US2588506A - Extractive fractionation pbocess - Google Patents

Extractive fractionation pbocess Download PDF

Info

Publication number
US2588506A
US2588506A US74167747A US2588506A US 2588506 A US2588506 A US 2588506A US 74167747 A US74167747 A US 74167747A US 2588506 A US2588506 A US 2588506A
Authority
US
United States
Prior art keywords
complexes
urea
mixture
thiourea
fraction
Prior art date
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 - Lifetime
Application number
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 filed Critical
Priority to US74167747 priority Critical patent/US2588506A/en
Priority to US74167647 priority patent/US2549372A/en
Application granted granted Critical
Publication of US2588506A publication Critical patent/US2588506A/en
Anticipated expiration legal-status Critical
Application status is Expired - Lifetime legal-status Critical

Links