Number | Date | Country | Kind |
---|---|---|---|
4106837 | Mar 1991 | DEX |
Number | Name | Date | Kind |
---|---|---|---|
4678643 | Fetzer | Jul 1987 | |
4836988 | Kristof et al. | Jun 1989 | |
5145652 | Veser et al. | Sep 1992 |
Number | Date | Country |
---|---|---|
0195075 | May 1989 | EPX |
3431730 | Mar 1986 | DEX |
8424417 | Aug 1986 | DEX |
3335917 | Dec 1986 | DEX |
3805791 | Aug 1989 | DEX |
Entry |
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Publication: Chem.-Ing.-Tech. 58 (1986) No. 8, pp. 617-623: (Kotter et al). |