Number | Name | Date | Kind |
---|---|---|---|
3177101 | Vriesen | Apr 1965 | |
3362859 | Sutton et al. | Jan 1968 | |
3468730 | Gawlick et al. | Sep 1969 | |
3719604 | Prior et al. | Mar 1973 | |
3723205 | Scheffee | Mar 1973 | |
3839105 | Dewitt et al. | Oct 1974 | |
3923804 | Sitzmann et al. | Dec 1975 | |
4148674 | Kehren et al. | Apr 1979 | |
4360394 | Portnoy | Nov 1982 | |
4369079 | Shaw | Jan 1983 | |
4370181 | Lundstrom et al. | Jan 1983 | |
4386979 | Jackson | Jun 1983 | |
4407119 | Biddle | Oct 1983 | |
4547235 | Schneiter et al. | Oct 1985 | |
4547342 | Adams et al. | Oct 1985 | |
4931112 | Wardle et al. | Jun 1990 | |
4948439 | Poole et al. | Aug 1990 |
Entry |
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"Poly(alkylene carbonates)-Typical Properties", a brochure of Air Products and Chemicals, Inc. Emmaus, PA. |