Patent ID: 11905070
Assignee: ILLINOIS TOOL WORKS INC.
Field: Macromolecular chemistry, polymers (Chemistry)
Classification: CPC B  C  D  Y | IPC B  C  D

Claim 9:
10. A repulpable zipper, comprising:
at least two interlocking elements adapted for connection to a first wall of a flexible package; and
at least two opposing interlocking elements adapted for connection to a second opposing wall of the flexible package;
the repulpable zipper comprising 10 to 90% by weight of a water-soluble polymer blended with 10 to 90% by weight of fibers of a plant-based cellulose material;
the repulpable zipper being movable between a first open position that disengages the at least two first interlocking elements adapted for connection to the first wall from the at least two opposing second interlocking elements adapted for connection to the second wall and a second closed position that engages the at least two interlocking elements adapted for connection to the first wall to the at least two opposing interlocking elements adapted for connection to the second wall.