Number | Name | Date | Kind |
---|---|---|---|
2560333 | De Groote et al. | Jul 1951 | |
2771462 | Shen | Nov 1956 | |
3320208 | Mange | May 1967 | |
3557017 | Mange et al. | Jan 1971 | |
4230599 | Elfers | Oct 1980 | |
4316995 | Pittet et al. | Feb 1982 | |
4678843 | Elmore et al. | Jul 1987 | |
4689371 | Elmore et al. | Aug 1987 | |
4826625 | Thompson et al. | May 1989 | |
4931191 | Braden et al. | Jun 1990 |
Entry |
---|
Danusso et al., Chim. Ind. 47(5) pp. 493-496 (1965) [Chemical Abstracts 63:5765e]. |