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. 03, 1996
Filed:
Jun. 05, 1995
Applicant:
Inventors:
James W Smith, Toronto Ontario, CA;
David T Ellenor, Pickering, Ontario, CA;
John N Harbinson, Scarborough, Ontario, CA;
Assignee:
Other;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C01B / ; B05B / ;
U.S. Cl.
CPC ...
210750 ; 210758 ; 210787 ; 261 84 ; 423224 ; 4232421 ;
Abstract
Viscous liquids, such as liquid sulfur and bitumen asphalt are contacted with gases to strip absorbed gases from the viscous liquid and/or transfer gaseous components into the viscous liquid using a shrouded impeller combination immersed in the viscous liquid. The invention has particular application to the stripping of hydrogen sulfide and hydrogen polysulfides from liquid sulfur using an oxidizing gas.