Patent · US Expired

Heat-sealable, white-opaque, biaxially oriented, multi-layer polypropylene film, process for the production thereof, and the use thereof

US5800913A · kind A · utility

9Cited by

7References

20Claims

0Family size

Assignee

Hoecht Aktiengesellschaft · DE

Inventors

Rudolf Mauer · Mainz, DE
Michael Schreck · Frankfurt, DE
Adolf Wilhelm · Wiesbaden, DE

Key dates

Filing date	Dec 6, 1995
Grant date	Sep 1, 1998
Priority date	—
Expiry date	Dec 6, 2015

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY10T428/31681
WIPO fieldSurface technology, coating
WIPO sectorChemistry

Abstract

Heat-sealable, white-opaque, biaxially oriented, multilayer polypropylene film, process for the production thereof, and the use thereof. The invention relates to a heat-sealable, white-opaque, biaxially oriented, multilayer polypropylene film comprising a core layer and at least one interlayer arranged there.

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