650, 424652, 424653, 424654, 424655, A01N 2526, A01N 5916

Patent

active

052446670

ABSTRACT:
The present invention provides a novel antimicrobial composition and a process for preparing the composition which composition is useful as antimicrobial and/or bactericidal material. The antimicrobial composition of the invention comprises silica gel and an antimicrobial coat of aluminosilicate on the surface of the silica gel, said composition having a pore volume of at least 0.3 cm.sup.3 /g and a specific surface area of at least 100 m.sup.2 /g. The aluminosilicate coat consists of either partial or complete substitution of ion-exchangeable metal ion (M) in aluminosilicate solid particles represented by the formula

REFERENCES:
patent: 1920492 (1933-08-01), Zellman
patent: 3159536 (1964-12-01), Marotta
patent: 4929431 (1990-05-01), Hagiwara et al.
patent: 4959268 (1990-09-01), Hagiwara et al.
Copy of European Search Report for EP91-30-1660.

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