Patent · US Active

Intrinsically non-blocking shrink sleeve material

US11879059B2 · kind B2 · utility

0Cited by

5References

17Claims

0Family size

Assignee

INEOS STYROLUTION GROUP GMBH · DE

Inventors

Michiel VERSWYVEL · Mechelen, BE
Norbert Niessner · Friedelsheim, DE
Daniel Wagner · Bad Dürkheim, DE
Michael Schuster · Jacksonville, US
Geert Verlinden · Stekene, BE
Bart Van-Den-Bossche · Bornem, BE
Konrad Knoll · Mannheim, DE

Key dates

Filing date	Feb 19, 2018
Grant date	Jan 23, 2024
Priority date	—
Expiry date	May 24, 2041

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC08L2205/06
WIPO fieldMacromolecular chemistry, polymers
WIPO sectorChemistry

Abstract

Polymer compositions comprising stiff and tough star shaped styrene butadiene block-copolymers A1 and A2 can be used for making shrink films. Block copolymer A2 preferably has the structure with hard blocks Se and Si, hard random copolymer blocks (B/S)Ae, soft random copolymer blocks (B/S)B coupled by a coupling agent X.

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