Patent · US Expired

Flame resistant fiber blends

US4014829A · kind A · utility

7Cited by
4References
9Claims
0Family size

Assignee

Inventors

Key dates

Filing dateOct 30, 1974
Grant dateMar 29, 1977
Priority date
Expiry dateOct 30, 1994

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10S260/24
  • WIPO fieldTextile and paper machines
  • WIPO sectorMechanical engineering

Abstract

A flame-resistant blend of textile fibers comprising (a) from about 20 to 40% by weight of a normally flammable textile fiber aesthetically suitable for wearing apparel and (b) from about 60 to 80% by weight of poly-(metaphenylene isophthalamide) fiber containing distributed substantially throughout its whole interior a finely divided cross-linked reaction product of at least 5% by weight (unreacted basis) of a tetrakis hydroxymethyl phosphonium compound and a resin containing active hydrogen.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.