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. 14, 2023
Filed:
Dec. 31, 2019
Applicant:
Japan Atomic Energy Agency, Ibaraki, JP;
Inventors:
Assignee:
JAPAN ATOMIC ENERGY AGENCY, Ibaraki, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01J 20/04 (2006.01); C01B 25/16 (2006.01);
U.S. Cl.
CPC ...
B01J 20/048 (2013.01); C01B 25/16 (2013.01); C01P 2002/70 (2013.01); C01P 2002/82 (2013.01); C01P 2004/04 (2013.01); C01P 2004/61 (2013.01); C01P 2004/62 (2013.01);
Abstract
A carbonate apatite highly containing carbonate groups, having excellent heavy metal adsorption capacity is provided. The carbonate apatite contains not less than 15.6% by weight carbonate groups, preferably contains at least one of copper (Cu), zinc (Zn), strontium (Sr), magnesium (Mg), potassium (K), iron (Fe), and sodium (Na), and preferably has a Ca/P molar ratio of not less than 1.5.