US 7,476,870 B2
	Methods of fluid irradiation using ultraviolet reflecting compositions
Liane B. Hopaluk, Lowell, Mich. (US); Farhod G. Baghera, Ada, Mich. (US); Terry L. Lautzenheiser, Nunica, Mich. (US); and David M. Byrne, Jenison, Mich. (US)
Assigned to Access Business Group LLC, Ada, Mich. (US)
Filed on Nov. 12, 2007, as Appl. No. 11/938,440.
Application 11/938440 is a continuation of application No. 11/221219, filed on Sep. 07, 2005, granted, now 7,304,312.
Prior Publication US 2008/0061005 A1, Mar. 13, 2008
This patent is subject to a terminal disclaimer.
Int. Cl. G01N 21/01 (2006.01); G01N 21/51 (2006.01); G01N 23/10 (2006.01); G01N 23/12 (2006.01)

U.S. Cl. 250—436  [250/423 R; 250/434; 250/428; 250/435; 210/748; 210/753; 210/754; 210/85; 422/37; 422/1; 422/261]

20 Claims

1. A method of irradiating a fluid, the method comprising the step of irradiating the fluid with ultraviolet radiation reflected from an ultraviolet reflective surface formed at least in part from a thermoplastic material containing from about 0.5% to about 5% ultraviolet reflective microparticles.