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Philip Arthur Newton
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23,791. Newton, P. A., [Farbenfabriken vorm. F. Bayer & Co.]. Oct. 27. Monoazo dyes are obtained by combining diazotized p-chlor-o-nitraniline with acetoacetico-chloranilide. Lakes of greenish-yellow shade are obtained from the above - described dye by the usual methods. Acetoacetic-o-chloranilide is obtained from ochloraniline and acetoacetic ester.
GB191123791D1911-10-271911-10-27Manufacture and Production of a New Colouring Matter suitable for the Production of Lakes.
ExpiredGB191123791A
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