Title:
Readily closable and reopenable plastic bag
United States Patent 3307773
US Patent References:
Sealing medium
- - 1800143

Adhesive
- - 2496934

Adhesive sheet containing specific mass deactivators
- - 2790732

Package
- - 2949370

Food package
- - 2970920


Inventors:
Kratzer, James C.
Peter, Wilton
Publication Date:
03/07/1967
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Assignee:
UNION CARBIDE CORP
Primary Class:
229/80
Other Classes:
426/106, 426/128, 106/243, 229/938, 383/86, 106/244
International Classes:
B65D33/18; B65D33/20
US Patent References:
3052566Pressure sensitive adhesive tape having a release coating of fatty alcohol itaconate
3070280Self-sealing envelopes