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GB370724A
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Improved process for preparing beta-amino-anthraquinone
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GB368921A
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Improvements in or relating to the treatment of textile materials with vat dyestuffs
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GB368910A
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Improvements in or relating to the printing of textile materials with vat dyestuffs
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GB368293A
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Process of treating fibrous materials
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GB368294A
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Vat dyestuff preparations and process of making the same
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GB368315A
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Vat dyestuffs and a process of preparing the same
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GB365532A
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Vat dyestuffs and process of preparing the same
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US1789279A
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Azo dyestuffs and process of preparation
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US1794848A
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Method for the purification of benzanthrones
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US1798156A
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1-amino-2-chloro-4-hydroxy anthraquinone and process of preparing the same
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US1796115A
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Method for improving the solubility of dyestuffs
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US1791309A
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Process of making benzanthrone
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US1794861A
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Sulphonation of aromatic amines
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US1803503A
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1, 2- and 2, 3-diamino anthraquinone sulphates and method of preparing and isolating the same
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US1810013A
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Process of preparing 4'-sulpho-omicron-benzoyl-benzoic acid
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US1810009A
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4'-sulpho-2-benzoyl-5-amino-benzoic acid
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US1810008A
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4'-sulpho-2-benzoyl-5-nitro-benzoic acid and process for making same
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US1810010A
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2-nitro-anthraquinone-7-sulpho-acid and process for making the same
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US1810011A
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2-nitro-7-chloro-anthraquinone and process of making the same
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US1810012A
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2-amino-7-chloro-anthraquinone and process of making the same
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