Number | Name | Date | Kind |
---|---|---|---|
4536561 | Schmidt et al. | Aug 1985 | |
4617370 | Lenz et al. | Oct 1986 | |
4701515 | Dicke et al. | Oct 1987 | |
4728715 | Kock et al. | Mar 1988 |
Number | Date | Country |
---|---|---|
0201831 | May 1986 | EPX |
Entry |
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Patent Letter, "Phenylated p,p'-Biphenylene Polyesters", Holub et al. |
European Polymer Journal, vol. 6 (1970), "Synthesis and Properties of Polyesters Based on Substituted Bisphenols", H. B. Weyland et al., pp. 1339-1345. |