Chemistry: electrical current producing apparatus – product – and – Current producing cell – elements – subcombinations and... – Separator – retainer or spacer insulating structure
Reexamination Certificate
2005-05-24
2005-05-24
Yuan, Dah-Wei (Department: 1745)
Chemistry: electrical current producing apparatus, product, and
Current producing cell, elements, subcombinations and...
Separator, retainer or spacer insulating structure
C429S129000, C429S134000
Reexamination Certificate
active
06896994
ABSTRACT:
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):in-line-formulae description="In-line Formulae" end="lead"?—[—R—N═C═N—]n— (I)in-line-formulae description="In-line Formulae" end="tail"?(wherein R means an organic group and n means an integer of 1 to 10,000) to a porous sheet substrate.
REFERENCES:
patent: 5093214 (1992-03-01), Saito et al.
patent: 5389471 (1995-02-01), Kung
patent: 5416149 (1995-05-01), Amano et al.
patent: 0805172 (1997-05-01), None
patent: 0 805 172 (1997-11-01), None
patent: 0 935 303 (1999-08-01), None
patent: 0 937 811 (1999-08-01), None
patent: 1 059 348 (2000-12-01), None
patent: 1059348 (2000-12-01), None
patent: 2-98004 (1990-04-01), None
patent: 4-167355 (1992-06-01), None
patent: 6-16907 (1994-01-01), None
patent: 10-294129 (1998-11-01), None
patent: 11-238496 (1999-08-01), None
patent: 2000-223106 (2000-08-01), None
International Search Report.
Wiff, D.R. , et al., “Polycarbodiimide and polyimide/cyanate thermoset in situ molecular composites”, J. Mater. Res., vol. 13, No. 7, Jul. 1998.
Patent Abstracts of Japan—2000223106 (Aug. 11, 2000).
European Search Report dated Nov. 27, 2002.
Abe Masao
Kii Keisuke
Kishii Yutaka
Misumi Sadahito
Urairi Masakatsu
Nitto Denko Corporation
Sughrue & Mion, PLLC
Yuan Dah-Wei
LandOfFree
Battery separator containing carbodiimide polymer does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Battery separator containing carbodiimide polymer, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Battery separator containing carbodiimide polymer will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-3385932