US1766952A
|
|
Intermediate derived from aminosulphones
|
US1821291A
|
|
Manufacture of dyed products
|
US1821257A
|
|
Manufacture of azo dyestuffs
|
US1785601A
|
|
Manufacture of pyranthrone derivatives
|
US1757506A
|
|
Manufacture of new secondary disazo dyes and their application
|
US1757505A
|
|
Process of dyeing
|
US1841637A
|
|
Azo dyestuffs
|
DE508694C
|
|
Process for the preparation of triarylmethane dyes
|
US1772516A
|
|
Process for preparing triarylmethane dyes
|
GB320742A
|
|
Manufacture of solubilised vat dye and process of dyeing therewith
|
US1766951A
|
|
Intermediate derived from aminosulphones
|
US1766950A
|
|
Azo dyestuffs
|
GB321483A
|
|
Azo dyes and their application
|
US1841622A
|
|
Intermediates and dyes therefrom
|
US1832594A
|
|
Black and grey vat dyes
|
US1777367A
|
|
Manufacture of aerated waters, sparkling drinks and the like
|
US1777366A
|
|
Manufacture of aerated waters, sparkling drinks, and the like
|
US1757504A
|
|
Dyeing regenerated cellulose silk
|
DE543430C
|
|
Process for the production of resin-like condensation products from phenols and formaldehyde (resols) in pure form
|
DE498444C
|
|
Process for the production of Kuepen dyes of the benzanthrone series
|