Deactivating dried coal with a special oil composition
Deashing of coal by the oil agglomeration process
Deashing process for coal
Decomposition of organic azides
Decomposition of organic azides
Demineralization of brown coal
Denaturants for ethyl alcohol
Deposit control additives - hydroxy polyether polyamines
Deposit control additives and fuel compositions containing them
Deposit control additives and their fuel compositions
Deposit control additives--polyether polyamine ethanes
Deposit control additives-methylol polyether amino ethanes
Deposit control and dispersant additives
Derivatives of polyether glycol esters of polycarboxylic acids a
Derivatized ethylene/polar monomer polymers of improved performa
Desensitized cetane improvers
Desulfurization of carbonaceous materials
Desulfurization of coal
Desulfurization of coal
Desulfurization of coal