Description  Claims  Drawing  Cited references 

US3305586A   [0008]  [0057] 

Kirk-Othmer Encyclopedia of Chemical Technology   [0005] 
A low Cost Phenol to Cyclohexanone Process   [0005] 
Cyclohexanol and Cyclohexanone   [0005] 
Phenol Hydrogenation to Cyclohexanone   [0012]