US 7,462,665 B2
	Aqueous paint composition, particularly a lacquer or a varnish and an aqueous colloidal dispersion of cerium
Jean-Noël Bousseau, Paris (France); David Fauchadour, Paris (France); and Bruno Tolla, Paris (France)
Assigned to Rhodia Electronics & Catalysis, La Rochelle (France)
Appl. No. 10/515,862 PCT Filed May 27, 2003, PCT No. PCT/FR03/01595 § 371(c)(1), (2), (4) Date May 16, 2005, PCT Pub. No. WO03/099942, PCT Pub. Date Dec. 04, 2003.
Claims priority of application No. 02 06498 (FR), filed on May 28, 2002.
Prior Publication US 2006/0167154 A1, Jul. 27, 2006
Int. Cl. C08K 3/10 (2006.01)

U.S. Cl. 524—403

12 Claims

1. A composition, comprising a mixture of an aqueous paint and of an aqueous colloidal dispersion of a cerium compound, said dispersion exhibiting a pH of at least 7 and comprising an organic acid having at least three acid functional groups, the third pK of which is at most 10, or a salt of this acid, and aqueous ammonia or an amine.