Number | Date | Country | Kind |
---|---|---|---|
44 12 316.7 | Apr 1994 | DEX |
Number | Name | Date | Kind |
---|---|---|---|
2548161 | Jansen et al. | Apr 1951 | |
2778852 | Adam et al. | Jan 1957 | |
3418365 | Gustafson | Dec 1968 | |
4764309 | Deckers et al. | Aug 1988 | |
4871484 | Fiege et al. | Oct 1989 |
Number | Date | Country |
---|---|---|
860207 | Jul 1949 | DEX |
2751134 | May 1979 | DEX |
3624258 | Jul 1986 | DEX |
3927146 | Feb 1991 | DEX |
4223382 | Oct 1994 | DEX |
8605786 | Oct 1986 | WOX |
Entry |
---|
Chemical Abstract 106 (1987) 84, 307y. |