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Title:
FLOOD ELECTRIC SWITCH AND METHOD FOR PREPARATION THEREOF
Document Type and Number:
WIPO Patent Application WO/2002/058090
Kind Code:
A1
Abstract:
A flood electric switch which does not conduct electricity in the absence of a dielectric liquid such as water and conducts electricity in the presence of a dielectric liquid, characterized in that it comprises a modified copolymer comprising a copolymer containing acrylonitrile and at least one of styrene and/or a conjugated diene as constituent units and an acidic group introduced into the copolymer, and a plurality of electroconductive electrodes.

Inventors:
OHKI HIROSHI (JP)
WATANABE HARUO (JP)
INAGAKI YASUHITO (JP)
NOGUCHI TSUTOMU (JP)
Application Number:
PCT/JP2002/000356
Publication Date:
July 25, 2002
Filing Date:
January 18, 2002
Export Citation:
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Assignee:
SONY CORP (JP)
OHKI HIROSHI (JP)
WATANABE HARUO (JP)
INAGAKI YASUHITO (JP)
NOGUCHI TSUTOMU (JP)
International Classes:
C08F8/00; C08K3/22; C08L9/02; C08L25/12; C08L55/02; H01H1/029; H01H35/18; H01H35/42; C08K3/04; (IPC1-7): H01H1/02; C08F8/00; C08L9/02; C08K3/04; C08K3/22; C08L55/02; C08L33/20; C08L25/08
Foreign References:
JPH10249193A1998-09-22
JPH10249194A1998-09-22
JPH10249195A1998-09-22
JPH10180123A1998-07-07
JPS60229904A1985-11-15
Other References:
See also references of EP 1286372A4
Attorney, Agent or Firm:
Koike, Akira (6-4 Toranomon 2-chome Minato-ku, Tokyo, JP)
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