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:
Mar. 23, 1993
Filed:
Apr. 25, 1991
Applicant:
Inventors:
Anil K Agrawal, Princeton Junction, NJ (US);
Frederick C Loveless, Yardley, PA (US);
Assignee:
Mobil Oil Corporation, Fairfax, VA (US);
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07C / ; C07C / ;
U.S. Cl.
CPC ...
585860 ; 585525 ; 585531 ; 585532 ;
Abstract
The process of the present invention relates to a simplified method for the removal of halogen containing catalytic residues from olefin polymerization products. More specifically, the present invention employs as a treating agent, a quaternary ammonium salt, to facilitate removal of greater than 95% of catalytic residues in a single caustic or water wash with less than 15 minutes of settling time required after the wash.