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Expired
Application number
GB458518A
Inventor
Arthur George Perkin
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Individual
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Individual
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Priority to GB458518ApriorityCriticalpatent/GB126764A/en
Publication of GB126764ApublicationCriticalpatent/GB126764A/en
Acyclic And Carbocyclic Compounds In Medicinal Compositions
(AREA)
Abstract
126,764. Perkin, A. G. March 15, 1918. N-Dihydro-1 : 2 : 2<1> : 2<1> -anthraquinoneazine is obtained by fusing 2-aminoanthraquinone with caustic potash and a sugar, such as glucose, cane sugar, or lactose.
GB458518A1918-03-151918-03-15Improvements in the Manufacture of N-dihydro-1:2:2<1>:1<1>-anthraquinone Azine.
ExpiredGB126764A
(en)
Improvements relating to the treatment of ores or other matter containing acid-oxideforming metals such as chromium, manganese, molybdenum, titanium, uranium and the like for the formation of salts thereof and useful bye-products