Publication NumberWO 2019040624 A1
  • Henkel Ip & Holding Gmbh
  • Graphic Innovators Inc
Filing StatusPatent Application
Application NumberPCT/US2018/2018047526
Filing Date2018-08-22
Publication Date2019-02-28


The present invention relates generally to a protective wrap and a protective envelope or pouch: made therefrom,, as well as the apparatus and: process for forming such wraps and envelopes. Water--based heat-expandable adhesives (WBHEA) which include a plurality of heat-expandable microspheres are disposed in a pattern between, web substrates on a continuous, high speed manufacturing line to produce padded, insulated products: useful as envelopes, mailers and other protective packaging.


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