US 7,527,862 B2
	Dyes for anisotropic dye films, dye compositions for anisotropic dye films, anisotropic dye films and polarizing elements
Tomio Yoneyama, Yokohama (Japan); Ryuichi Hasegawa, Yokohama (Japan); Hideo Sano, Yokohama (Japan); Junichi Oizumi, Yokohama (Japan); Masaaki Nishimura, Yokohama (Japan); and Masami Kadowaki, Yokohama (Japan)
Assigned to Mitsubishi Chemical Corporation, Tokyo (Japan)
Filed on Apr. 14, 2006, as Appl. No. 11/403,982.
Application 11/403982 is a continuation of application No. PCT/JP2004/015450, filed on Oct. 13, 2004.
Claims priority of application No. 2003-353832 (JP), filed on Oct. 14, 2003; application No. 2003-378399 (JP), filed on Nov. 07, 2003; and application No. 2004-234415 (JP), filed on Aug. 11, 2004.
Prior Publication US 2006/0182902 A1, Aug. 17, 2006
Int. Cl. B32B 5/66 (2006.01)

U.S. Cl. 428—411.1  [428/474.4; 428/480; 428/500]

26 Claims

1. An anisotropic dye film comprising a molecularly stacked dye wherein a period attributable to molecular stacking is at most 3.445 Å, and a column length thereof is at least 105 Å.