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:
Nov. 12, 2013
Filed:
Mar. 12, 2004
Applicants:
Seiko Hirayama, Osaka, JP;
Keita Kobayashi, Osaka, JP;
Junya Ishii, Osaka, JP;
Mizuho Wada, Osaka, JP;
Shinji Nakahara, Osaka, JP;
Inventors:
Seiko Hirayama, Osaka, JP;
Keita Kobayashi, Osaka, JP;
Junya Ishii, Osaka, JP;
Mizuho Wada, Osaka, JP;
Shinji Nakahara, Osaka, JP;
Assignee:
Sakai Chemical Industry Co., Ltd., Osaka, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C09K 11/77 (2006.01);
U.S. Cl.
CPC ...
Abstract
It is an object of the present invention to provide an alkaline earth metal aluminate phosphor having good heat resistance and durability against vacuum ultraviolet rays and ultraviolet rays, among others, and a method of producing the same. An alkaline earth metal aluminate phosphor containing bivalent europium as an activator,