US 10,889,093 B2
Dimensionally stable recyclable plastic package
Jun Wang, Fort Washington, PA (US)
Assigned to Colgate-Palmolive Company, New York, NY (US)
Filed by Colgate-Palmolive Company, New York, NY (US)
Filed on Dec. 19, 2019, as Appl. No. 16/721,472.
Claims priority of provisional application 62/843,691, filed on May 6, 2019.
Prior Publication US 2020/0353731 A1, Nov. 12, 2020
Int. Cl. B32B 27/32 (2006.01); B32B 27/08 (2006.01); B32B 7/035 (2019.01); B32B 27/30 (2006.01)
CPC B32B 27/32 (2013.01) [B32B 27/08 (2013.01); B32B 27/306 (2013.01); B32B 2250/24 (2013.01); B32B 2270/00 (2013.01); B32B 2323/043 (2013.01); B32B 2323/046 (2013.01); B32B 2439/70 (2013.01)] 10 Claims
OG exemplary drawing
 
1. A sheet comprising:
a polymeric multi-layer structure comprising:
a plurality of layers including an uppermost layer and a lowermost layer, each of the plurality of layers having a stress value;
wherein the stress value of at least two of the plurality of layers are non-zero and different from one another; and
wherein the multi-layer structure has a net stress value that is less than the greater stress value of the plurality of layers.