Number | Date | Country | Kind |
---|---|---|---|
3905/93 | Dec 1993 | CHX |
Number | Name | Date | Kind |
---|---|---|---|
4097581 | Faroog et al. | Jun 1978 | |
4590282 | Henrick | May 1986 | |
4971981 | Karrer | Nov 1990 |
Number | Date | Country |
---|---|---|
0559612 | Sep 1993 | EPX |
Entry |
---|
Chemical Abstracts Service CA 105: 97457, (citing US. 4590282 May 20, 1986). |