US 7,579,391 B2
	Titanium dioxide pigments, process for the production thereof, and resin compositions containing the pigments
Hideo Takahashi, Yokkaichi (Japan); Masaki Shimojoh, Yokkaichi (Japan); Toshihiko Akamatsu, Yokkaichi (Japan); and Keisuke Iriyama, Yokkaichi (Japan)
Assigned to Ishihara Sangyo Kaisha, Ltd., Osaka (Japan)
Appl. No. 11/629,990 PCT Filed Jun. 23, 2005, PCT No. PCT/JP2005/011531 § 371(c)(1), (2), (4) Date Feb. 28, 2007, PCT Pub. No. WO2006/001330, PCT Pub. Date Jan. 05, 2006.
Claims priority of application No. 2004-186188 (JP), filed on Jun. 24, 2004.
Prior Publication US 2007/0295244 A1, Dec. 27, 2007
Int. Cl. C08L 23/06 (2006.01); C01G 23/047 (2006.01); C08K 9/00 (2006.01); C09C 1/36 (2006.01); C09C 3/12 (2006.01)

U.S. Cl. 523—216  [106/445; 106/446; 427/219; 427/220; 427/221; 428/404; 428/405; 524/81; 524/186; 524/261; 524/379; 524/497]

7 Claims

1. A plastic resin composition comprising a titanium dioxide pigment comprising titanium dioxide particles and a dense hydrous silica coating formed on the surface of the titanium dioxide particles and an organic compound coating formed on the dense hydrous silica coating without any interlayers; and a LDPE resin.