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:
Dec. 03, 2002

Filed:

Nov. 15, 1999
Applicant:
Inventors:

Mitsuru Tsuchiya, Tokyo-To, JP;

Amane Koike, Tokyo-To, JP;

Takahiro Niimi, Tokyo-To, JP;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B32B 5/14 ; B32B 5/16 ;
U.S. Cl.
CPC ...
B32B 5/14 ; B32B 5/16 ;
Abstract

A hardcoat film is provided which can improve surface hardness and, at the same time, can prevent the hardcoat film per se from being damaged by stress concentration and is less likely to be scratched. The hardcoat film comprises: a transparent substrate; and a multi-layer hardcoat provided on at least one side of the transparent substrate, the multi-layer hardcoat layer comprising two or more hardcoats, the modulus of elasticity &sgr;m of a hardcoat provided closest to the transparent substrate being higher than the modulus of elasticity &sgr;s of a hardcoat provided as a surface layer.


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