Last Updated: July 12, 2026

Claims for Patent: 10,588,893

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Summary for Patent: 10,588,893

Title:	Ointment containing an oxazole compound
Abstract:	An ointment is provided. The ointment stably comprises an oxazole compound that has specific inhibitory activity against PDE4 and that is represented by the following formula (11). The ointment can be efficiently absorbed into the skin.
Inventor(s):	Yoshihiro Murakami, Hitoshi Matsushita, Kengo Matsumoto, Minoru Okada, Yohei Yuki, Noriyuki Koyama, Naohiko KANAI
Assignee:	Otsuka Pharmaceutical Co Ltd
Application Number:	US16/064,618
Patent Claims:	1. An ointment comprising an oxazole compound represented by the following formula (11): and a base component, wherein the base component comprises a solvent for dissolving the oxazole compound in the solvent and an ointment base for dispersing or dissolving the solvent in the ointment base, the oxazole compound is dissolved in the solvent for dissolving the oxazole compound, and the solvent for dissolving the oxazole compound is at least one member selected from the group consisting of ethylene carbonate, propylene carbonate, benzyl alcohol, and triacetin. 2. The ointment according to claim 1, wherein the solvent for dissolving the oxazole compound is selected from the group consisting of (i) only ethylene carbonate, (ii) only propylene carbonate, (iii) ethylene carbonate with benzyl alcohol and/or triacetin, or (iv) propylene carbonate with benzyl alcohol and/or triacetin. 3. The ointment according to claim 1, wherein the base component comprises more than 2 parts by weight and 30 parts by weight or less of the solvent for dissolving the oxazole compound in the solvent, per part by weight of the oxazole compound, and 5 to 5000 parts by weight of the ointment base for dispersing or dissolving the solvent in the ointment base, per part by weight of the oxazole compound. 4. The ointment according to claim 1, wherein the ointment base comprises a hydrocarbon. 5. The ointment according to claim 1, wherein the ointment base is an ointment base for dispersing the solvent in the ointment base, and the solvent in the form of droplets, in which the oxazole compound is dissolved, is dispersed in the ointment base. 6. The ointment according to claim 1, wherein the ointment base comprises at least beeswax. 7. The ointment according to claim 6, wherein the beeswax is not chemically bleached. 8. The ointment according to claim 5, wherein the droplets have a mean particle size of 100 μm or less.

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