About 88 results
https://drivepatents.com/patents/1091754 · 19 Nov 2003
A ventilation member (1) having: a breathable film (4) transmitting gas passing through an opening portion (8) of a housing (7) in a state in which the breathable film (4) is fixed to the opening portion (8); and a support (2) including a supporting portio...
https://drivepatents.com/patents/1095824 · 28 May 2003
A battery highly inhibited from suffering self-discharge. The battery is characterized by containing a built-in polymer which has in the molecule a carbodiimide unit represented by the following formula (I): -Ä-R-N=C=N-Ün- (wherein R means an organic gro...
https://drivepatents.com/patents/1100818 · 30 Oct 2002
The invention provides a fuel cell which comprises a solid polymer electrolyte sandwiched between a cathode to which an oxidizing agent gas is supplied and an anode to which a reducing agent gas is supplied, wherein at least one of the electrodes has an el...
https://drivepatents.com/patents/1104596 · 15 May 2002
A separator capable of inhibiting the self-discharge of a battery. The separator is a battery separator obtained by applying a polymer having in the molecule a carbodiimide unit represented by the following formula (I): -Ä-R-N=C=N-Ün- (wherein R means an...
https://drivepatents.com/patents/1108637 · 14 Nov 2001
To provide a microporous film having excellent permeability and mechanical strength as well as excellent SD function at low temperatures and film-breaking resistance at high temperatures. A microporous film made of a resin composition at least comprising 1...
https://drivepatents.com/patents/1111853 · 4 Jul 2001
A microporous film which is excellent in permeability and mechanical strength and has breakage resistance at high temperatures; a separator for a nonaqueous-electrolyte battery which comprises the microporous film; and a nonaqueous-electrolyte battery empl...
https://drivepatents.com/patents/1112883 · 23 May 2001
There are provided a porous film comprising a polymer composition comprising (a) a polymer having C=C double bond and an aliphatic ring having 5 to 10 carbon atoms in a main chain thereof; and (b) another resin; a porous film, wherein all or a part of C=C ...
https://drivepatents.com/patents/1112818 · 23 May 2001
The present invention provides a compact and inexpensive air-permeable cap and an outdoor lamp, automobile lamp and automobile electrical component comprising such an air-permeable cap. A novel air-permeable cap is provided comprising a closed-end cylindri...