Patent · US Expired

Slow combustion pyrotechnic composition

US6723191B2 · kind B2 · utility

0Cited by
1References
16Claims
0Family size

Assignee

Inventors

Key dates

Filing dateApr 23, 2002
Grant dateApr 20, 2004
Priority date
Expiry dateApr 23, 2022

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC06C5/06
  • WIPO fieldBasic materials chemistry
  • WIPO sectorChemistry

Abstract

The invention relates to a slow combustion composition for long duration pyrotechnic delays. It comprises an oxidant of the perchlorate type according to a percentage in mass of between 75 to 91%, a reductant selected from among the aromatics according to a percentage in mass of between 5 to 20%, 0 to 6% of a binder and 0 to 5% in mass of a nanometric silica powder. Application to the manufacture of cords or fuses for delays having a combustion rate of around 1 mm/s.

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