US 7,488,764 B2
	Polymer encapsulation of high aspect ratio materials and methods of making same
Stanley Young Hobbs, Scotia, N.Y. (US); Robert Edgar Colborn, Niskayuna, N.Y. (US); Eelco M. S. van Hamersveld, Raamsdonksveer (Netherlands); Fazila Seker, Clifton Park, N.Y. (US); Ali Ersin Acar, Ystanbul (Turkey); Chris Hartshorn, Schenectady, N.Y. (US); and Daniel Steiger, Clifton Park, N.Y. (US)
Assigned to Sabic Innovative Plastics IP B.V., Bergen op Zoom (Netherlands)
Filed on Oct. 20, 2004, as Appl. No. 10/970,507.
Application 10/970507 is a continuation in part of application No. PCT/US2004/001727, filed on Jan. 22, 2004.
Application PCT/US2004/001727 is a continuation in part of application No. 10/351386, filed on Jan. 23, 2003, granted, now 7,312,257.
Claims priority of provisional application 60/481533, filed on Oct. 21, 2003.
Prior Publication US 2005/0154083 A1, Jul. 14, 2005
This patent is subject to a terminal disclaimer.
Int. Cl. C08K 9/10 (2006.01); C08K 3/30 (2006.01); C08K 3/22 (2006.01); C08K 3/08 (2006.01); C08K 3/34 (2006.01)

U.S. Cl. 523—200  [523/205; 524/420; 524/430; 524/440; 524/441; 524/449; 524/500; 524/577]

58 Claims

1. An encapsulated pigment composition comprising one or more substantially spherical-shaped beads, wherein each substantially spherical-shaped bead comprises one or more high aspect ratio particles encapsulated within an encapsulating material and wherein the substantially spherical-shaped beads have an average diameter of 10 μm to 300 μm.