C - Chemistry – Metallurgy – 09 – C
Patent
C - Chemistry, Metallurgy
09
C
C09C 1/36 (2006.01) C09C 3/06 (2006.01)
Patent
CA 2136513
Pigmentary titanium dioxide having a high durability when used in paint or the like exposed to solar radiation and methods of producing such pigmentary titanium dioxide are provided. The durable pigmentary titanium dioxide of the invention is comprised of rutile titanium dioxide particles having cerium oxide and dense amorphous silica deposited thereon. The particles preferably also have an outer coating of hydrous alumina deposited thereon.
Baldwin Roger A.
Brand John R.
Brownbridge Thomas I.
Kerr-Mcgee Chemical Llc
Ridout & Maybee Llp
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