Number | Date | Country | Kind |
---|---|---|---|
96114390 | Sep 1996 | EPX | |
97114246 | Aug 1997 | EPX |
Number | Name | Date | Kind |
---|---|---|---|
4017631 | Janssen | Apr 1977 | |
4243670 | Regel | Jan 1981 | |
4251540 | Regel et al. | Feb 1981 | |
4267179 | Heeres | May 1981 | |
4404216 | Richardson | Sep 1983 | |
4497819 | Rentzea | Feb 1985 | |
4861879 | Heeres | Aug 1989 | |
5128351 | Wissner | Jul 1992 | |
5648372 | Naito et al. | Jul 1997 |
Number | Date | Country |
---|---|---|
130 366 | Jan 1985 | EPX |
0 130 366 | Jan 1985 | EPX |
667 346 A2 | Aug 1995 | EPX |
1519132 | Mar 1968 | FRX |
1 519 132 | Jul 1968 | FRX |
8015323 | Jan 1982 | FRX |
2 486 079 | Jan 1982 | FRX |
2 531 031 | Jan 1977 | DEX |
3 217 963 | Nov 1983 | DEX |
Entry |
---|
Wang, Z., et al., Progress in Natural Science, 2(6):505-511 (Dec., 1992). |
Derwent Abstract No. 1784969. (1977. |
Derwent Abstract No. 4162120. (1985). |
Derwent Abstract No. 541788. (1968). |
Derwent Abstract No. 3464286. (1982). |