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Patent Searching and Data


Title:
PEEPING PREVENTIVE FILM FOR INFORMATION DISPLAY, AND PROCESS FOR PRODUCING THE SAME
Document Type and Number:
WIPO Patent Application WO/2007/049513
Kind Code:
A1
Abstract:
This invention provides a peeping preventive film (100) comprising one or more coloring resin layers (1) having affinity for a sublimable dyeing agent. A colored part (50) is provided in the coloring resin layer (1) by penetrating the sublimable dyeing agent by heating into the resin layer. The coloring resin layer (1) has a colored shape defined by a deeply colored part area with a noncolored part area or a combination of a deeply colored part area with a lightly colored part area. The deeply colored part area has a colored thickness of not less than 3 μm from the surface in the thicknesswise direction of the inside of the coloring resin layer (1). The above constitution can provide a peeping preventive film, which has a peeping preventive function, can also form any desired transparent colored image in an on-demand manner, has a high level of design, and, at the same time, can be produced in both a continuous form and a single plate form, and can be produced with high productivity, and a process for producing the same.

Inventors:
YUKAWA, Shigeo (())
湯川重男 (())
Application Number:
JP2006/320933
Publication Date:
May 03, 2007
Filing Date:
October 20, 2006
Export Citation:
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Assignee:
KIWA CHEMICAL INDUSTRY CO., LTD. (33 Minamitanabe-cho, Wakayama-shi Wakayama, 54, 6408254, JP)
紀和化学工業株式会社 (〒54 和歌山県和歌山市南田辺丁33番地 Wakayama, 6408254, JP)
YUKAWA, Shigeo (())
International Classes:
G09F9/00; B41J2/01; B41M5/00; G02B5/00; G02F1/1335
Foreign References:
JP2005062208A
JP2004042614A
JP2003131202A
JP2004361801A
JPH1097198A
JP2005506228A
Attorney, Agent or Firm:
IKEUCHI SATO & PARTNER PATENT ATTORNEYS (26th Floor, OAP TOWER 8-30, Tenmabashi 1-chome, Kita-k, Osaka-shi Osaka 26, 5306026, JP)
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