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
GB328717A
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.)
Imperial Chemical Industries Ltd
Original Assignee
British Dyestuffs Corp Ltd
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 British Dyestuffs Corp LtdfiledCriticalBritish Dyestuffs Corp Ltd
Priority to GB328717ApriorityCriticalpatent/GB113825A/en
Publication of GB113825ApublicationCriticalpatent/GB113825A/en
113,825. British Dyes, Ltd., Turner, J., and Dean, H. March 6, 1917. Monoazo dyes are obtained by coupling the diazo compound of 4 - chlor - 2 - aminoanisol with 1 : 4 -, 1: 5 -, or 2: 6 - naphthol sulphonic acids; the products dye wool red shades. Specification 4726/78 is referred to.
GB328717A1917-03-061917-03-06Improvements in the Manufacture of Red Azo Dyestuffs.
ExpiredGB113825A
(en)