Patent · US Expired

Flame retardant compositions

US7405251B2 · kind B2 · utility

2Cited by
9References
20Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMay 15, 2003
Grant dateJul 29, 2008
Priority date
Expiry dateFeb 26, 2024

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC08G77/70
  • WIPO fieldMacromolecular chemistry, polymers
  • WIPO sectorChemistry

Abstract

This invention relates to a flame retardant composition comprising: (a) 81 to 99.99 weight percent of a thermoplastic resin, thermoset resin, thermoplastic resin blend, or thermoset resin blend which upon burning forms a char and (b) 0.01-19 weight percent of a silsesquioxane resin having a weight average molecular weight of greater than 300.

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