US Patent 7208134 - Magnetic nanoparticles for CO2 absorption

http://www.freepatentsonline.com/7208134.html

This patent from M.I.T. possesses a fairly basic claim to inorganic nanoparticles (such as iron oxide nanoparticles) which is combined with organic phases (hydrocarbons) to bind gases (such as CO2). Claim 1 reads:

1. A nanoparticle comprising an inorganic compound associated with an organic phase, wherein the organic phase is capable of reversibly solubilizing a gas.