Number | Date | Country | Kind |
---|---|---|---|
43 00 598.5 | Jan 1993 | DEX |
Number | Name | Date | Kind |
---|---|---|---|
2188007 | Kistler | Jan 1940 | |
2945817 | Goldblum | Jul 1960 | |
4058483 | Henbest | Nov 1977 | |
4155772 | Birchall et al. | May 1979 | |
4221672 | McWilliams | Sep 1980 | |
4263268 | Knox et al. | Apr 1981 | |
4432956 | Zarzycki et al. | Feb 1984 | |
4447345 | Kummermehr et al. | May 1984 | |
4472510 | January | Sep 1984 | |
4667417 | Graser et al. | May 1987 | |
5275796 | Tillotson et al. | Jan 1994 |
Number | Date | Country |
---|---|---|
3525802 | Jan 1987 | DEX |
Entry |
---|
Derwent Publications Ltd., Week 9209, AN 92-068677 (English abstract of JP-A 4012014). (1992). |