Improvements in the Manufacture of a Series of New Aromatic Mono- and Di-aminosulphon-amides Derived fram Beta-naphthylamine suitable for the Production of Organic Colouring Matters.
GB191108474A
Improvements in the Manufacture of Black Colouring Matters.
GB191108069A
Improvements in the Manufacture of Black Colouring Matters.
GB191108068A
Improvements in the Manufacture of Black Colouring Matters.
GB190724662A
Improvements in the Manufacture of Mellitic Acid.
GB190703167A
Improvements in Dyestuffs for Dyeing Direct upon Cotton and other Materials.
GB190702568A
Improvements in the Preparation and Use of Direct Cotton Dyestuffs for Dyeing
GB190522513A
Improvements in the Manufacture of Blue and Black Colouring Matters.
GB190426345A
Black Colouring Matters containing Sulphur.
GB190318924A
Improvements in the Production or Manufacture of Coloring Matters
GB190223514A
Improvements in the Manufacture of Colouring Matters.
GB190222534A
Improvements in the Manufacture of Intermediate Compounds and Colouring Matters therefrom Containing Sulphur
GB190222078A
Improved Manufacture of Yellow to Orange Nitro Colouring Matters.
GB190220125A
Improvements in the Manufacture of Colours Containing Sulphur
GB190219551A
Improvements in the Production of Dyestuffs Containing Sulphur
