Number | Date | Country | Kind |
---|---|---|---|
3928285 | Aug 1989 | DEX |
Number | Name | Date | Kind |
---|---|---|---|
1990245 | Mueller et al. | Feb 1935 | |
3030429 | Conradin et al. | Apr 1962 | |
4496780 | Arena | Jan 1985 | |
4950812 | Jacobs et al. | Aug 1990 | |
5026927 | Andrews et al. | Jun 1991 |
Entry |
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Ind. Eng. Chem. Prod. Res. Dev. 9, 210-212 (1970). |
Chem. Ber. 76, 641-656 (1943). |
Chem. Ber. 71, 2712-2716 (1938). |