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. 13, 1989
Filed:
Nov. 30, 1987
Applicant:
Inventors:
Claude Kertesz, Puy Sainte Reparade, FR;
Gerard Koehly, Bievres, FR;
Frank Josso, Villeneuve Les Avignon, FR;
Andre Bernard, Chatillon, FR;
Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G21F / ;
U.S. Cl.
CPC ...
252628 ; 106 90 ; 106 94 ; 106102 ;
Abstract
The present invention relates to a block for containing and storing radioactive waste, as well as to a process for producing such a block. In known manner, the waste is coated in a composite matrix constituted by hardened cement and epoxy resin. According to the invention, the proportion of waste is between 35 and 45% by weight, the porportion of cement between 25 and 35% by weight and the proportion of resin between 20 and 40% by weight.