Patent · US Active

Phosphorous containing flame retardants

US11377517B2 · kind B2 · utility

0Cited by

4References

11Claims

0Family size

Assignee

BASF SE

Inventors

Marco Balbo Block · Osnabrück, DE
Jens FERBITZ · Osnabrück, DE
Christoph Fleckenstein · Ludwigshafen am Rhein, DE
Birgit Hupka · Dressendorf, DE

Key dates

Filing date	Apr 15, 2014
Grant date	Jul 5, 2022
Priority date	—
Expiry date	Nov 24, 2034

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC08G2110/0083
WIPO fieldMacromolecular chemistry, polymers
WIPO sectorChemistry

Abstract

The present invention relates to a phosphorus containing polyol, obtainable or obtained by a process comprising the reaction of at least one polyol with a phosphorus containing compound of the general formula (I) as defined herein, as well as the process for preparing a phosphorus containing polyol, comprising the reaction of at least one polyol with a phosphorus containing compound of the general formula (I). Furthermore, the present invention relates to the use of a phosphorus containing polyol as disclosed herein as a flame retardant, to a process for the preparation of a polyurethane and the polyurethane as such.

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