Improved manufacture of phosphorus in blast furnaces
GB383997A
Improved manufacture of ammonium magnesium phosphatic fertilizers
GB379434A
Improved manufacture of ammonium magnesium phosphatic fertilizers
GB379433A
Improved manufacture of ammonium magnesium phosphatic fertilizers
GB368559A
Improved manufacture of fertilisers
GB369027A
Improved manufacture of fertilisers
GB352725A
Improved manufacture of tri-ammonium phosphate
GB351749A
Improved manufacture of an ammonium potassium phosphatic fertilizer and of a utilisable slag
GB312685A
Improved manufacture of phosphorus chlorides
GB312060A
Improved manufacture of ammonia
GB314894A
Improved manufacture of ammonia
GB311376A
Improved manufacture of ammonia
GB278578A
Improved process for producing hydrogen and phosphoric acid
GB280763A
A process for simultaneously producing a gas of the nature of water gas, phosphoric acid, and an aluminium silicate slag having the same composition as a cement