1. US 9.260.667 (2016); US 9.255.238 (2016); US 9.238.600 and 9.227.167 (2014 UOP); US 9.234.143 (2016); US 9.162.941 (2015 Total); US 5.368.721 (1994 Exxon); US 6.511.933 (2003 Tonen); US 6.858.555 (2005 ExxonMobil); WO 98/03.612 (1998 Exxon); WO 01/46.342 (2001 Mobil); Speight/Özüm p. 440 487;
2. Preparation and Properties of Fluid Cracking Catalysts for Residual Oil Conversion
3. 1989 31 215;
4. 1989 24 1;