Number | Name | Date | Kind |
---|---|---|---|
3099689 | Cragg | Jul 1963 | |
3412151 | Nozaki | Nov 1968 | |
3530182 | Haynes et al. | Sep 1970 | |
4218398 | Saito et al. | Aug 1980 | |
4224243 | Aoyama et al. | Sep 1980 | |
4230636 | Saito et al. | Oct 1980 | |
4244889 | Bartley et al. | Jan 1981 | |
4250116 | Bartley | Feb 1981 | |
4251460 | Fujita et al. | Feb 1981 | |
4269998 | Imai | May 1981 | |
4292242 | Laine | Sep 1981 | |
4302598 | Bellis | Nov 1981 |
Number | Date | Country |
---|---|---|
57-42660 | Mar 1982 | JPX |
Entry |
---|
Kirk-Othmer, Encyclopedia of Chemical Technology, 3rd Edition (1980) vol. 11, pp. 264-265. |