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:
May. 02, 2006
Filed:
Dec. 12, 2001
Applicants:
Michael Bender, Ludwigshafen, DE;
Hans Jörg Wilfinger, Schifferstadt, DE;
Albert Schenkel, Ludwigshafen, DE;
Inventors:
Michael Bender, Ludwigshafen, DE;
Hans Jörg Wilfinger, Schifferstadt, DE;
Albert Schenkel, Ludwigshafen, DE;
Assignee:
BASF Aktiengesellschaft, Ludwigshafen, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C01B 21/087 (2006.01);
U.S. Cl.
CPC ...
Abstract
A process for the continuous preparation of hydroxylammonium salts by catalytic reduction of nitrogen monoxide by means of hydrogen in a dilute aqueous solution of mineral acid in a plurality of reaction stages connected in series comprises