Title:
COMPOSITE FILM
Document Type and Number:
WIPO Patent Application WO/1999/022936
Kind Code:
A1
Abstract:
A composite film which comprises a film (A) formed of a ring-structure polymer having repeating units formed by the ring-opening type or addition type polymerization of a ring-structure monomer and a film (B) formed of a polycondensation type polymer and wherein at least two layers are adjacent to each other directly or via an adhesive layer.
Inventors:
WAKIZAKA YASUHIRO (JP)
SAKAMOTO KEI (JP)
SAKAMOTO KEI (JP)
Application Number:
PCT/JP1998/004949
Publication Date:
May 14, 1999
Filing Date:
November 02, 1998
Export Citation:
Assignee:
NIPPON ZEON CO (JP)
WAKIZAKA YASUHIRO (JP)
SAKAMOTO KEI (JP)
WAKIZAKA YASUHIRO (JP)
SAKAMOTO KEI (JP)
International Classes:
B32B27/08; C08L65/00; B32B27/00; C08L87/00; H01B3/30; H05K1/03; H05K1/02; (IPC1-7): B32B27/00; B32B15/08
Foreign References:
| JPS5272780A | 1977-06-17 | |||
| JPH04185331A | 1992-07-02 | |||
| JPH09123351A | 1997-05-13 |
Other References:
See also references of EP 1025989A4
Attorney, Agent or Firm:
Nishikawa, Shigeaki (Higashi-Nippori 3-chome Arakawa-ku Tokyo, JP)
Download PDF: