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US62089994   [0001] 
US20090017097A   [0011] 
US20110142936A   [0011] 
US20120071865A   [0011] 
US3640741A   [0014] 
US3865108A   [0014] 
US3992562A   [0014] 
US4002173A   [0014] 
US4014335A   [0014] 
US4207893A   [0014] 
US6958212B   [0017]  [0042]  [0047] 
US4938763A   [0017] 
US5100992A   [0017] 
US4826945A   [0017] 
US4741872A   [0017] 
US5160745A   [0017] 
US5410016A   [0022]  [0042] 
US5304595A   [0024] 
US5324775A   [0024] 
US6371975B   [0024] 
US7129210B   [0024] 
US20040086479A   [0029]  [0029] 
US20040131582A   [0029]  [0029] 
WO07005249A   [0029] 
WO07001926PCT   [0029] 
WO06031358PCT   [0029] 
WO06031388A   [0029] 
WO06031388PCT   [0029] 
US6149931A   [0042] 

Macromolecules   [0036]