Dapsone-containing gel preparation and preparation method thereof
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- BEIJING VENTUREPHARM BIOTECH
- Publication Date
- 2017-01-04
- Estimated Expiration
- Not applicable · inactive patent
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Abstract
Description
technical field
[0001] The invention belongs to the technical field of pharmaceutical gel preparations, and in particular relates to a preparation method of a dapsone gel preparation with more stable quality and capable of removing deep infection. Background technique
[0002] Dapsone, its chemical name is: 4,4'-sulfonyl dianiline, the English name is Dapsone, and its molecular formula is C 11 h 12 N 2 o 2 S, the molecular weight is 248.31. Its chemical structure is as follows:
[0003]
[0004] Dapsone Gel was developed by Allergan, of which the 5% specification was approved by the US FDA in 2006, and the 7.5% specification was approved by the US FDA in 2016 for the treatment of acne vulgaris. It can effectively clear up acne, and Side effects such as skin redness and dryness are mild.
[0005] ACZONE ® (ACZONE ® It is the product name of this product. It is not yet on the market in China, so there is no Chinese name. The following are ACZONE ® Indicates the tra...