Number | Date | Country | Kind |
---|---|---|---|
197 00 892 | Jan 1997 | DE |
Number | Name | Date | Kind |
---|---|---|---|
3285902 | Schmeidl | Nov 1966 | |
3756999 | Stetter et al. | Sep 1973 | |
3931024 | Hu | Jan 1976 | |
5028666 | Clarke | Jul 1991 | |
5064908 | Schuster et al. | Nov 1991 | |
5478962 | Denardo et al. | Dec 1995 |
Number | Date | Country |
---|---|---|
002760 | Dec 1978 | EP |
271261 | Jun 1988 | EP |
474889 | Mar 1992 | EP |
1425994 | Mar 1965 | FR |
Entry |
---|
Kunststoff-Handbuch, Band IV, 1969-162-165. |