Description  Claims  Cited references 

US6348536A   [0002] 
EP2770029A1   [0002] 
US6348536B1   [0003] 
WO2014057273B1   [0004] 
EP2410007A1   [0005] 
US5576617A   [0011] 

Ind. Min. Mines et Carr. Les techn.   [0010]