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.

Date of Patent:
Sep. 23, 1980

Filed:

Dec. 19, 1978
Applicant:
Inventors:

Andre R Suys, Hove, BE;

Willy K Van Landeghem, Sint-Gillis-Waas, BE;

Assignee:

AGFA-GEVAERT N.V., Mortsel, BE;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C01T / ; C09K / ;
U.S. Cl.
CPC ...
250486 ; 250483 ; 25230136 ; 2523 / ;
Abstract

An X-ray image intensifying screen, which includes in a binder layer rare-earth oxyhalide phosphor particles that are in contact or admixed with an inorganic or organic substance or mixture of substances bringing about that the fluorescence power of said oxyhalide phosphor particles is less prone to be reduced by moisture, said substance being a non-phosphor substance or a phosphor substance other than calcium tungstate and producing hydroxyl ions when put in water, wherein the hydroxyl ion production power of said substance is such that when putting said substance in water at 25.degree. C. in an amount of 0.1 equivalent per liter a pH of at least 8.0 is obtained and the solubility in water of said substance is such that at least 0.05 g of said substance is soluble in 100 ml of water at 20.degree. C.


Find Patent Forward Citations

Suys, Andre. (1980). X-ray image intensifying screens comprising rare-earth oxyhalide (U.S. Patent No. 4224524). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4224524

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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