US 12,008,926 B2
Tamper-evident label
Robert L. Shinkle, II, Peachtree Corners, GA (US); and Karolyn Greason, Duluth, GA (US)
Assigned to Iconex LLC, Duluth, GA (US)
Filed by Iconex LLC, Duluth, GA (US)
Filed on Jul. 13, 2021, as Appl. No. 17/374,768.
Application 17/374,768 is a continuation of application No. 16/166,032, filed on Oct. 19, 2018, granted, now 11,158,213.
Prior Publication US 2022/0005380 A1, Jan. 6, 2022
This patent is subject to a terminal disclaimer.
Int. Cl. G09F 3/00 (2006.01); B32B 7/06 (2019.01); B32B 7/12 (2006.01); G09F 3/02 (2006.01)
CPC G09F 3/0292 (2013.01) [B32B 7/06 (2013.01); B32B 7/12 (2013.01); B32B 2519/00 (2013.01); G09F 2003/0211 (2013.01); G09F 2003/0213 (2013.01); G09F 2003/0229 (2013.01); G09F 2003/028 (2013.01); G09F 2003/0283 (2013.01)] 6 Claims
OG exemplary drawing
 
1. A label roll, comprising:
a substrate;
a plurality of labels defined within portions of the substrate; and
each label comprises:
a thermally-sensitive coating disposed on a frontside of the substrate;
a warning layer coating disposed on the frontside of the substrate; and
an adhesive coating disposed on a backside of the substrate;
wherein the warning layer coating comprises heat-resistant capsules, each heat-resistant capsule comprises a food safe liquid within a shell membrane;
wherein the food safe liquid within the corresponding shell membrane of each heat-resistant capsule exhibits no color;
wherein the food safe liquid exhibits a non-white color on the frontside of the substrate when the corresponding shell membranes of the heat-resistant capsules are ruptured by a directional force applied to each label and the food safe liquid combine together on the frontside of the substrate.