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. 06, 1981
Filed:
Nov. 27, 1979
Applicant:
Inventor:
Peter R Laurer, Ludwigshafen, DE;
Assignee:
BASF Aktiengesellschaft, , DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01J / ;
U.S. Cl.
CPC ...
252463 ; 423628 ;
Abstract
A process for the preparation of a very hard catalyst carrier from a mixture of aluminum oxides which in addition to .alpha.-Al.sub.2 O.sub.3 contains other modifications, preferably .gamma.-Al.sub.2 O.sub.3. The .alpha.-Al.sub.2 O.sub.3 is first pretreated with an acid, base and/or metal salt solution and is then mixed with the other aluminum oxides or their intermediates.