Number | Date | Country | Kind |
---|---|---|---|
9-304270 | Nov 1997 | JP |
Number | Name | Date | Kind |
---|---|---|---|
2322027 | Jelley et al. | Jun 1943 | |
3623877 | Langley | Nov 1971 | |
4080211 | Van Paesschen et al. | Mar 1978 | |
5380628 | Sawyer et al. | Jan 1995 |
Number | Date | Country |
---|---|---|
0683429A1 | Nov 1995 | EP |
0895119A1 | Feb 1999 | EP |
1193349 | May 1970 | GB |
Entry |
---|
Chemical Abstracts, vol. 90, No. 20, May 14, 1979 XP00209'6308. |