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:
Aug. 31, 1999
Filed:
Jul. 14, 1997
Applicant:
Inventors:
Mark Philip Taylor, Bristol, GB;
Peter Leslie Timms, Bristol, GB;
Assignee:
The BOC Group plc, Windlesham, GB;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01D / ; B01D / ;
U.S. Cl.
CPC ...
423210 ; 4232452 ;
Abstract
A process for the scrubbing of species of an element of Group 3, 4 and 5(b) of the Periodic Table from a gas stream. The process comprises contacting the gas stream with an aqueous solution of hydrofluoric acid (HF) or a solution containing the hydrogen fluoride ion HF.sub.2.sup.- and an oxidizing agent.