Kaolin products and their production

Details Kaolin products and their production Kaolin products and their production

2011-01-25

2011-01-25

Halpern, Mark (Department: 1741)

Paper making and fiber liberation

Processes and products

Non-fiber additive

C106S486000, C106S487000

Reexamination Certificate

active

07875151

ABSTRACT:
A particulate product comprising kaolin produced from a method wherein the kaolin of a feed suspension is such that not more than 30% by weight has a particle size less than 2 μm and not more than 30% by weight has a particle size greater than 10 μm, wherein the kaolin of a product suspension produced is such that not more than 10% by weight has a particle size greater than 10 μm and not more than 10% by weight has a particle size less than 0.25 μm, and wherein the particulate product comprises kaolin produced from a fine fraction suspension.

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