Use of quaternary ammonium salts of nitrogen containing polymers
Use of reaction products of polyolefins and oxides of nitrogen o
Use of selected beta-nitroalkenes as cetane number boosters for
Use of tertiary-hexyl methyl ether as a motor gasoline additive
Use of trioxepans in ignition improved fuels
Use of water soluble polymers in coal flotation circuits
Utilization of low rank and waste coals in transportable fluidic
Utilization of low rank coal and peat