COATED PARTICLES, METHODS OF MAKING AND USING

(54) COATED PARTICLES, METHODS OF MAKING AND USING

(76) Inventor: David Anderson, Colonial Heights, VA (US)

Correspondence Address:

WHITHAM, CURTIS & CHRISTOFFERSON,
P.C.

11491 SUNSET HILLS ROAD
SUITE 340

RESTON, VA 20190 (US)

(21) Appl. No.: 10/624,498

(22) Filed: Jul. 23, 2003

Related U.S. Application Data

(63) Continuation of application No. 10/170,237, filed on Jun. 13, 2002, now Pat. No. 6,638,621, which is a continuation-in-part of application No. 09/297,997, filed on Aug. 16, 2000, now Pat. No. 6,482,517, and which is a continuation-in-part of application No. PCT/US98/18639, filed on Sep. 8, 1998.

(60) Provisional application No. 60/058,309, filed on Sep. 9, 1997.

(30) Foreign Application Priority Data

Sep. 8, 1998 (WO) PCT/US98/18639

Publication Classification

(51) Int. CI.7 B01J 13/02

(52) U.S. CI 264/4.3; 264/4.6; 428/402.2;

428/402.21

(57) ABSTRACT

A particle coated with a nonlamellar material such as a nonlamellar crystalline material, a nonlamellar amorphous material, or a nonlamellar semi-crystalline material includes an internal matrix core having at least one a nanostructured liquid phase, or at least on nanostructured liquid crystalline phase or a combination of the two is used for the delivery of active agents such as pharmaceuticals, nutrients, pesticides, etc. The coated particle can be fabricated by a variety of different techniques where the exterior coating is a nonlamellar material such as a nonlamellar crystalline material, a nonlamellar amorphous material, or a nonlamellar semicrystalline material