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:
Jun. 30, 1981
Filed:
Jul. 27, 1979
Applicant:
Inventors:
Didier Brun, Le Chesnay, FR;
Gerard Chrysostome, Fresnes, FR;
Alain Feugier, Orgeval, FR;
Bernard Sale, Louveciennes, FR;
Assignees:
Institut Francais du Petrole, Rueil-Malmaison, FR;
Societe Heurtey Efflutherm, Rueil-Malmaison, FR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C01G / ; C01G / ; C01G / ;
U.S. Cl.
CPC ...
423-1 ; 423 62 ; 423 68 ; 423138 ; 423150 ;
Abstract
The process comprises oxidation of alkali-metal-containing carbonaceous products at a temperature of at least 800.degree. C. in a fluidized bed of fire-proof particles capable of trapping or fixing the metal elements.