Number | Name | Date | Kind |
---|---|---|---|
3959440 | Mizuno et al. | May 1976 |
Number | Date | Country |
---|---|---|
2,460,681 | Jul 1975 | DEX |
2,411,888 | Sep 1974 | DEX |
59,086 | May 1976 | JPX |
14,386 | Sep 1974 | JPX |
109,056 | Jul 1918 | GBX |
Entry |
---|
"Chemical Abstracts" vol. 75, 1971, 78912s. |