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:
Apr. 30, 2024
Filed:
Dec. 05, 2018
Applicant:
Mitsui Mining & Smelting Co., Ltd., Tokyo, JP;
Inventors:
Yoshihiro Yoneda, Ageo, JP;
Kazuhiko Kato, Ageo, JP;
Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C01B 25/45 (2006.01); C08K 3/32 (2006.01); C08L 101/00 (2006.01); G02B 5/02 (2006.01);
U.S. Cl.
CPC ...
C01B 25/45 (2013.01); C08K 3/32 (2013.01); C08L 101/00 (2013.01); G02B 5/0242 (2013.01); C01P 2002/70 (2013.01);
Abstract
A rare earth phosphate particle containing a rare earth element A, where A is Sc, Y, La, Eu, Gd, Dy, Yb, or Lu, and a rare earth element B different from the element A, where B is Sc, Y, La, Eu, Gd, Dy, Yb, or Lu. The phosphate of the element A is preferably crystalline, with at least part of the element B dissolved in the phosphate of the element A in a solid state. The phosphate of the element A preferably has a xenotime or monazite crystal structure.