Number | Name | Date | Kind |
---|---|---|---|
2095470 | Foley | Oct 1937 | |
2952342 | Schnittker | Sep 1960 | |
3266228 | Plizak et al. | Aug 1966 | |
3441145 | Pearson | Apr 1969 | |
3487610 | Brown et al. | Jan 1970 |
Number | Date | Country |
---|---|---|
9228 | Sep 1911 | GBX |
Entry |
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Jones, J. I., Part 2-High Temperature Resistant Fibres from Organic, Polymer Precursors, In Filtration & Separation, 7(3): p. 303, May/Jun. 1970. |