	US 12,312,517 B2
	Adhesive compositions
Ying Zhang, Woodbury, MN (US); Robert A. Asmus, Hudson, WI (US); Zhicheng Tian, Woodbury, MN (US); Kheng Vang, St. Paul, MN (US); James Dizio, St. Paul, MN (US); Patrick J. Parks, St. Paul, MN (US); and Brian E. Spiewak, Inver Grove Heights, MN (US)
Assigned to Solventum Intellectual Properties Company, Maplewood, MN (US)
Appl. No. 17/612,375
Filed by Solventum Intellectual Properties Company, Maplewood, MN (US)
PCT Filed May 18, 2020, PCT No. PCT/IB2020/054704 § 371(c)(1), (2) Date Nov. 18, 2021, PCT Pub. No. WO2020/240337, PCT Pub. Date Dec. 3, 2020.
Claims priority of provisional application 62/852,730, filed on May 24, 2019.
Prior Publication US 2022/0298389 A1, Sep. 22, 2022
Int. Cl. C09J 7/38 (2018.01); A61L 15/58 (2006.01); A61L 24/04 (2006.01); A61L 31/04 (2006.01)

CPC C09J 7/385 (2018.01) [A61L 15/585 (2013.01); A61L 24/043 (2013.01); A61L 31/04 (2013.01)]

17 Claims

1. An adhesive composition comprising:

40 wt. % to 90 wt. % resin system, wherein the resin system is a pressure-sensitive adhesive comprising a polymer prepared from:

70 wt. % to 95 wt. % of a first monomer, wherein the first monomer is a low Tg acrylate monomer selected from the group consisting of iso-octyl acrylate, 2-ethyl hexyl acrylate, 2-octyl acrylate, and butyl acrylate;

1 wt. % to 25 wt. % of a second monomer, wherein the second monomer is a polar, non-acidic monomer selected from the group consisting of acrylamide, N-vinyl pyrrolidone, and hydroxyl alkyl acrylate; and

0 wt. % to 20 wt. % vinyl acetate or butyl vinyl ether;

0 wt. % to 59.49 wt. % plasticizer,

0.01 wt. % to 10 wt. % octenidine salt, and

0.5 wt. % to 59.99 wt. % cidatrope, the cidatrope selected from a C₈-C₂₆alcohol, a C₈-C₂₆ether, a C₈-C₂₆amide, a C₈-C₂₆ester, or a combination thereof;

water in an amount less than 1 wt %; and

C₂-C₅alcohol in an amount less than 1 wt %,

wherein wt % is based on the weight of the adhesive composition.