Description  Claims  Drawing  Cited references 

US7393511B   [0005] 
US8202481B   [0005] 
US7410626B   [0005] 
US2008112870A   [0005] 
US2010111796A   [0006] 
WO2012160391A   [0007] 
US2009209408A   [0008] 
US2012042631A   [0009] 
US4010238A   [0024] 
US4085193A   [0024] 

Compendium of Chemical Terminology   [0018]