Number | Name | Date | Kind |
---|---|---|---|
2074467 | Gutzeit | Mar 1937 | |
3293297 | Louvar et al. | Dec 1966 | |
3330777 | Louvar et al. | Jul 1967 | |
3894041 | Otsuki et al. | Jul 1975 | |
3907745 | Bsharah et al. | Sep 1975 | |
4342688 | Tappe | Aug 1982 | |
4612335 | Cuscurida et al. | Sep 1986 | |
4814462 | Kurata et al. | Mar 1989 | |
4883826 | Marugg et al. | Nov 1989 | |
4973414 | Nerger et al. | Nov 1990 | |
5123932 | Rath et al. | Jun 1992 |
Number | Date | Country |
---|---|---|
181140 | Oct 1985 | EPX |
63-280791A | May 1987 | JPX |
Entry |
---|
Chemical Abstract 112:141779 date unknown. |