Biaxially oriented, multilayer polyolefin film of high shrinkage which can be heat-sealed at low temperatures
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Dec 13, 1994
Grant Date -
N/A
app pub date -
Jul 8, 1993
filing date -
Jul 10, 1992
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A transparent, coextruded, multilayer polyolefin film which can be heat-sealed at low temperatures and comprises a base layer and at least one top layer applied on one side. The multilayer film has, at 120.degree. C., a longitudinal shrinkage of greater than about 10%, preferably from about 15% to about 35%, and a transverse shrinkage of greater than about 10%, preferably from about 15% to about 35%. The multilayer film has, at 90.degree. C., a longitudinal shrinkage of at most about 10%, preferably from about 3% to about 8%, and a transverse shrinkage of at most about 10%, preferably from about 2% to about 8%. The top layers have a minimum sealing temperature of at most about 124.degree. C., preferably from about 75.degree. C. to about 110.degree. C. The film is useful as a packaging film.
First Claim
Family
International Classification(s)
Cited Art Landscape
Patent Citation Ranking
Advertisement
Advertisement
Advertisement
Recipient Email Address
Recipient Email Address
Comment
Recipient Email Address
Add to Portfolio(s)
To add this patent to one, or more, of your portfolios, simply click the add button.
This Patent is in these Portfolios:
Add to additional portfolios:
Last Refreshed On:
Changes done successfully