Number | Date | Country | Kind |
---|---|---|---|
89 07947 | Jun 1989 | FRX |
Number | Name | Date | Kind |
---|---|---|---|
4217344 | Vanlerberghe et al. | Aug 1980 | |
4772471 | Vanlerberghe et al. | Sep 1988 |
Number | Date | Country |
---|---|---|
2189457 | Oct 1987 | GBX |
Entry |
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STN International File Server (Karlsruhe) & Chemical Abstracts. vol. 104, No. 17, Apr. 28, 1986, No. 142371m. |
French Search Report on FR 89 07947. |