Title:
STAIN RESISTANT PROTECT FILM AND ADHESIVE SHEET HAVING THE SAME THEREON
Document Type and Number:
WIPO Patent Application WO/2003/013850
Kind Code:
A1
Abstract:
The present invention is to provide a stain resistant film that shows excellent stain resistance in a long period of time immediate after forming the film, which exhibits stain resistance in initial use (within one month after forming the film) and keeps the resistance from reduction thereof with time. A stain resistant protective film comprising (a) a base layer formed from a film-forming resin and containing a hydrophilic stain resistant agent therein, and (b) a-surface layer containing another hydrophilic stain resistant agent at least, remaining on the periphery of the surface, formed on the base layer (a).
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Inventors:
SAITOH TSUNEYOSHI (JP)
Application Number:
PCT/US2002/023856
Publication Date:
February 20, 2003
Filing Date:
July 25, 2002
Export Citation:
Assignee:
3M INNOVATIVE PROPERTIES CO (US)
SAITOH TSUNEYOSHI (JP)
SAITOH TSUNEYOSHI (JP)
International Classes:
C09J5/02; C09J7/29; (IPC1-7): B32B27/18; C09J7/02; C08J7/04
Foreign References:
| EP0671448A1 | 1995-09-13 | |||
| BE1004521A3 | 1992-12-08 | |||
| EP0653456A1 | 1995-05-17 |
Attorney, Agent or Firm:
Peters, Carolyn V. (MN, US)
VOSSIUS & PARTNER (No. 31) (Patentanwalte P.O. Box 86 07 67 München, DE)
VOSSIUS & PARTNER (No. 31) (Patentanwalte P.O. Box 86 07 67 München, DE)
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