Number | Date | Country | Kind |
---|---|---|---|
6-117630 | May 1994 | JPX | |
6-117631 | May 1994 | JPX |
Number | Name | Date | Kind |
---|---|---|---|
4661283 | Sugimori et al. | Apr 1987 | |
5069814 | Suzuki et al. | Dec 1991 |
Number | Date | Country |
---|---|---|
0155792 | Sep 1985 | EPX |
0393443 | Oct 1990 | EPX |
4028988 | Mar 1992 | DEX |
Entry |
---|
Database WPI, Week 9249, Derwent Publications Ltd., London, GB; AN 92-403397 & JP-A-04 300 861 (Seimi Chem KK), 23 Oct. 1992. |