Silica particulate composition

Chemistry of inorganic compounds – Silicon or compound thereof – Oxygen containing

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106409, 4273977, C01B 3318

Patent

active

050248260

ABSTRACT:
A silica powder composition in which the individual powder particles comprise shaped hollow shells of amorphous hydroxylated silica having a shell thickness of from 10 to 50 nanometers.

REFERENCES:
patent: 2885366 (1959-05-01), Iler
patent: 2913419 (1959-11-01), Alexander
patent: 3383172 (1968-05-01), Biegler et al.
patent: 4744831 (1988-05-01), Beck
Nakahara et al., Zairyo Gijutsu, vol. 5, No. 5 (1987), pp. 231-236, Release Control of Insecticide from Inorganic Microcapsules.
Darley et al., Planta, 130, (2) (1976), pp. 159-167, Studies on the Biochemistry and Fine Structure of Silica Shell Formation in Diatoms.
Sadava et al., Planta, 135, (1) (1977) pp. 7-11, Studies on the Biochemistry and Fine Structure of Silica Shell Formation in Diatoms.

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