FILLER FOR USE IN PAPER MANUFACTURE AND PROCEDURE FOR PRODUCING A FILLER

Petri Silenius (Inventor), Markku Leskelä (Inventor)

Research output: Patent

Abstract

The invention relates to a filler used in paper manufacture and mainly consisting of calcium carbonate, and to a procedure for producing the filler. The filler consists of porous aggregates formed by precipitated calcium carbonate particles. In the procedure, calcium carbonate is precipitated.
Original languageEnglish
Patent numberWO9701670
IPCC01F11/18 C09C1/00 C09C1/02 (+4)
Priority date29/06/1995
Publication statusPublished - 16 Jan 1997
MoE publication typeH1 Granted patent

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