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. 17, 1998
Filed:
May. 22, 1996
Gregory M Smith, Danbury, CT (US);
Dennis B Malpass, La Porte, TX (US);
Akzo Nobel NV, Arnhem, NL;
Abstract
The present invention relates to a process for forming a composition comprising oligomeric alkylaluminoxane, e.g., preferably methylaluminoxane, and moieties having the structure--OC(R).sub.3, where R is, for example, methyl, which comprises initially treating a composition comprising trialkylaluminum with a reagent containing a carbon-oxygen double bond, such as, carbon dioxide, followed by hydrolysis of the resulting composition with water. Another embodiment of the invention a composition comprising oligomeric methylaluminoxane and greater than 10 mole % of moieties of the structure --OC(R).sub.3, where R is methyl, which, when such composition is hydrolyzed, there is an evolution of hydrolysis products of methane and at least one C.sub.2 or higher alkane, such as t-butane.