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:
Feb. 10, 1998
Filed:
Oct. 23, 1996
Applicant:
Inventors:
James R Cox, Monroeton, PA (US);
Joseph A Cooper, Atlanta, GA (US);
Cheryl M Forster, Granville, OH (US);
Barry G DeBoer, Ulster, PA (US);
Vaddi Butchi Reddy, Sayre, PA (US);
Ronald E Karam, Towanda, PA (US);
Assignee:
Osram Sylvania Inc., Danvers, MA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C09K / ;
U.S. Cl.
CPC ...
2523 / ; 423593 ; 423263 ;
Abstract
Phosphor lag was reduced to acceptable levels in high lag monoclinic M' yttrium tantalate x-ray phosphors through the addition of minor amounts europium to the phosphors. In particular, europium was added to yttrium tantalate phosphors containing terbium and to phosphors formulated with a stoichiometric excess of yttrium.
Cox, James. (1998). Reduction of lag in yttrium tantalate x-ray phosphors (U.S. Patent No. 5716546). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5716546
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile