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. 14, 2025
Filed:
Mar. 15, 2021
Ohara Inc., Sagamihara, JP;
National University Corporation Nagaoka University of Technology, Nagaoka, JP;
National Institute of Technology, Hachioji, JP;
Sunao Chatani, Wakayama, JP;
Masahiko Inui, Wakayama, JP;
Motohiro Tagaya, Nagaoka, JP;
Takuya Kataoka, Nagaoka, JP;
Satoshi Motozuka, Kitakyusyu, JP;
OHARA INC., Sagamihara, JP;
NATIONAL UNIVERSITY CORPORATION NAGAOKA UNIVERSITY OF TECHNOLOGY, Nagaoka, JP;
NATIONAL INSTITUTE OF TECHNOLOGY, Tokyo, JP;
Abstract
The present invention provides a crystal of a europium compound containing europium. The present invention enables the preparation of a crystal of a europium compound having a powder X-ray diffraction pattern having a first diffraction peak in diffraction angle (2θ) range of 34.3° to 36.1° in which a half width of the first diffraction peak is 1.8° or less, and/or having a second diffraction peak in diffraction angle (2θ) range of 28.6° to 29.6° and a third diffraction peak in diffraction angle (2θ) range of 36.8° to 38.4° in which a half width of the second diffraction peak is 1.0° or less and a half width of the third diffraction peak is 1.6° or less, and