Xiongwei David He,Stefaan Jaak Vanquickenborne,Jonathan Leonard Cape,Dwayne Thomas Friesen
申请号：
US16318652
公开号：
US20190240160A1
申请日:
2017.07.20
申请国别(地区):
US
年份:
2019
代理人:
摘要：
An acid resistant capsule comprises at least one hard capsule shell, said shell comprising: an enteric polymer having acid groups； a film-forming aid； and an alkaline material, wherein said alkaline material is present in an amount such that said carboxylic acid groups of said enteric polymer have a degree of ionization of less than 15%.
