Number | Date | Country | Kind |
---|---|---|---|
3011168 | Mar 1980 | DEX |
Number | Name | Date | Kind |
---|---|---|---|
2283262 | Kamlet | May 1942 | |
2509140 | Free | May 1950 | |
2577978 | Nicholls et al. | Dec 1951 | |
2990253 | Smeby | Jun 1961 | |
3212855 | Mast et al. | Oct 1965 | |
3880590 | Ogawa et al. | Apr 1975 | |
3997565 | Kauer | Dec 1976 | |
4071321 | Lam | Jan 1978 | |
4097240 | Hirsch | Jun 1978 | |
4147514 | Magers et al. | Apr 1979 | |
4171416 | Motegi et al. | Oct 1979 | |
4184850 | Habenstein | Jan 1980 | |
4193766 | Davnora et al. | Mar 1980 |
Number | Date | Country |
---|---|---|
56-141560 | Nov 1981 | JPX |
Entry |
---|
Cram, Donald J., Science, vol. 219, No. 4589, pp. 1177-1183, "Cavitands: Organic Hosts with Enforced Cavities." |