Number | Date | Country | Kind |
---|---|---|---|
94-08564 | Jul 1994 | FRX |
Number | Name | Date | Kind |
---|---|---|---|
3903410 | Akrongold et al. | Sep 1975 | |
4734099 | Cyprien | Mar 1988 |
Number | Date | Country |
---|---|---|
WO-A-8900041 | Jan 1989 | WOX |
WO-A-9414402 | Jul 1994 | WOX |
Entry |
---|
Database WPI, Week 8246, Derwent Publications Ltd., London, GB; AN 82-98267E & JP-A-57 163 308 (Shinmeiwa Ind KK) 7 Oct. 1982. |