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. 13, 1979
Filed:
Oct. 25, 1978
Applicant:
Inventors:
Katsuo Murakami, Kamakura, JP;
Mitsuoki Otani, Kamakura, JP;
Hiroshi Ito, Kamakura, JP;
Kenzo Awazu, Amagasaki, JP;
Sumiaki Ibuki, Kamakura, JP;
Toshiyuki Takeda, Tokyo, JP;
Assignee:
Mitsubishi Denki Kabushiki Kaisha, Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
C09K / ;
U.S. Cl.
CPC ...
2523 / ; 2523 / ;
Abstract
A fluorescent material is an alkaline earth metal boron phosphate activated by a divalent europium compound having the formula m(Sr.sub.1-x-y-p Ba.sub.x Ca.sub.y Eu.sub.p O).multidot.(1-n)P.sub.2 O.sub.5 nB.sub.2 O.sub.3 wherein parameters x, y, p, m and n are respectively in the ranges: