Method of heat sealing employing a hot tack adhesive
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Mar 3, 1981
Grant Date -
N/A
app pub date -
Jul 1, 1977
filing date -
Jul 1, 1977
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
Normally solid heat-activatable thermoplastic adhesives having improved hot tack strength at heat-seal temperatures are composed essentially of copolymers of ethylene with acrylic acid or methacrylic acid having standard melt flow values from about 1 to about 3 dg/min., and are especially useful as heat-seal coating or layer on substrates for packaging.
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