US 7,470,397 B2
Disintegratable films for diagnostic devices
William G. Meathrel, Glen Rock, Pa. (US); Nathan A. Meyer, Glen Rock, Pa. (US); Scott D. Barnhart, Glen Rock, Pa. (US); Cathy M. Moritz, Glen Rock, Pa. (US); Andrew P. Full, Glen Rock, Pa. (US); Susan R. Newsom, Oceanside, Calif. (US); and Mary Robertson, Castletroy (Ireland)
Assigned to Adhesives Research, Inc., Glen Rock, Pa. (US)
Filed on Oct. 22, 2004, as Appl. No. 10/970,383.
Claims priority of provisional application 60/513547, filed on Oct. 24, 2003.
Prior Publication US 2008/0299005 A1, Dec. 04, 2008
Int. Cl. G01N 33/548 (2006.01); G01N 33/532 (2006.01)
U.S. Cl. 422—56  [424/443; 424/435; 435/68.1; 435/4; 436/526; 436/518] 39 Claims
OG exemplary drawing
 
1. A disintegratable film for a diagnostic device comprising:
a first water soluble component having a molecular weight less than about 60,000 daltons;
a second water soluble component having a molecular weight greater than about 60,000 daltons; and
at least one reagent,
wherein the film is in the form of a monolayer of a thickness sufficient to disintegrate upon contact with an aqueous fluid to release the reagent; and
wherein the at least one reagent reacts with chorionic gonadotropin.