Patent Number: 7,820,572

Title: Garments comprising a flexible high thermal performance outer shell fabric of polybenzimidazole and polypyridobisimidazole fibers

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

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