Stock material or miscellaneous articles – Structurally defined web or sheet – Including aperture
Patent
1989-03-17
1990-08-28
Robinson, Ellis P.
Stock material or miscellaneous articles
Structurally defined web or sheet
Including aperture
428141, 428220, 428174, 47 26, 47 29, 47DIG6, 425179, 425913, B32B 310, B32B 330, A01G 1302
Patent
active
049524437
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.
REFERENCES:
patent: 4134875 (1979-01-01), Tapia
Robinson Ellis P.
Rucker Susan S.
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