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. 02, 1999
Filed:
Apr. 24, 1997
Applicant:
Inventors:
Dominique Commereuc, Meudon, FR;
Yves Chauvin, Le Pecq, FR;
Francedilla.ois Hugues, Vernaison, FR;
Yves Glaize, Saint Symphorien D'Ozon, FR;
Assignees:
Institut Francais du Petrole, Cedex, FR;
Saudi Basic Industries Corporation, Riyadh, SA;
Primary Examiner:
Int. Cl.
CPC ...
C07C / ;
U.S. Cl.
CPC ...
585513 ; 585512 ; 585524 ;
Abstract
The invention concerns an improved process for the conversion of ethylene into butene-1, wherein the ethylene is brought into contact with a catalyst obtained by the reaction of an alkyl titanate, possibly mixed with an ether, with a compound of aluminium of the formula AlR.sub.3 or AlR.sub.2 H, and in the presence of an additive formed by at least one quaternary ammonium salt.