Number | Date | Country | Kind |
---|---|---|---|
4033609 | Oct 1990 | DEX | |
4119577 | Jun 1991 | DEX |
Number | Name | Date | Kind |
---|---|---|---|
2894028 | Rudner | Jul 1959 | |
3352913 | Schmitt et al. | Nov 1967 | |
3629227 | Meckel et al. | Dec 1971 | |
3956282 | Tellter et al. | May 1976 | |
5091554 | Huthmacher et al. | Feb 1992 |
Number | Date | Country |
---|---|---|
0284398 | Sep 1988 | EPX |
0394967 | Oct 1990 | EPX |
0394968 | Oct 1990 | EPX |
0449089 | Oct 1991 | EPX |
1229078 | Jun 1967 | DEX |
3011656 | Oct 1981 | DEX |
3021955 | Dec 1981 | DEX |
Entry |
---|
Weygand/Hilgetag, "Preparative Organic Chemistry", (1972), pp. 508-513; John Wiley & Sons, N.Y. |
Chemical Abstracts 12(9): 76465q (date unknown). |