Factor a, b and z purification
Fatty acid anhydride condensation products and process
Fiber reactive dyes
Fiber reactive dyes
Fine organic powders
Fire-extinguishing compositions
Flame-proofing of lignocellulosic material
Flavoring and fragrance compositions
Flocculating agent derived from waste lignin
Fractionation of alkaline extracts of tree barks
Fractionation of alkaline extracts of tree barks