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US 12,109,319 B2Granted
Rubber-based soft gel skin adhesives
AssigneeAvery Dennison Corporation
InventorsXianbo Hu, Neal Carty
Life of this patent
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Abstract
Adhesives comprising rubber, tackifier, oil, and optionally absorbent and active ingredient are described. The adhesives are suitable for medical applications as they are repositionable on skin. Also described are medical articles using the adhesives.
Claims13
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.
10 more elements
Dependencies are inferred from the claim text.