USE OF BETULINE AS A FILLER IN PAPER AND BOARD

Petri Silenius (Inventor), Pirita Suortamo (Inventor)

Research output: Patent

Abstract

The invention relates to the use of betuline as a filler in paper or board, and to a method for producing paper or board. According to the invention, an aqueous slurry is made of betuline, followed by the addition of said slurry to the pulp during the production of paper or board, and removal of water from the paper web, and then the production of paper or board is continued in a conventional manner.
Original languageEnglish
Patent numberWO2005090677
IPCD21H 17/ 06 A I
Priority date19/03/2004
Filing date18/03/2005
Publication statusPublished - 29 Sep 2005
MoE publication typeH1 Granted patent

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