C - Chemistry – Metallurgy – 01 – B
Patent
C - Chemistry, Metallurgy
01
B
C01B 33/187 (2006.01) B41M 5/52 (2006.01) C01B 33/12 (2006.01) C01B 33/193 (2006.01) C08K 3/36 (2006.01) D21H 19/40 (2006.01)
Patent
CA 2364996
The invention relates to 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.
Lindner Gottlieb-Georg
Mueller Astrid
Degussa Ag
Fetherstonhaugh & Co.
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