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:
Oct. 07, 1980
Filed:
Sep. 18, 1978
Applicant:
Inventors:
Laszlo Kapolyi, Budapest, HU;
Geza Szentgyorgyi, Tatabanya, HU;
Gyorgy Vamos, Budapest, HU;
Jerzy Grzymek, Warsaw, PL;
Anna D Grzymek, Cracow, PL;
Stanislaw Bethke, Opole, PL;
Bronislaw Werynski, Opole, PL;
Assignee:
Tatabanyai Szenbanyak, Tatabanya, HU;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C04B / ;
U.S. Cl.
CPC ...
106100 ; 106103 ; 423119 ;
Abstract
A low grade aluminum and silicon containing starting material is intimately mixed with limestone and the resultant mixture is fluidized. The fluidized mixture is preheated to a temperature of 700.degree. to 900.degree. C., then held at sintering temperature for 5 to 10 minutes. Aluminum may be recovered by extraction of the sintered powder so produced.