The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
May. 29, 1990
Filed:
Mar. 10, 1989
Applicant:
Inventor:
Timothy J Barder, Addison, IL (US);
Assignee:
UOP, Des Plaines, IL (US);
Primary Examiner:
Int. Cl.
CPC ...
C07C / ;
U.S. Cl.
CPC ...
585828 ; 2083 / ;
Abstract
A process for the separation of 2,7 DIPN from a hydrocarbon feed mixture comprising 2,7 DIPN and one or more other DIPN isomers, which process employs an adsorbent, comprising a type Y zeolite, dried to an LOI less than 10% which has been at least partially cation exchanged, at exchangeable sites, with potassium. The 2,7 DIPN thereafter is removed from the adsorbent by contacting it with a desorbent material, comprising toluene, at desorbent conditions, and is recovered as an extract product stream. In a preferred embodiment, the process uses a simulated moving-bed countercurrent flow system.