Number | Date | Country | Kind |
---|---|---|---|
4133673 | Oct 1991 | DEX |
Number | Name | Date | Kind |
---|---|---|---|
4384881 | Kuyama et al. | May 1983 | |
4408055 | Forster et al. | Oct 1983 | |
4456466 | Krass et al. | Jun 1984 | |
4465504 | Forster et al. | Aug 1984 | |
4509971 | Forster et al. | Apr 1985 | |
4784682 | Forster et al. | Nov 1988 | |
4833243 | Forster et al. | May 1989 | |
5101034 | Schmidt | Mar 1992 |
Number | Date | Country |
---|---|---|
0037526 | Mar 1981 | EPX |
0037938 | Mar 1981 | EPX |
0062254 | Mar 1982 | EPX |
3724467 | Jul 1987 | DEX |
Entry |
---|
Chemical Abstracts, vol. 96, 1982, Entry 68984m (1982). |
Chemical Abstracts, vol. 96, 1982, Entry 52297d (1982). |