Jun 30

http://www.freepatentsonline.com/7413550.html

This patent from Kimberly-Clark Worldwide teaches using silica or alumina nanoparticles in a high sensitivity bad breadth testing device. Claim 1 reads:

1. A breath testing device comprising nanoparticles and a visual indicating agent disposed on a substrate, wherein the visual indicating agent is color sensitive to at least one odorous compound present in the breath of a user, wherein the visual indicating agent is 4,4′-bis(dimethylamino)-benzhydrol.

Jun 28

http://www.freepatentsonline.com/7410697.html

This patent from SAIC is fairly basic to the incorporation of nanoparticles in polymers (priority: Nov. 1, 2001) and teaches methods of fabrication in which the agglomeration of the nanoparticles is avoided. Claim 1 reads:

1. A composition of matter comprising a polymer fiber with a plurality of controllably spaced nanoparticles integrated into the polymer fiber; wherein the nanoparticles are derivatized to function as a monomer in the polymer fiber.