Silicon dioxide-containing compositions and process for their pr

Details Silicon dioxide-containing compositions and process for their pr Silicon dioxide-containing compositions and process for their pr

1977-09-16

1979-09-25

Lovering, Richard D.

Compositions

Preservative agents

Anti-corrosion

8 79, 71 64F, 252522, 424 19, 424 22, 424 32, 424247, 424260, 424330, B01J 1302, A01N 1700, A61K 926

Patent

active

041690699

ABSTRACT:
A process for the incorporation of active materials into silicon dioxide-containing carrier materials, comprises encapsulating the active material with liquid polyalkoxysiloxane, polyorganoalkoxysiloxane or a mixture thereof and subsequently effecting hydrolytic polycondensation of the siloxane. The resultant enveloped active material has readily controllable release properties.

REFERENCES:
patent: 2800457 (1957-07-01), Green et al.
patent: 3384680 (1968-05-01), Lussow
patent: 3730905 (1973-05-01), Koerner et al.
patent: 3922392 (1975-11-01), Kohlschutter et al.

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