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. 19, 2014
Filed:
Oct. 19, 2010
Applicants:
Maxime Faure, Grenoble, FR;
Christian Cloue, Gardanne, FR;
John Macleod, Fort William, GB;
Inventors:
Assignee:
Rio Tinto Alcan International Limited, Montreal, Quebec, CA;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C25C 3/22 (2006.01);
U.S. Cl.
CPC ...
Abstract
The process involves pouring a smothering powder onto a spent anode placed on a support to cover it, with the aim of limiting fluorinated gas emission by the anode. The support may include a temporary tank, pre-filled with powder and provided with an opening for discharging the powder towards the anode on the support.