Number | Date | Country | Kind |
---|---|---|---|
4045/91 | Dec 1991 | HUX |
Number | Name | Date | Kind |
---|---|---|---|
3969147 | Croissant et al. | Jul 1976 | |
4650680 | Brenner et al. | Mar 1987 | |
4857424 | Larsen | Aug 1989 | |
4925747 | Kordesch et al. | May 1990 | |
4957827 | Kordesch et al. | Sep 1990 | |
5043234 | Tomantschger et al. | Aug 1991 | |
5069988 | Tomantschger et al. | Dec 1991 |
Number | Date | Country |
---|---|---|
0481338 | Apr 1992 | EPX |
Entry |
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"Das (ubervundene) Quecksibberproblem der Primarzellentechinik" Dechema-Monographien Band 124, VCH Verlagsgesellschaft 1991, pp. 375-388. |
Chemical Abstracts, vol. 104, No. 20, issued May 19, 1986, Columbus, Ohio, U.S.A., Teraoka Hirohito et al. "Mercury free alkaline batteries" p. 529, column 2, the abstract-No. 176 606g Jpn Kokai Tokkyo Koho JP 60,221,957. |