Patent · US Active

Flame retardant film

US12071527B2 · kind B2 · utility

0Cited by

0References

20Claims

0Family size

Assignee

Agfa-Gevaert NV · BE

Inventors

Geert Vercruysse · Oudenaarde, BE
Hubertus Van Aert · Pulderbos, BE
Dirk Quintens · Westerlo, BE
Sarah Richardson · Mortsel, BE
Stefaan Smet · Mortsel, BE

Key dates

Filing date	Sep 30, 2020
Grant date	Aug 27, 2024
Priority date	—
Expiry date	Jul 8, 2041

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC08J2367/02
WIPO fieldBasic materials chemistry
WIPO sectorChemistry

Abstract

A flame retardant film comprising a polyester containing film comprising on a side thereof, a flame retardant layer. The flame retardant layer comprises a colloidal metal oxide in an amount of 6 g/m2 of more, an inorganic binder in an amount of 2 g/m2 or more, a first flame retardant being a phosphorous containing compound in an amount of 10 g/m2 or more and a second flame retardant being a mineral compound selected from the group of aluminum hydroxide, aluminum trihydrate, magnesium hydroxide, magnesium calcium carbonate, hydrated magnesium carbonate, aluminum oxide hydroxide, boron compounds, antimony trioxide and combinations thereof, the amount of the second flame retardant is 6 g/m2 or more.

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