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. 17, 2001
Filed:
Aug. 07, 2000
Applicant:
Inventors:
Norbert Von Thienen, Hamburg, DE;
Hansjörg Sinn, Norderstedt, DE;
Assignee:
Sud-Chemie AG, Munich, DE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C01F 7/30 ;
U.S. Cl.
CPC ...
C01F 7/30 ;
Abstract
A process for the production of an aluminum oxide composition which includes subjecting an aluminoxane with a basic structural element of —Al—O—Al— or a basic oligomeric structural element of —Al—O—Al—O—Al—O—Al— to mild hydrolysis with at least one inert gas moistened below its dew point to produce a composition and subjecting the composition to thermolysis at temperatures from about 300 to about 900° C.