Abstract  Description  Claims  Search report  Cited references 

US3962418A   [0059] 
US3958581A   [0059] 
US20070207109A1   [0059] 
WO0056849A   [0060] 
US6642200B   [0060] 
US20060252668A   [0062] 

CHEMICAL ABSTRACTS   [0078] 
CHEMICAL ABSTRACTS   [0078]