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:
Jun. 25, 2013
Filed:
Jul. 13, 2009
Applicants:
Yuji Kimura, Tokyo, JP;
Yasushi Takai, Tokyo, JP;
Hirofumi Kawazoe, Tokyo, JP;
Inventors:
Assignee:
Shin-Etsu Chemical Co., Ltd., , JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C09K 11/08 (2006.01);
U.S. Cl.
CPC ...
Abstract
The present invention provides a production process for the production of an MAlO:Eu type long-lasting phosphor (M representing an alkaline earth metal). The process includes the steps of mixing a BAM (alkaline earth aluminate) phosphor with an alkaline earth compound and calcinating the resulting mixture.