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:
Nov. 11, 1986
Filed:
Mar. 25, 1983
Applicant:
Inventors:
Shin Tamata, Hitachi, JP;
Susumu Horiuchi, Hitachi, JP;
Assignee:
Hitachi, Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G21F / ; C04B / ; C09D / ;
U.S. Cl.
CPC ...
252628 ; 106 74 ; 106 76 ; 106 85 ; 106 89 ; 252633 ;
Abstract
A process for solidifying a radioactive waste by using an alkali silicate composition prepared by using as silicate source amorphous reactive silica obtained from acid earth by acid treatment as solidifying agent can give a solidified body excellent in weather resistance for a long period of time and excellent in resistance to leaching of radioactive materials with a low cost.