Patent · US Active

Shrink films comprising PA 6/6,6

US11351716B2 · kind B2 · utility

1Cited by

2References

16Claims

0Family size

Assignee

BASF SE

Inventors

Rolf Minkwitz · Ludwigshafen, DE
Silke Biedasek · Ludwigshafen, DE
Rony Knierim · Ludwigshafen, DE
Frank Herboth · Ludwigshafen, DE

Key dates

Filing date	Oct 24, 2017
Grant date	Jun 7, 2022
Priority date	—
Expiry date	Feb 12, 2039

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC08J2477/00
WIPO fieldOther special machines
WIPO sectorMechanical engineering

Abstract

The present invention relates to a process for producing a polymer film (P) comprising a polyamide composition (PC) by extruding the polyamide composition (PC) through an annular die and then stretching the tube thus obtained by blowing in air. The present invention further relates to the polymer film (P) obtainable by the process of the invention and to a process for packaging foodstuffs with the polymer film (P).

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