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Heat sealable coating for manual and electronic marking and process for heat sealing the image

  • US 6,531,216 B1
  • Filed: 04/12/2000
  • Issued: 03/11/2003
  • Est. Priority Date: 04/15/1999
  • Status: Expired due to Fees
First Claim
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1. A non-transferable heat sealable element, which comprises:

  • (i) a porous or absorbent support, and (ii) a heat sealing layer comprising a thermoplastic polymer which melts in the range of 50-250°

    C., a wax which melts in the range of 50-250°

    C., or combinations thereof, wherein said porous or absorbent support does not have a tack-free surface and which absorbs at least 1% of said heat sealing layer, and wherein said non-transferable heat sealable element is non-transferable.

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