Patent · US Expired

Fire retardant

US6652633B2 · kind B2 · utility

7Cited by
17References
32Claims
0Family size

Assignee

Inventors

Key dates

Filing dateNov 8, 2001
Grant dateNov 25, 2003
Priority date—
Expiry dateNov 8, 2021

Classification

  • Technology area (CPC A)Human Necessities
  • CPC primaryA62D1/00
  • WIPO fieldMachine tools
  • WIPO sectorMechanical engineering

Abstract

Improved fire retardants that include guanylurea phosphate [(H2N—C(NH)—NH—C(O)—NH2).H3PO4] (GUP) and boric acid, materials such as wood and composite wood products that include these fire retardants, and methods of making and using same.

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