Patent · US Active

Sealing compounds with barrier properties

US9708478B2 · kind B2 · utility

1Cited by

1References

31Claims

0Family size

Assignee

ACTEGA DS GMBH · DE

Inventors

Waldemar Eichler · Bremen, DE
Rüdiger Wittenberg · Bremen, DE

Key dates

Filing date	Jan 8, 2016
Grant date	Jul 18, 2017
Priority date	—
Expiry date	Jan 8, 2036

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC08L2207/066
WIPO fieldMacromolecular chemistry, polymers
WIPO sectorChemistry

Abstract

The invention relates to a polymer compound for a PVC-free sealing system for container closures, which is equipped with at least one oxygen-consuming compound, in which the Shore D hardness of the polymer compound is at least 20 and the polymer compound has a melt flow index (190° C., 5 kg) of at least 5.

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