US720361A
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Method of regenerating platinum contact substances.
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US714000A
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Process of making indoxyl.
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US665696A
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Wool dye and process of making same.
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US663225A
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Process of dyeing coal-tar colors.
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US658286A
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Brown sulfur dye and process of making same.
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US656857A
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Yellow dye and process of making same.
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US656859A
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Yellow azo dye and process of making same.
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US656858A
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Orange dye and process of making same.
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US667935A
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Violet-black azo dye and process of making same.
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US660770A
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Blue sulfur dye.
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US651122A
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Naphthazarin sulfur dye and process of making same.
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US664709A
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Process of rendering nitroso bases stable.
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US661800A
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Process of transforming carbon dyes.
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US649218A
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Process of making black naphthazarin sulfur dye.
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US656426A
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Rhodolalkyletherester.
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US657769A
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Blue cotton sulfur dye and process of making same.
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US641100A
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Process of making para-oxy-para-amido-ortho-oxydiphenylamin.
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US647268A
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Process of dyeing.
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US639976A
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Green dye.
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US639977A
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Green dye.
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