Highly oil absorbing amorphous silica particles

Details Highly oil absorbing amorphous silica particles Highly oil absorbing amorphous silica particles

2004-07-30

2009-02-10

Le, H. T (Department: 1794)

Stock material or miscellaneous articles

Coated or structually defined flake, particle, cell, strand,...

Particulate matter

C423S335000, C502S240000, C502S407000

Reexamination Certificate

active

07488533

ABSTRACT:
The present invention relates to amorphous silica particles having high oil absorbance capabilities, a process for their preparation and use thereof. The amorphous silica particles of the invention, wherein oil absorption measured by JISK 6217-4 is more than 400 ml/100 g can be obtained by baking at least 200 to 990° C.

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