Number | Name | Date | Kind |
---|---|---|---|
3304273 | Stamberger | Feb 1967 | |
3383351 | Stamberger | May 1968 | |
3523093 | Stamberger | Aug 1970 | |
3652639 | Pizzini et al. | Mar 1972 | |
3823201 | Pizzini et al. | Jul 1974 | |
3850861 | Fabris et al. | Nov 1974 | |
3966521 | Patton et al. | Jun 1976 | |
4119586 | Shah | Oct 1978 |
Entry |
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Kuryla et al., Polymer Polyols, Jour. Cellular Plastics, Mar. 1966, pp. 1-3. |