Number | Date | Country | Kind |
---|---|---|---|
3713337 | Apr 1987 | DEX | |
3803703 | Feb 1988 | DEX |
Number | Name | Date | Kind |
---|---|---|---|
3987102 | Karrer | Oct 1976 | |
4061683 | Karrer | Dec 1977 | |
4069344 | Karrer | Jan 1978 | |
4094989 | Karrer | Jun 1978 | |
4123556 | Karrer | Oct 1978 | |
4153731 | Karrer | May 1979 | |
4172146 | Karrer | Oct 1979 | |
4227914 | Fory et al. | Oct 1980 | |
4254262 | Koike et al. | Mar 1981 | |
4268678 | Diana et al. | May 1981 | |
4447259 | Ohyama et al. | May 1984 | |
4451476 | Diana | May 1984 | |
4722934 | Matsumoto et al. | Feb 1988 |
Number | Date | Country |
---|---|---|
2516331 | Nov 1975 | DEX |
Entry |
---|
Derwent Abstract for JP55/124460 (9/25/80). |
Derwent Abstract for JP57/175177 (10/28/82). |
Derwent Abstract for JP 57/175179 (10/28/82). |