Paper making and fiber liberation – Processes and products – Non-fiber additive
Patent
1995-05-31
1997-01-07
Czaja, Donald E.
Paper making and fiber liberation
Processes and products
Non-fiber additive
162150, 1621644, 1621817, D21H 1768
Patent
active
055913075
ABSTRACT:
Paper containing a filler which is synthetic silica, which can be precipitated, spray-dried and ground. The synthetic silica reduces show through.
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Czaja Donald E.
Degussa - Aktiengesellschaft
Fortuna Jos'e A.
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