Number | Date | Country | Kind |
---|---|---|---|
2829091 | Jul 1978 | DEX |
Number | Name | Date | Kind |
---|---|---|---|
2929829 | Morehouse | Mar 1960 | |
3642449 | Novak et al. | Feb 1972 | |
3697225 | Schmitt et al. | Oct 1972 | |
3730688 | Schmitt et al. | May 1973 | |
3843325 | Schmitt et al. | Oct 1974 | |
3904373 | Harper | Sep 1975 | |
4022578 | Kretschmer | May 1977 | |
4203952 | Hancock et al. | May 1980 |
Number | Date | Country |
---|---|---|
1530039 | Oct 1978 | GBX |
1532295 | Nov 1978 | GBX |
Entry |
---|
Patterson, G. D., et al.; Anal. Chem., vol. 24, No. 10, pp. 1586-1590 (1952). |
Harper, G. B., Anal. Chem., vol. 47, No. 2, pp. 348-351 (1975). |