Number | Name | Date | Kind |
---|---|---|---|
3268071 | Puddington et al. | Aug 1966 | |
3953332 | Speth | Apr 1976 | |
4198297 | Voldes-Hrieg | Apr 1980 | |
4374111 | Lefrancois | Feb 1983 | |
4407783 | Ulmer et al. | Oct 1983 |
Number | Date | Country |
---|---|---|
2540292 | Mar 1977 | DEX |
012566 | Dec 1974 | JPX |
0123499 | Oct 1978 | JPX |
Entry |
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Condensed Chemical Dictionary, 10th Ed., 1981, p. 630. |
Chemical Engineers Handbook, Perry & Chilton, Fifth Edition. |