Peelable composite thermoplastic sealants in packaging films

Details Peelable composite thermoplastic sealants in packaging films Peelable composite thermoplastic sealants in packaging films

2011-01-18

2011-01-18

O'Hern, Brent T (Department: 1794)

Stock material or miscellaneous articles

Web or sheet containing structurally defined element or...

Including a second component containing structurally defined...

C220S359100, C428S034100, C428S035700, C428S040100, C428S216000, C428S221000

Reexamination Certificate

active

07871696

ABSTRACT:
A peelable sealing structure includes a sealing layer and one or more optional additional layers. The peelable sealing structure includes a sealing surface that is formable into a peelable seal upon contact with a sealing substrate at all temperatures in a peelable seal temperature range. Moreover, the peelable sealing structure comprises a thermoplastic polymer and an additive dispersed within at least a portion of the thermoplastic polymer with the peelable sealing structure defining the sealing surface.

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