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:
Aug. 28, 1990
Filed:
Mar. 17, 1989
Applicant:
Inventor:
Philippe Gravisse, 75015 Paris, FR;
Assignee:
Other;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B32B / ; B32B / ; A01G / ;
U.S. Cl.
CPC ...
428131 ; 428141 ; 428220 ; 428174 ; 47 26 ; 47 29 ; 47DI / ; 425179 ; 425913 ;
Abstract
The present invention relates to a covering element comprising (i) an organic matrix and (ii) luminescent doping materials, scintillating doping materials or mixtures thereof, which form at least one light cascade absorbing electromagnetic radiation in at least one first predetermined wavelength band in order to re-emit the same in at least one second predetermined wavelength band; and (iii) a diffusing material.