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:
Jun. 25, 2002
Filed:
Mar. 01, 2000
Applicant:
Inventors:
Kenneth D. Hope, Kingwood, TX (US);
Ting C. Ho, Kingwood, TX (US);
David L. Archer, Decatur, AL (US);
Russell J. Bak, The Woodlands, TX (US);
J. Barry Collins, New Caney, TX (US);
Doug W. Burns, Kingwood, TX (US);
Assignee:
Chevron Phillips Chemical Company LP, Houston, TX (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C 2/08 ; C07C 7/00 ;
U.S. Cl.
CPC ...
C07C 2/08 ; C07C 7/00 ;
Abstract
In a process for the oligomerization of alpha olefins using a boron trifluoride/alcohol catalyst complex a method for recovering the boron trifluoride from the product stream which comprises lowering the pressure of the product stream to flash off excess boron trifluoride, mixing the boron trifluoride with fresh alcohol to form fresh boron trifluoride/alcohol catalyst complex, and introducing the fresh catalyst back into the oligomerization reactor.