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:
Feb. 08, 1983
Filed:
Mar. 02, 1981
Applicant:
Inventors:
Friedrich Wunder, Florsheim, DE;
Ernst I Leupold, Neu-Anspach, DE;
Horst Hachenberg, Walluf, DE;
Hans-Joachim Schmidt, Konigstein, DE;
Klaus Unger, Seeheim-Jugenheim, DE;
Assignee:
Hoechst Aktiengesellschaft, Frankfurt am Main, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01J / ;
U.S. Cl.
CPC ...
2524 / ;
Abstract
The process according to the invention comprises silanizing an aluminum silicate and then heating the product to 300.degree. to 600.degree. C. in the presence of oxygen or of gases containing oxygen. A highly selective catalyst which can be regenerated very many times is thereby obtained.