US 12,109,319 B2
Rubber-based soft gel skin adhesives
Xianbo Hu, Pepper Pike, OH (US); and Neal Carty, Chicago, IL (US)
Assigned to Avery Dennison Corporation, Mentor, OH (US)
Filed by Avery Dennison Corporation, Mentor, OH (US)
Filed on Dec. 12, 2022, as Appl. No. 18/064,396.
Application 18/064,396 is a division of application No. 16/346,655, granted, now 11,590,255, previously published as PCT/US2017/061015, filed on Nov. 10, 2017.
Claims priority of provisional application 62/420,611, filed on Nov. 11, 2016.
Prior Publication US 2023/0113217 A1, Apr. 13, 2023
Int. Cl. A61L 15/58 (2006.01); A61L 15/44 (2006.01); A61L 24/00 (2006.01); A61L 24/04 (2006.01); C08K 5/01 (2006.01); C08K 5/103 (2006.01); C08K 5/29 (2006.01); C09J 125/10 (2006.01)
CPC A61L 15/585 (2013.01) [A61L 15/44 (2013.01); A61L 24/0015 (2013.01); A61L 24/043 (2013.01); C08K 5/01 (2013.01); C08K 5/103 (2013.01); C08K 5/29 (2013.01); C09J 125/10 (2013.01); A61L 2300/206 (2013.01)] 13 Claims
 
1. An adhesive assembly comprising:
a medical article having an exterior surface; and
a region of adhesive disposed on the exterior surface of the medical article, the adhesive comprises:
from about 7% to 33% of at least one rubber component,
from about 15% to 45% of at least one tackifier,
from about 15% to 60% of at least one mineral oil,
from about 30% to 40% of at least one absorbent,
at least one additive selected from the group consisting of a natural clay, a synthetic clay, micro fibers, nano fibers, fibrils of fibers, an antioxidant, a stabilizer, and combinations thereof, and
optionally, at least one active ingredient, and
wherein the adhesive exhibits a soft, gel-like consistency and is repositionable on skin;
wherein the ratio of the amount of the tackifier to the amount of the rubber component ranges from 1:1 to 2.4:1; and
wherein the ratio of the amount of the oil to the amount of the rubber component ranges from 1.3:1 to 2.6:1.