Number | Date | Country | Kind |
---|---|---|---|
1041/93 | Apr 1993 | HUX |
Number | Name | Date | Kind |
---|---|---|---|
4077999 | Budai et al. | Mar 1978 | |
4477453 | Astoin et al. | Oct 1984 | |
4727074 | Budai et al. | Feb 1988 | |
5130487 | Budai et al. | Jul 1992 |
Entry |
---|
Astoin et al; Chem Abst. 99:175381 (1983). |