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:
Feb. 10, 1987
Filed:
Jun. 13, 1984
Applicant:
Inventors:
Ichiro Matsunaga, Tokyo, JP;
Hiroshi Sugai, Ibaragai, JP;
Assignee:
Sumitomo Metal Mining Co., Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G21F / ; G21F / ; C02F / ; C02F / ;
U.S. Cl.
CPC ...
252631 ; 210669 ; 210682 ; 210757 ; 252627 ; 423-2 ; 423-6 ; 423D / ;
Abstract
Hydrazine is added to low-level radioactive waste, and the waste is contacted with an iron hydroxide-cation exchange resin so that its radioactive concentration may be lowered. The resin is a strongly acid cation exchange resin treated with ferric chloride and aqueous ammonia and containing a product of hydrolysis of ferric ions.
Matsunaga, Ichiro. (1987). Method of treating low-level radioactive waste (U.S. Patent No. 4642203). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4642203
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile