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:
Oct. 20, 1992
Filed:
Apr. 02, 1990
Applicant:
Inventors:
Kaung-Far Lin, Baton Rouge, LA (US);
William H Beaver, Baton Rouge, LA (US);
Neal J Colonius, Baton Rouge, LA (US);
William B Waites, Baton Rouge, LA (US);
Assignee:
Ethyl Corporation, Richmond, VA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C / ;
U.S. Cl.
CPC ...
585512 ; 585511 ; 585522 ;
Abstract
An improved process for making olefins from a lower olefin such as ethylene and an alkyl aluminum by chain growth employes a butene displacement reaction using mixing device such as a static mixer which permits efficient operation of the displacement reaction at moderate pressures where the reactants form a two-phase vapor-liquid system or a vapor system.