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. 20, 1994
Filed:
Nov. 09, 1992
Applicant:
Inventors:
Gerard De Soete, Colombes, FR;
Leon Ninane, Dombasle-Sur-Meurthe, FR;
Jean-Marie Blondel, Villers Les Nancy, FR;
Assignee:
Solvay (Societe Anonyme), Brussels, BE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C01D / ; C01D / ;
U.S. Cl.
CPC ...
4232391 ; 42324408 ;
Abstract
Process for purifying a gas containing nitric oxide, in which a gas containing oxygen and sulphur dioxide is used and the gas is treated with sodium carbonate hydrate at a temperature of between 320 and 500K.