Doped precipitated silica

Details Doped precipitated silica Doped precipitated silica

2006-07-04

2006-07-04

Nguyen, Ngoc-Yen (Department: 1754)

Chemistry of inorganic compounds

Silicon or compound thereof

Oxygen containing

C423S335000, C162S181600

Reexamination Certificate

active

07070749

ABSTRACT:
Foreign-atom-doped precipitated silicas having a BET surface area of more than 300 m2/g and a maximum surface concentration of the foreign atoms of 0.05 mmol/m2, to a process for preparing them and to the use of the resulting precipitated silicas in papermaking.

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