Number | Name | Date | Kind |
---|---|---|---|
4184990 | Reischl et al. | Jan 1980 | |
4293470 | Cuscurida | Oct 1981 | |
4293679 | Cogliano et al. | Oct 1981 | |
4305857 | Reischl | Dec 1981 | |
4305858 | Reischl | Dec 1981 | |
4374209 | Rowlands | Feb 1983 | |
4431754 | Hoffman | Feb 1984 | |
4438252 | Carroll et al. | Mar 1984 | |
4452923 | Carroll et al. | Jun 1984 | |
4506040 | Raes et al. | Mar 1985 | |
4521581 | Dominguez et al. | Jun 1985 | |
4659772 | Hoy et al. | Apr 1987 | |
4745153 | Hoffman | May 1988 | |
5068280 | Pal et al. | Nov 1991 |
Number | Date | Country |
---|---|---|
2163762 | Mar 1986 | GBX |
Entry |
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Picken, K. "PIPA-Process for the Future", Urethanes Technology, Jun. 1984, pp. 23-24. |