US 2023/0390214 A1 · ADHESIVE PATCH

Abstract

An object is to provide an adhesive patch that is excellent in both percutaneous absorbability of a drug and adhesiveness to the skin. An adhesive patch of the present invention includes a backing and an adhesive layer integrally laminated on one side of the backing, the adhesive layer including a drug, levulinic acid, and an acrylic adhesive including an acrylic polymer (A) containing a vinyl-based monomer (I) moiety having a solubility parameter of 9 (cal/cm3)1/2 or more. According to the present invention, it is possible to provide an adhesive patch that is excellent in both percutaneous absorbability of a drug and adhesiveness to the skin.

Claims9

Dependent claims

An adhesive patch comprising:

a backing;
and an adhesive layer integrally laminated on one side of the backing,
the adhesive layer including a drug, levulinic acid, and an acrylic adhesive including an acrylic polymer (A) containing a vinyl-based monomer (I) moiety having a solubility parameter of 9 (cal/cm3)2 or more.

Dependencies are inferred from the claim text.

Facts

Application

18/021,933Filed 18 Aug 2021

Priority

JP 2020-13895819 Aug 2020

Published

7 Dec 2023

Term ends

Not estimatedThe source records don’t support an estimate.

Classification12 codes

A61K 9/7061
Obtained by reactions only involving carbon to carbon unsaturated bonds, e.g. polyvinyl, polyisobutylene, polystyrene: polyacrylates
A61K 31/16
Medicinal preparations containing organic active ingredients: amides, e.g. hydroxamic acids
A61K 31/165
Amides, e.g. hydroxamic acids: having aromatic rings, e.g. colchicine, atenolol, progabide
A61K 31/381
Having sulfur as a ring hetero atom: having five-membered rings

Adhesive patch

Life of this patent

Adhesive patch

Life of this patent

Abstract

Claims9