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. 09, 1978
Filed:
Dec. 08, 1976
Applicant:
Inventors:
Claude Gadelle, Rueil-Malmaison, FR;
Jean-Pierre Laloz, Marly le Roi, FR;
Irenee Seree de Roch, Rueil-Malmaison, FR;
Assignee:
Institut Francais du Petrole, Rueil-Malmaison, FR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01D / ;
U.S. Cl.
CPC ...
423210 ; 55 68 ; 55 72 ;
Abstract
Process for removing arsenic compounds and particularly arsine from gases containing the same, by treating said gases with a washing solution consisting either of an alkaline aqueous solution, containing a zinc or lead, salt or oxide and/or one or more salts of anthraquinone sulfonic or disulfonic acids, or of a solution in an organic solvent of at least one quinone compound in the presence of an amine or an ethanolamine.