Patent · US Expired

Intumescent body

US7923389B2 · kind B2 · utility

1Cited by
5References
12Claims
0Family size

Assignee

Inventors

Key dates

Filing dateDec 17, 2003
Grant dateApr 12, 2011
Priority date
Expiry dateApr 22, 2026

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T442/2689
  • WIPO fieldBasic materials chemistry
  • WIPO sectorChemistry

Abstract

The invention relates to an intumescent body, made from a non-intumescent polymer material providing the form of the body and a coating material applied to the polymer material. According to the invention, the polymer material together with the coating material provides an intumescent system in which the polymer material forms a carbon-donor material.

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