Number | Date | Country | Kind |
---|---|---|---|
9000808 | Apr 1990 | NLX |
Number | Name | Date | Kind |
---|---|---|---|
4722595 | Siol | Feb 1988 | |
4925589 | Lorenz | May 1990 | |
4994204 | Doane et al. | Feb 1991 |
Number | Date | Country |
---|---|---|
2-086692 | Mar 1990 | JPX |
Entry |
---|
Chem. Abstracts: 113: 60386S. |
Chem. Abstracts: 114:229493h. |
Chemical Abstracts: 114:32025a. |