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:
Oct. 26, 2004

Filed:

Apr. 16, 2002
Applicant:
Inventors:

Toshiaki Hotaka, Tokyo, JP;

Kazuma Hisaki, Tokyo, JP;

Ikkoh Furukawa, Tokyo, JP;

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B32B 1/900 ; B32B 1/902 ;
U.S. Cl.
CPC ...
B32B 1/900 ; B32B 1/902 ;
Abstract

A highly elaborately designed sheet-shaped laminated structure wherein: (1) the sheet-shaped laminated structure is a sheet-shaped laminated structure composed of at least two layers formed of a thermoplastic resin, (2) at least one outer layer forming a surface of said laminated structure is a layer (B) formed of a transparent resin, (3) at least one layer composing said laminated structure contains a dye, a pigment or a light-diffusing agent and has a monotonous thickness change at least in one direction of a sheet surface of the laminated structure, and (4) said laminated structure shows a continuous change in color tone along the sheet surface when visually observed toward an outer surface of the layer (B) formed of a transparent resin, and use thereof.


Find Patent Forward Citations

Loading…