Number | Date | Country | Kind |
---|---|---|---|
50/23283 | Feb 1975 | JPX |
Number | Name | Date | Kind |
---|---|---|---|
2474412 | Bersworth | Jun 1949 | |
2541678 | Swaney et al. | Feb 1951 | |
2841521 | Abramitis | Jul 1958 | |
2885441 | Zenitz | May 1959 | |
3054656 | Cassidy et al. | Sep 1962 | |
3072529 | Sanders et al. | Jan 1963 |
Entry |
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Kirk-Othmer--Encyclopedia of Chem. Tech. 2nd Ed. vol. 6, 1965; pp. 1-8 & 21-23. |
Chemical Abstracts 70:80835j, 1969 (Noesler et al.). |
Chemical Abstracts 70:99606g, 1969 (Noesler et al.). |