Number | Date | Country | Kind |
---|---|---|---|
50-104630 | Aug 1975 | JPX | |
51-36541 | Mar 1976 | JPX |
Number | Name | Date | Kind |
---|---|---|---|
3449109 | Richter | Jun 1969 | |
3752869 | Kiehs et al. | Aug 1973 | |
3776984 | Ratts | Dec 1973 | |
3833600 | Toepfl | Sep 1974 | |
3849102 | Bucha et al. | Nov 1974 | |
3955957 | Sturm et al. | May 1976 | |
3997526 | Satomi et al. | Dec 1976 | |
4015974 | Satomi et al. | Apr 1977 |
Number | Date | Country |
---|---|---|
710,340 | May 1965 | CAX |
Entry |
---|
Bliznyuk et al., Chemical Abstracts 74, 142,055y (1971). |