Patent · US Expired

Flame retardant polymer compositions

US4124400A · kind A · utility

5Cited by
4References
36Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMay 9, 1977
Grant dateNov 7, 1978
Priority date
Expiry dateMay 9, 1997

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10S524/925
  • WIPO fieldOrganic fine chemistry
  • WIPO sectorChemistry

Abstract

Compounds of the formula ##STR1## wherein: Z represents a radical selected from the group consisting of alkyl or aryl radicals; PA1 R.sub.1 and R.sub.2 may be the same or different and individually represent a radical selected from the group consisting of alkyl, cycloalkyl or aryl radicals; and PA2 R.sub.1 and R.sub.2 together with their common nitrogen atom represent a heterocyclic ring, Impart flame retardant properties to natural and synthetic polymers.

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