Haloalkyl hydroxy-aromatic condensation products as fuel additiv
Halogenated substituted fulvenes useful as fuel antiknock additi
Hand pressing device for making fuel briquettes from soaked pape
Heating element
Heating unit and fertilizer preparation
Heavy fuel-oil compositions having an improved stability under s
Heavy oils having improved properties and an additive therefor
Hexacoordinated transition metal compounds and fuel compositions
Hexacoordinated transition metal compounds containing at least o
Hexahydropyrimidines as fuel additives
High BTU fuel element
High carbon content liquid fuels
High density liquid ramjet fuel
High density-high volumetric heating value liquid ramjet
High flash point additives or compositions for gasoline and dies
High gradient magnetic beneficiation of dry pulverized coal via
High octane unleaded aviation gasolines
High octane unleaded aviation gasolines
High solids content coal-tar mixture
High temperature solid fire starter