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:
Jan. 10, 1995
Filed:
Mar. 08, 1993
Applicant:
Inventors:
Lothar H Brixner, West Chester, PA (US);
August Ferretti, Wilmington, DE (US);
Assignee:
E. I. du Pont de Nemours and Company, Wilmington, DE (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C09K / ;
U.S. Cl.
CPC ...
428691 ; 428690 ; 2504831 ; 2523 / ; 2523 / ; 423155 ;
Abstract
A europium-doped barium fluorohalide photostimulable phosphor comprises an amount of oxygen sufficient to create a concentration of anion vacancies effective to substantially increase the stored photostimulable energy, compared to a non-oxygen-treated phosphor.