Patent · US Expired

Oriented multilayer polyolefin film which is heat-sealable on both sides, its use, and process for its production

US5945225A · kind A · utility

5Cited by

8References

13Claims

0Family size

Assignee

Hoechst Trespaphan GmbH · DE

Inventors

Angela Speith-Herfurth · Egelsbach, DE
Wolfgang Rasp · Prien am Chiemsee, DE
Robert Hansohn · Kirkel, DE

Key dates

Filing date	Dec 18, 1997
Grant date	Aug 31, 1999
Priority date	—
Expiry date	Dec 18, 2017

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY10T428/31913
WIPO fieldSurface technology, coating
WIPO sectorChemistry

Abstract

Oriented multilayer polyolefin film which is heat-sealable on both sides, its use, and process for its production. An oriented multilayer polyolefin film which is heat-sealable on both sides and is printable, made from at least one base layer and, on both sides, heat-sealable outer layers, which film contains a hydrocarbon resin. Both outer layers contain silicone oil and at least one surface of the film is surface-treated.

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