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:
Jul. 25, 2000
Filed:
Dec. 02, 1997
Applicant:
Inventors:
Michael Bredol, Aachen, DE;
Jacqueline Merikhi, Aachen, DE;
Assignee:
U.S. Philips Corporation, New York, NY (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B32B / ; C09K / ;
U.S. Cl.
CPC ...
428403 ; 2523 / ;
Abstract
A phosphor composition of a sulphide-containing phosphor with a coating comprising a hydroxycarboxylic acid can be stored as a dry substance in the desagglomerated state and can be readily resuspended.