Number | Date | Country | Kind |
---|---|---|---|
1-27478 | Feb 1989 | JPX |
Number | Name | Date | Kind |
---|---|---|---|
3778410 | Kuhfuss | Dec 1973 | |
4161470 | Calundann | Jul 1979 | |
4605727 | Inoue et al. | Aug 1986 | |
4663422 | Inoue et al. | May 1987 | |
4906724 | Yamanaka et al. | Mar 1990 |
Entry |
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J. E. McIntyre, P. E. P. Maj *and J. G. Tomka "Thermotropic Polyesters:" Dept. Text. Ind., Univ. Leeds. 1989. |