US Patent 7592371 External preparation
Patent 7592371 was granted and assigned to MEDRx on September, 2009 by the United States Patent and Trademark Office.
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It is an object of the present invention to provide an external preparation having enhanced transdermal penetration of a mast cell degranulation inhibitor. It is also an object of the present invention to provide a method for improving the photostability of a preparation containing a mast cell degranulation inhibitor. The present invention provides an external preparation containing a mast cell degranulation inhibitor and a topical anesthetic. Further, the method for enhancing the photostability of a preparation containing a mast cell degranulation inhibitor according to the present invention includes adding a topical anesthetic thereto.
US Patent 07592371 External preparation US Patent 7592371 External preparation
US Patent 07592371 External preparation
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