Treated titanium dioxide pigment, process of making thereof and use thereof in paper manufacture

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 12110634
APP PUB NO 20210262171A1
SERIAL NO

17253404

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Abstract

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Process for the surface treatment of a titanium dioxide pigment, characterized in that it comprises the following steps: an aqueous suspension of titanium dioxide pigments is formed, in a first step, a layer of alumina phosphate is precipitated on the surface of the pigment, in a second step, a layer of alumina is precipitated over the first layer of alumina phosphate, and in an optional third step, a layer of magnesium oxide is precipitated on the layer of alumina. Titanium dioxide pigments made by the disclosed process and method using said pigments in paper manufacturing are also disclosed.

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Patent Owner(s)

Patent OwnerAddress
TRONOX LLC3301 N W 150TH STREET OKLAHOMA CITY OK 73134

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Burniston, Neil Brigg, GB 4 5
Kerrod, Julie Elizabeth Lincolnshire, GB 5 18
McIntyre, Robert Louth, GB 15 117
Webber, Ben Grimsby, GB 3 2

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