| Number | Name | Date | Kind |
|---|---|---|---|
| 3620757 | Ellinger et al. | Nov 1971 | |
| 4046926 | Gardiner | Sep 1977 | |
| 4859484 | Bielskis et al. | Aug 1989 | |
| 5024849 | Rasilewicz | Jun 1991 | |
| 5478587 | Mingione | Dec 1995 |
| Entry |
|---|
| Condensed Chemical Dictionary, 7th Edition. pp. 873 and 933, 1969. |
| Database Abstract. AN 77-24515Y [14] WPIDS. JP 52025058, Feb. 24, 1977. |