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:
Sep. 28, 1999
Filed:
Feb. 27, 1997
Applicant:
Inventors:
H G Lansink-Rotgerink, Glattbach, DE;
Heike Riedemann, Moembris, DE;
Thomas Tacke, Friedrichsdorf, DE;
Helmfried Krause, Rodenbach, DE;
Andreas Freund, Kleinostheim, DE;
Roland Burmeister, Geiselbach, DE;
Peter Panster, Rodenbach, DE;
Assignee:
Degussa Huls Aktiengesellschaft, Frankfurt, DE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07C / ; B01J / ;
U.S. Cl.
CPC ...
568896 ; 502 63 ;
Abstract
The use of modified silicon dioxide as a catalyst support in catalytic reactions under hydrothermal conditions is described. The pore structure of the supports may be stabilized against hydrothermal reaction conditions by impregnating the catalyst supports with elements of Group IVB of the Periodic Tube of Elements.