Patent ID: 9574305
Date: 2017-02-21
CPC Classifications: C01F,C01P,C04B,C09C,C09D,C09J,D21H

Claim:
1. An aqueous slurry comprising a mineral material consisting of natural ground calcium carbonate which has a percentage P 5 by weight of particles having a diameter of less than 5.0 μm of from 98.5% to 90% and 1.5 to 10% by weight of particles having a diameter greater than 5.0 μm, a percentage P 2 by weight of particles having a diameter of less than 2.0 μm of from 96% to 80% and 4.0 to 20% by weight of particles having a diameter greater than 2.0 μm, wherein the ratio of P 2 /P 5 is from 0.98 to 0.85, wherein the slurry has a solids content of more than 78 wt %, and wherein the natural ground calcium carbonate is the only inorganic material which is present in the aqueous slurry.