sp This is a division of application Ser. No. 765,654, filed Feb. 4, 1977, now U.S. Pat. No. 4,117,018, patented Sept. 26, 1978.
Number | Name | Date | Kind |
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3989672 | Vestergaard | Nov 1976 | |
4124652 | Quinn | Nov 1978 |
Number | Date | Country |
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144765 | Sep 1975 | PLX |
Entry |
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McCelland et al., JCS Perkin II, pp. 1818-1822, 308 (1972). |
Holysz, JCS, 75, pp. 4432-4437 (1953). |
Porejko et al., Polimery 13, (2), 55 (1968). |
Sobicaewski et al., "On the Stability of Polycarbonates," from, Chlorobisphenols, Inst. for Plastics, Warsaw, 10/26/1967. |
Dubkowski et al., "Synthesis of Polycarbonates by Interfacial Method," (1970). |
Wielgosz et al., Polimery-Tuorzywa Wielkoczasteczkowe (1971), pp. 495-500. |
Number | Date | Country | |
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Parent | 765654 | Feb 1977 |