Patent · US Expired

Fire-retardant polyurethane resins prepared from side-chain halogenated aromatic polyisocyanates

US3939124A · kind A · utility

3Cited by
3References
5Claims
0Family size

Assignee

Inventors

Key dates

Filing dateSep 9, 1974
Grant dateFeb 17, 1976
Priority date—
Expiry dateSep 9, 1994

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC08G18/773
  • WIPO fieldMacromolecular chemistry, polymers
  • WIPO sectorChemistry

Abstract

Polyurethanes are made fire-retardant by including in the reaction mixture aromatic polyisocyanates having halogen-containing side chains.

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