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Patent Searching and Data


Title:
ULTRAVIOLET ABSORBING FILM AND PACKAGE USING THE FILM
Document Type and Number:
Japanese Patent JP2005305745
Kind Code:
A
Abstract:

To provide an ultraviolet absorbing film which absorbs ultraviolet rays of 410 nm or below in wavelength and to some extent absorbs a visible light short wavelength region, is prevented from being colored by printing using e.g. color inks, and has transparency to make contents and a contents display body be seen through the film.

The ultraviolet absorbing film is made of a polyolefin resin containing an ultraviolet absorber and includes at least an ultraviolet absorbing layer which absorbs ultraviolet rays 410 nm or shorter in wavelength and the light transmittance of which is 25% or below at 410 nm, 5% or below at 405 nm, and at least 45% at 600 nm or above.


Inventors:
MAEDA TOSHIYUKI
Application Number:
JP2004124010A
Publication Date:
November 04, 2005
Filing Date:
April 20, 2004
Export Citation:
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Assignee:
TOPPAN PRINTING CO LTD
International Classes:
B65D81/30; B32B27/18; B32B27/32; B65D65/20; (IPC1-7): B32B27/32; B32B27/18; B65D65/20; B65D81/30