Patent Number: 7,825,049

Title: Thermal performance garments comprising a bleach tolerant outer shell fabric of polypyridobisimidazole and polybenzobisoxazole fibers

Abstract: The invention concerns a flame-resistant garment having an outer shell fabric comprising 50 to 95 parts by weight of a polybenzobisoxazole fiber and 5 to 50 parts by weight of a polypridobisimidazole fiber having an inherent viscosity of greater than 20 dl/g.

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

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

International Classification: D03D 15/00 (20060101)

Expiration Date: 2019-11-02 0:00:00