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. 30, 1980
Filed:
Mar. 26, 1979
Applicant:
Inventor:
Lothar H Brixner, West Chester, PA (US);
Assignee:
E. I. Du Pont de Nemours and Company, Wilmington, DE (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C09K / ; G01T / ;
U.S. Cl.
CPC ...
428539 ; 250483 ; 2523 / ; 428913 ;
Abstract
X-ray intensifying screen based on a rare earth tantalate phosphor, and process for preparing the phosphor, said phosphor having the monoclinic M' structure and selected from: