A chrmonic nanoparticle mixture prepared by combining (i) a continuous water-soluble polymer phase and (ii) a discontinuous chromonic phase comprising a chromonic material; and non-covalently crosslinking the resulting chromonic nanoparticles with a polyvalent cation salt. ...http://www.google.com.au/patents/US20070086964?utm_source=gb-gplus-sharePatent US20070086964 - Method for making chromonic nanoparticles
