Number | Date | Country | Kind |
---|---|---|---|
4000045 | Jan 1990 | DEX |
Number | Name | Date | Kind |
---|---|---|---|
3274090 | Amborski | Sep 1966 | |
3274091 | Amborski | Sep 1966 | |
3686018 | Lindblom et al. | Aug 1972 | |
4165394 | Ehrbar et al. | Aug 1989 | |
4765860 | Ueno et al. | Aug 1988 |
Number | Date | Country |
---|---|---|
0109334 | May 1984 | EPX |
0311197 | Apr 1989 | EPX |
208333 | Aug 1990 | JPX |
Entry |
---|
Chemical Abstracts 87:69327a. |
Chemical Abstracts 91:194335k. |
Database WPIL, Accession No. 82-71220E [34], Derwent Publications, Ltd. London, GB: & JP-A-57 115 431. |
Database WPI, Accession No. 79-60492B [33], Derwent Publications Ltd. London, GB; & JP-A-54 083 971. |