Patent Number: 7,820,567

Title: Fabrics made from a blend of polypyridobisimidazole/flame-retardant treated cellulose fibers and articles made therefrom

Abstract: The invention concerns flame retardant fabrics made from mixtures of polypyridobisimidazole fibers with cellulose fibers that have been treated to make them flame retardant and articles made therefrom.

Inventors: Zhu; Reiyao (Midlothian, VA), Young; Richard (Richmond, VA)

Assignee: E. I. du Pont de Nemours and Company

International Classification: D03D 15/00 (20060101)

Expiration Date: 2018-10-26 0:00:00