William Shifeng WEI,Yiping WANG,Jianzhen PAN,Sung Hi JO
申请号：
US14941390
公开号：
US20160067266A1
申请日:
2015.11.13
申请国别(地区):
US
年份:
2016
代理人:
摘要：
A storage stable ointment of the present invention comprises a vitamin D compound, a corticosteroid, and an N,N-di(C1-C8) alkylamino substituted, (C4-C18) alkyl (C2-C18) carboxylic ester a (C1-C4)-alkyl (C8-C22) carboxylic ester in a petrolatum ointment base, and optionally containing mineral oil and/or tocopherol. Preferably, the vitamin D compound is calcipotriene, the corticosteroid is selected from the group consisting of clobetasol propionate and betamethasone dipropionate, and the N,N-di(C1-C8) alkylamino substituted, (C4-C18) alkyl (C2-C18) carboxylic ester comprises dodecyl 2-(N,N-dimethylamino)-propionate (DDAIP).
