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. 10, 1984
Filed:
Aug. 04, 1982
Applicant:
Inventors:
Willem J van der Wal, Utrecht, NL;
John W Geus, Bilthoven, NL;
Assignee:
VEG Gasinstituut N.V., Apeldoorn, NL;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01J / ;
U.S. Cl.
CPC ...
502338 ; 502258 ; 502336 ; 502406 ;
Abstract
Process for the preparation of an iron(III) oxide catalyst or absorbent, in which the iron is precipitated from an iron salt solution by means of hydroxyl ions in the presence of a carrier, the charged carrier is dried and optionally calcined and optionally reduced, a solution of an iron(III) salt being introduced with vigorous stirring below the surface of the suspension of the carrier, the pH of the suspension is maintained between 4 and 7 and the charged carrier is separated from the solution.