Patent · US Active

Nanoparticle containing compositions

US11718747B2 · kind B2 · utility

0Cited by

7References

20Claims

0Family size

Assignees

Evonik Operations GmbH · DE
FRX Polymers, Inc. · US

Inventors

Kathrin Lehmann · Leverkusen, DE
Sebastian Hessner · Essen, DE
Jan-Pleun Lens · Breda, NL
Xiudong Sun · Arlington, US

Key dates

Filing date	Jan 14, 2019
Grant date	Aug 8, 2023
Priority date	—
Expiry date	Feb 5, 2040

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC08L2310/00
WIPO fieldBasic materials chemistry
WIPO sectorChemistry

Abstract

Flame retardant compositions, blends and articles include phosphonate polymers, nanoparticles and optionally dispersing agents. A method for preparing such retardant composition, blends, and articles is also presented herein.

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