	US 11,912,003 B2
	Multilayer films and adhesive tapes
Christopher J. Rother, Hudson, WI (US); Jose P. De Souza, Austin, TX (US); Robert B. Rosner, Austin, TX (US); Jacob D. Young, St. Paul, MN (US); Jeffrey O. Emslander, Grant, MN (US); Gregg A. Patnode, Woodbury, MN (US); Ann R. Fornof, Austin, TX (US); Rafael Garcia-Ramirez, Austin, TX (US); and Jay M. Krieger, Eau Claire, WI (US)
Assigned to 3M Innovative Properties Company, St. Paul, MN (US)
Filed by 3M INNOVATIVE PROPERTIES COMPANY, St. Paul, MN (US)
Filed on Nov. 14, 2022, as Appl. No. 18/055,078.
Application 18/055,078 is a continuation of application No. 16/321,606, granted, now 11,498,320, previously published as PCT/US2017/043483, filed on Jul. 24, 2017.
Claims priority of provisional application 62/368,626, filed on Jul. 29, 2016.
Prior Publication US 2023/0081858 A1, Mar. 16, 2023
This patent is subject to a terminal disclaimer.
Int. Cl. B32B 27/30 (2006.01); C09J 7/29 (2018.01); C09J 7/38 (2018.01); C09J 7/50 (2018.01); B32B 5/16 (2006.01); B32B 27/20 (2006.01); B32B 27/22 (2006.01)

CPC B32B 27/304 (2013.01) [B32B 5/16 (2013.01); B32B 27/20 (2013.01); B32B 27/22 (2013.01); C09J 7/29 (2018.01); C09J 7/383 (2018.01); C09J 7/50 (2018.01); B32B 2264/10 (2013.01); B32B 2264/303 (2020.08); B32B 2405/00 (2013.01); C09J 2400/10 (2013.01); C09J 2463/003 (2013.01)]

17 Claims

1. An adhesive tape comprising:

a backing comprising a multilayer film comprising one or more organic polymers, wherein the multilayer film comprises at least three layers, wherein each layer of the multilayer film backing comprises plasticized polyvinyl chloride having at least 25 wt-% polyvinyl chloride, based on the total weight of the layer, and at least one layer comprises one or more fillers;

a primer layer disposed on at least one major surface of the backing; and

a pressure sensitive adhesive layer disposed on the primer layer, wherein the primer is solventless.