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:
May. 08, 1990
Filed:
Jun. 26, 1989
Applicant:
Inventor:
Scott A Bottelberghe, Port Allen, LA (US);
Assignee:
Ethyl Corporation, Richmond, VA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07F / ;
U.S. Cl.
CPC ...
556179 ;
Abstract
Alkylaluminoxanes are made in a continuous process by feeding an inert solvent solution of an alkyl aluminum compound and a water/inert solvent emulsion to a first reaction vessel maintained at about -20.degree. to 30.degree. C. and transferring reaction mixture to a second reaction zone at a rate which maintains a constant liquid level in the first reaction vessel and results in an average residence time of about 1-60 minutes.