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United States Patent 5,276,085
Kasowski, et. al.Jan. 4, 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.: 052,810
Filed: Apr. 23, 1993

Intl. Cl.:B28B 11/18;
U.S. Cl.:524/606.; 524/879.;
Field of Search:606;879

References Cited

U.S. Patent Documents
3,063,966Nov., 1962Kwolck et al. 260/ 78
4,987,215Jan., 1991Keil et al. 528/329
4,987,216Jan., 1991Keil et al. 528/329
5,084,497Jan., 1992Burch, Jr. et al. 524/173
5,177,175Jan., 1993Kiriyama et al. 528/183
5,178,980Jan., 1993Mort et al. 430/ 58

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.

5 Claims, No Drawings

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