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
GB596849A
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.)
DAVID WILLIAM MILNER
YORKSHIRE TAR DISTILLERS Ltd
Original Assignee
DAVID WILLIAM MILNER
YORKSHIRE TAR DISTILLERS 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 DAVID WILLIAM MILNER, YORKSHIRE TAR DISTILLERS LtdfiledCriticalDAVID WILLIAM MILNER
Priority to GB596849ApriorityCriticalpatent/GB661482A/en
Publication of GB661482ApublicationCriticalpatent/GB661482A/en
Organic Low-Molecular-Weight Compounds And Preparation Thereof
(AREA)
Abstract
Quinoline fractions are subjected to treatment at a temperature above 160 DEG C., preferably above 200 DEG C., in the presence of a small proportion, e.g. 1 to 5 per cent, of sulphur. The quinoline which is then distilled off has an improved colour stability and a higher specific gravity.
GB596849A1949-03-041949-03-04Improvements in and relating to the preparation of quinoline
ExpiredGB661482A
(en)