GB189619946A - A Process for the Manufacture of Compounds of the Series of the Indoxylic Acids, and of Dye-stuffs of the Indigo-series.
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A Process for the Manufacture of Compounds of the Series of the Indoxylic Acids, and of Dye-stuffs of the Indigo-series.
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Rubin Blank
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Individual
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Individual
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GB189619946D1896-09-091896-09-09A Process for the Manufacture of Compounds of the Series of the Indoxylic Acids, and of Dye-stuffs of the Indigo-series.
ExpiredGB189619946A
(en)
The Manufacture or Production of Alpha1, Beta2-dihydroxynaphthalene, a New Alpha1, Beta2-dihydroxynaphthalenesulphonic Acid, and of Colouring-matters Derived from Alpha1, Beta2-dihydroxynaphthalene Sulphonic Acids.