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:
Sep. 16, 1997
Filed:
Jul. 03, 1995
Applicant:
Inventor:
Denis Huguenin, Asnieres-Sur-Seine, FR;
Assignee:
Rhone-Poulenc Chimie, Courbevoie Cedex, FR;
Primary Examiner:
Int. Cl.
CPC ...
H01J / ;
U.S. Cl.
CPC ...
2523 / ; 445 24 ; 313483 ; 313503 ; 345 45 ; 345 74 ; 345 76 ;
Abstract
Particulates of a luminophore comprising a doped tantalate of yttrium, lutetium or gadolinium are well suited for low-voltage applications, e.g., for the manufacture of field emission display screens.