Description  Claims  Drawing  Cited references 

WO2012009755A1   [0003] 
WO02055295A1   [0003] 
US3985826A   [0026] 
US5708083A   [0026] 
US6812292B   [0026] 

Encyclopedia of Polymer Science and Engineering   [0021] 
Encyclopedia of Polymer Science and Technology   [0021]