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:
Dec. 07, 1982
Filed:
Feb. 27, 1981
Applicant:
Inventor:
Robert G Werner, Danbury, CT (US);
Assignee:
Union Carbide Corporation, Danbury, CT (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01D / ;
U.S. Cl.
CPC ...
55 62 ; 55 75 ; 585826 ;
Abstract
A method for the removal of polymer from a straight-chain paraffin purge medium used in a monoolefin adsorption-desorption separation process comprising recycling a countercurrent purge step polymer containing straight-chain paraffin product for use as purge medium in the process without separation of polymer from the straight-chain paraffin and separating polymer from at least a portion of an adsorption step and a copurge step polymer containing straight-chain paraffin product and recycling the purified straight-chain paraffin for use as purge medium in the process.