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United States Patent 5,296,543
Kasowski, et. al.Mar. 22, 1994

Aromatic polyamide compositions and fibers

Inventors: Kasowski; Robert V. (West Chester, PA); Lee; Kiu-Seung (Richmond, VA); Wang; Ying (Wilmington, DE).
Assignee: E. I. Du Pont de Nemours and Company (Wilmington, DE).
Appl. No.: 115,850
Filed: Sept. 8, 1993

Intl. Cl.:C08L 77/00;
U.S. Cl.:524/606.;
Field of Search:606

References Cited

U.S. Patent Documents
3,063,966Nov., 1962Kwolck et al. 260/ 78
4,987,215Jan., 1991Keil et al. 528/329
5,084,497Jan., 1992Burch, Jr. et al. 524/173
5,177,175Jan., 1993Kiriyama et al. 528/183

Other References

Primary Examiner: Foelak; Morton


The disclosed invention relates to novel aromatic polyamide compositions with a fullerene component and fibers therefrom which have improved torsional strength and a process for preparing said fibers.

9 Claims, No Drawings

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