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:
Jul. 14, 1998
Filed:
Jun. 17, 1997
Applicant:
Inventors:
Ronny Wen-Long Lin, Baton Rouge, LA (US);
Richard Andrew Holub, Baton Rouge, LA (US);
Richard Neil Hollenshead, Houston, TX (US);
Assignee:
Amoco Corporation, Chicago, IL (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
C07C / ; C07C / ;
U.S. Cl.
CPC ...
585328 ; 585522 ; 585637 ; 556187 ; 556190 ;
Abstract
A process for deactivating a nickel, cobalt, or nickel and cobalt displacement catalyst during a reaction wherein an alkyl group is displaced from a trialkyl aluminum compound in a reaction mixture containing said catalyst is disclosed. The process involves adding a deactivating amount of a catalyst poison containing silver, silver compounds, silver complexes, thallium, thallium compounds, thallium complexes, or mixtures thereof to the reaction mixture after the displacement has proceeded to the desired extent.