|
US1593514A
|
|
Production of phosphoric acid
|
|
GB245430A
|
|
Process for the production of phosphoric acid anhydride
|
|
GB261542A
|
|
Improvements in and relating to the manufacture of ice colours
|
|
GB244076A
|
|
Process for the production of methane
|
|
GB241903A
|
|
Process for the production of phosphoric acid
|
|
GB241184A
|
|
Process for the production of practically iron-free alumina
|
|
GB240834A
|
|
Process for the production of alumina
|
|
GB253763A
|
|
Manufacture of monoazo-dyestuffs or intermediate compounds, for the manufacture of dis-azo- or polyazo-dyestuffs
|
|
GB256808A
|
|
Manufacture of azo-dyestuffs
|
|
GB256809A
|
|
Manufacture of azo-dyestuffs
|
|
GB261510A
|
|
Manufacture of vat-dyestuffs of the anthraquinone series
|
|
GB251511A
|
|
Manufacture of basic dyestuffs of the malachite green series
|
|
US1588052A
|
|
Basic dyestuffs of the malachite-green series
|
|
GB253377A
|
|
Manufacture of polyazo-dyestuffs
|
|
GB256757A
|
|
Process of treating fibrous vegetable materials for the production of cellulose
|
|
GB236577A
|
|
Method of and means for charging carbon disulphide furnaces
|
|
GB235919A
|
|
Manufacture of halogenated vat dyestuffs of the anthraquinone series
|
|
GB257981A
|
|
Process for the production of soluble fluorides
|
|
GB250785A
|
|
Manufacture of dyestuffs of the triphenylmethane series
|
|
GB235169A
|
|
Process for the production of fast dyeings on vegatable fibre
|
