Invention Grant
- Patent Title: Alpha hydroxy acid sustained release formulation
- Patent Title (中): α-羟基酸缓释制剂
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Application No.: US11490896Application Date: 2006-07-21
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Publication No.: US08715700B2Publication Date: 2014-05-06
- Inventor: Yunik Chang , Nayan Desai
- Applicant: Yunik Chang , Nayan Desai
- Applicant Address: US CA Petaluma
- Assignee: Dow Pharmaceutical Sciences, Inc.
- Current Assignee: Dow Pharmaceutical Sciences, Inc.
- Current Assignee Address: US CA Petaluma
- Agency: Kilpatrick Townsend & Stockton LLP
- Main IPC: A61K8/02
- IPC: A61K8/02 ; C12P7/40
Abstract:
An oil-in-water emulsion containing one or more alpha hydroxy acids in which the oil phase of the emulsion contains a high proportion of polar constituents. The emulsion, even at high concentrations of alpha hydroxy acid, is not irritating when applied to the skin.
Public/Granted literature
- US20080020005A1 Alpha hydroxy acid sustained release formulation Public/Granted day:2008-01-24
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