A composition containing nanomagnetic particles. The, nanomagnetic particles have an average particle size of less than about 100 nanometers, a saturation magnetization of from about 2 to about 2,000 electromagnetic units per cubic centimeter, a phase transition temperature of from about 40 to about...http://www.google.com.au/patents/US20040210289?utm_source=gb-gplus-sharePatent US20040210289 - Novel nanomagnetic particles
