Number | Date | Country | Kind |
---|---|---|---|
198 27 272 | Jun 1998 | DE |
Number | Name | Date | Kind |
---|---|---|---|
4248635 | Henning et al. | Feb 1981 | |
4719292 | Schui et al. | Jan 1988 | |
5266110 | Rieper et al. | Nov 1993 |
Number | Date | Country |
---|---|---|
0097913 | Jan 1984 | EP |
0545072 | Jun 1993 | EP |
2432538 | Feb 1980 | FR |
Entry |
---|
European Search Report. |
Patent Abstracts of Japan & JP 10231438 Sep. 2, 1988 (Dainippon Ink & Chem Inc.). |