Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
Inventor
James Yate Johnson
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by IndividualfiledCriticalIndividual
Application grantedgrantedCritical
Publication of GB191118240ApublicationCriticalpatent/GB191118240A/en
Organic Low-Molecular-Weight Compounds And Preparation Thereof
(AREA)
Abstract
18,240. Johnson, J. Y., [Badische Anilin & Soda Fabrik]. Aug. 11. Anthracene, dyes derived from.-Vat dyes are obtained by condensing 1:2-dihalogenanthraquinone with a 1:2-dimercaptoanthraquinone or a 1-mercapto-2-aminoanthraquinone; the products are of the types where A denotes an anthraquinone residue. The following products are specified:-a violetblue dye from 1:2-dichloranthraquinone and 2- aminoanthraquinone-1-mercaptan; a brick-red dye from 1:2-dichloranthraquinone and anthraquinone-1: 2-dimercaptan.
GB191118240D1911-08-111911-08-11The Manufacture and Production of New Compounds of the Anthraquinone Series.
ExpiredGB191118240A
(en)