Thermoset polymer particles are used in many applications requiring lightweight particles possessing high stiffness, strength, temperature resistance, and/or resistance to aggressive environments. The present invention relates to the use of two different methods, either each by itself or in combination,...http://www.google.de/patents/US7803740?utm_source=gb-gplus-sharePatent US7803740 - Thermoset nanocomposite particles, processing for their production, and their use in oil and natural gas drilling applications
