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GB481942A
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New anthraquinone dyestuffs
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GB480745A
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New anthraquinone dyestuffs
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GB466601A
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Process for colouring acetate artificial silk
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US2041402A
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Manufacture of new enolic sulphuric esters of hydroindanthrones
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US1962142A
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Dyes and dyeing
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US2019530A
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Enolic ethereal salts derived from indanthrone
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US1895019A
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Art of coloring
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US1937718A
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Production of dyestuffs and intermediates
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US1917311A
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Dyestuff intermediates of the benzoyl-benzoic acid series
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US1914872A
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Manufacture of dyestuff intermediates of the anthraquinone series
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US1976689A
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Tetra sulphuric acid esters of indanthrones and their production
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US1943787A
|
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Dyeing and the like
|
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US1936474A
|
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Disulphuric ester of dihydro-3.3'-dichlor-dianthraquinone-1.2.2'.1'-di-hydroazine
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US1929866A
|
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Production of sulphuric esters of anthrahydroquinone and its derivatives
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ES116404A1
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An improved process for the manufacture of dyeing materials and the like.
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US1858334A
|
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Production of ortho-amino-halogen-anthraquinones
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US1886441A
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Dyeing cellulose acetate
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US1929912A
|
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Dyes of the pyranthrone series
|
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US1866632A
|
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Manufacture of aromatic acids
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US1833809A
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Purification of 1-amino-2-chlor-anthraquinone
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