Number | Date | Country | Kind |
---|---|---|---|
4128511 | Aug 1991 | DEX |
Number | Name | Date | Kind |
---|---|---|---|
3504998 | Speier | Apr 1970 | |
3512915 | Speier | May 1970 | |
4505714 | Omura et al. | Mar 1985 | |
4693725 | Yamauchi et al. | Sep 1987 | |
4812558 | Omura et al. | Mar 1989 |
Number | Date | Country |
---|---|---|
73267 | Mar 1983 | EPX |
3405204 | Aug 1984 | DEX |
836647 | Jun 1960 | GBX |
9013604 | Nov 1990 | WOX |
Entry |
---|
Hashizume et al., Chemical Abstracts, vol. 62, 1965, Abstract 16422g. |