Chemistry: electrical current producing apparatus – product – and – Current producing cell – elements – subcombinations and... – Include electrolyte chemically specified and method
Reexamination Certificate
2004-10-15
2011-12-27
Michener, Jennifer (Department: 1728)
Chemistry: electrical current producing apparatus, product, and
Current producing cell, elements, subcombinations and...
Include electrolyte chemically specified and method
C429S321000, C429S304000, C429S188000, C429S189000
Reexamination Certificate
active
08084160
ABSTRACT:
A method of purifying lithium sulfide wherein lithium sulfide obtained by reacting lithium hydroxide with hydrogen sulfide in an aprotic organic solvent is washed with an organic solvent at a temperature of 100° C. or higher. Impurities contained in lithium sulfide can be reduced by the method of purification.
REFERENCES:
patent: 6022640 (2000-02-01), Takada et al.
patent: 6455022 (2002-09-01), Delmas
patent: 6503473 (2003-01-01), Akiba
patent: 2004/0109940 (2004-06-01), Kugai et al.
patent: 1333575 (2002-01-01), None
patent: 7-330312 (1995-12-01), None
patent: 07330312 (1995-12-01), None
patent: 9-110404 (1997-04-01), None
patent: 9-278423 (1997-10-01), None
patent: 9-283156 (1997-10-01), None
patent: 9-301706 (1997-11-01), None
patent: 10-130005 (1998-05-01), None
patent: 2000273175 (2000-10-01), None
patent: 2003-68361 (2003-03-01), None
English transation of JP 07330312 (cited by applicants on IDS).
Database WPI Week 199727 Derwent Publications Ltd., London, GB; AN 1997-294617 XP002480255 & JP 09 110404 A (Furukawa Kikai Kinzoku KK) Apr. 28, 1997 (Abstract).
Office Action issued Dec. 15, 2010, in Japan Patent Application No. 2005-514938 (with partial English translation).
Office Action issued May 13, 2011 in Taiwan Patent Application No. 093132259.
Seino Yoshikatsu
Senga Minoru
Chan Heng
Idemitsu Kosan Co. Ltd.
Michener Jennifer
Oblon, Spivak McClelland, Maier & Neustadt, L.L.P.
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