Number | Name | Date | Kind |
---|---|---|---|
3028364 | Conix et al. | Apr 1962 | |
3030331 | Goldberg | Apr 1962 | |
3169121 | Goldberg | Feb 1965 | |
3989672 | Vestergaard | Nov 1976 | |
4156069 | Prevorsek et al. | May 1979 |
Number | Date | Country |
---|---|---|
2714544 | Mar 1977 | DEX |
Entry |
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Prevorsek et al., Synthesis of Poly(ester Carbonate)Copolymers, Allied Chemical Corporation, Corporate Research Center, 4/79. |