Novel amorphous silica, and products thereof

Details Novel amorphous silica, and products thereof Novel amorphous silica, and products thereof

1978-06-29

1980-10-28

Cooper, Jack

Stock material or miscellaneous articles

Structurally defined web or sheet

Discontinuous or differential coating, impregnation or bond

428446, 428331, 423335, 423339, 106288B, C01B 3312

Patent

active

042307651

ABSTRACT:
Amorphous silicas having a crystalline appearance, at least two surfaces in symmetric relation, a length of about 1 to about 500.mu. and a thickness of about 50 A to about 1.mu., the length being at least about 10 times the thickness, the amorphous silicas being in the form of primary particles, secondary particles, aqueous dispersions of the particles and shaped bodies.

REFERENCES:
patent: 1751955 (1930-03-01), Stoewener
patent: 2114123 (1938-04-01), Heuser
patent: 3250594 (1966-05-01), Burke et al.
patent: 3307906 (1967-03-01), Burke
patent: 3328125 (1967-06-01), Mays et al.
patent: 3372046 (1968-03-01), Burke
patent: 3503707 (1970-03-01), Burke
patent: 3719741 (1973-03-01), Burke
patent: 3849344 (1974-11-01), McMurty et al.
patent: 3855394 (1974-12-01), Burke
patent: 3969567 (1976-07-01), Occleshaw et al.

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